Browse Equation problems Studdy Solved!

Problem 13201

Calculate $14.5 \times 8.208$ and round to the correct number of significant figures.

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Problem 13202

A number divided by 40 gives a quotient of 6 and a remainder of 15. Find the number.

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Problem 13203

Kim made $1 \frac{1}{4}$ quarts of smoothie, drank $\frac{1}{5}$ of it, and her brothers had $\frac{1}{3}$ quart each. How many brothers?

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Problem 13204

Find $z$ in the equation $-z + 7 = 6$ . What is the value of $z$ ?

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Problem 13205

Find $b$ in the equation: $43 - \frac{b}{3} = 59$ .

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Problem 13206

Solve for $x$ in the equation: $2x + 5 = 11$ . What is the value of $x$ ?

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Problem 13207

Find the number of days when the cost of renting a truck from Company A ( $40d$ ) equals Company B ( $60 + 40d$ ). Show your work.

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Problem 13208

Find $b$ in the equation: $44 = -11b + 33$ .

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Problem 13209

Which equations equal $4(2+10)$ ? Choose all that apply: (1) $6+46$ , (ii) $6+6c$ , (c) $8 \times 40$ , (11) $8+40$ , (1) $(4 \times 2)+(4 \times 16)$ , (1) $(4 \times 2) \times(4 \times 10)$ .

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Problem 13210

Solve for $v$ : $v^{2}+10 v+25=0$ . If multiple solutions, list them; if none, say "No solution." $v=$

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Problem 13211

Find $b$ in the equation: $-76 = -3b - 49$ .

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Problem 13212

Mara's golf ball traveled 492 feet, three times Lori's distance. How far did Lori's ball travel?

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Problem 13213

Solve for x: 4(2x - 4) - 5x + 4 = -30

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Problem 13214

Note: Figure not drawn to scale. In the figure, lines $m$ and $n$ are parallel. If $x=6 k+13$ and $y=8 k-29$ , what is the valu of $z$ ?

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Problem 13215

Rewrite the following fractions as partial fractions using the given formats. (a) $\frac{x-1}{x^{2}+3 x-28}=\frac{A_{1}}{F_{1}(x)}+\frac{A_{2}}{F_{2}(x)}$ where $A_{1}$ and $A_{2}$ represent constants. $\begin{array}{l} F_{1}(x)= \\ F_{2}(x)= \end{array}$

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Problem 13216

$\tan \theta = \sin^2 \theta \tan \theta + \frac{\sin^2 \theta}{\tan \theta}$

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Problem 13217

竣, What type of solutions does this equation have? $v^{2}-11=-11$
䯚 two imaginary solutions no solutions two real solutions one real solution Submit

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Problem 13218

A rectangular bird feeder costs $\$ 18.00$ . A cylindrical bird feeder costs $\$ 24.00$ . The expected cost to keep the rectangular bird feeder filled is $\$ 3.00$ per week. The expected cost to keep the cylindrical bird feeder filled is $\$ 2.00$ per week. The equation models the break-even point. $18+3 x=24+2 x$
What does $x$ represent? the total cost to fill the rectangular bird feeder the total cost to fill the cylindrical bird feeder after the number of weeks the after any number of weeks any number of weeks bird feeders are filled $Y$ the number of bird feeders purchased each week

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Problem 13219

Ali sedang merenovasi rumahnya. la membeli 5 buah paralon berdiamater sama di sebuah toko bangunan. Paralon tersebut diangkut menggunakan mobil pick up. Agar menghemat tempat, paralon-paralon tersebut diikat menggunakan sebuah tali pada pangkal dan ujung paralon (seperti tampak pada gambar). Jika Panjang tali minimal yang diperlukan untuk mengikat 5 paralon tersebut $325,6 \mathrm{~cm}$ , maka panjang diameter tiap paralon adalah....

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Problem 13220

㸚, Solve for $k$ . $11 k^{2}-5 k=0$ (xi. Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas. $k=$ Submit

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Problem 13221

2 Chelsea spent the same amount of time writing in a journal every day for 14 days. She wrote in the journal for a total of 3.5 hours, as shown in the diagram below.
How much time did Chelsea spend writing in the journal each day? (F) 2.5 h (H) 0.37 h (G) 0.24 h (3) 0.25 h

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Problem 13222

11 B I U A Name:
Exponential Growth/ Exponential Decay Date: $\qquad$ Period: $\qquad$ d. In how many days total will the video stop being a fan favorite?
The typical student loan has an interest rate of approximately $5 \%$ . This means a $\$ 20,000$ loan paid off over 10 years will end up costing you $\$ 28,900$
The New Jersey Volleyball Association invited 64 teams to compete in a tournament. After each round, half of the teams were eliminated. Create an equation that represents the number of teams, $t$ , that remained in the tournament after r rounds. I

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Problem 13223

The equation $-7(w-3)=70$ is solved in several steps below. For each step, choose the reason that best justifies it. \begin{tabular}{|c|l|} \hline Step & Reason \\ \hline $-7(w-3)=70$ & Given equation \\ \hline $\frac{-7(w-3)}{-7}=\frac{70}{-7}$ & "Choose one" \\ \hline $w-3=-10$ & "Choose one" \\ \hline $w-3+3=-10+3$ & \begin{tabular}{l} Sddition Property of Equality \\ Subtraction Property of Equality \\ Multiplication Property of Equality \\ Division Property of Equality \\ Simplifying \end{tabular} \\ \hline & \begin{tabular}{l} Distributive Property \end{tabular} \\ \hline \end{tabular}

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Problem 13224

Express the following equations in logarithmic form: (a) $5^{2}=25$ is equivalent to the logarithmic equation: $\square$ (b) $10^{-3}=0.001$ is equivalent to the logarithmic equation: $\square$

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Problem 13225

The equation $-7(w-3)=70$ is solved in several steps below. For each step, choose the reason that best justifies it. \begin{tabular}{|c|l|} \hline Step & Reason \\ \hline $-7(w-3)=70$ & Given equation \\ \hline $\frac{-7(w-3)}{-7}=\frac{70}{-7}$ & "Choose one" \\ \hline $w-3=-10$ & "Choose one" \\ \hline $w-3+3=-10+3$ & "Choose one" \\ \hline $w=-7$ & "Choose one" \\ \hline \end{tabular}

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Problem 13226

Hemisphere
7. Find the volume of the umbrella if its radius is 2.1 ft .
8. Find the volume of the umbrella if its diameter is 48 in .

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Problem 13227

Jack is a great chess player. He wins $76 \%$ of the games. He is scheduled to play 120 games this year. What is the expected number of games that he will lose?

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Problem 13228

Calc7b72e 10 pts possible ermine the integral $I=\int 4 x e^{4+x^{2}} d x$
1. $I=-2 e^{1+x^{2}}+C$
2. $I=4 e^{4+x^{2}}+C$
3. $I=-4 e^{1+x^{2}}+C$
4. $I=2 e^{1+x^{2}}+C$
5. $I=-2 e^{4+x^{2}}+C$
6. $I=2 e^{4+x^{2}}+C$

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Problem 13229

"ints A. Assessmentic 1 For a school celebration, Principal Johnson purchased a large sheet cake that was cut into 100 pieces. She kept 8 pieces for the office staff and divided the remaining pieces equally among the 4 fifth-grade classes. The shaded diagram below shows the part of the cake that was given to the classes.
Which equation shows the part of the cake each class received? (A) $100 \div 4=25$ (B) $0.92 \div 4=0.23$ (c) $0.08 \div 4=0.02$ (D) $0.92 \div 4=23$

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Problem 13230

Solve the equation on the interval $0 \leq \theta<2 \pi$ . $(\cot \theta-1)(\csc \theta-1)=0$
Select the correct choice below and fill in any answer boxes in your choice. A. The solution set is $\square$ \}. (Simplify your answer. Type an exact answer, using $\pi$ as needed. Type your answer i any numbers in the expression. Use a comma to separate answers as needed.) B. There is no solution on this interval.

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Problem 13231

Find the slope and the $y$ -intercept of the line. $y=5 x-4$ slope:
Undefined y-intercept: $\square$

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Problem 13232

10. If $\sec \theta=2$ and $0 \leq \theta \leq 2 \pi$ , determine the exact value(s) of $\csc \theta$ . Include a diagram.
11. If $\sin \theta=-1$ and $\pi \leq \theta \leq 2 \pi$ , determine the exact value(s) of $\cos \theta$ and $\cot \theta$ . Include a diagram.
12. If $\cos \theta=-\frac{3}{5}$ and $\sin \theta<0$ , determine the exact value(s) of $\csc \theta$ . Include a diagram.
13. Solve for $\theta$ given $\tan \theta=-\sqrt{3}$ for $-2 \pi \leq \theta \leq 2 \pi$
14. Solve for $\theta$ given $\cot \theta=5$ for $-\pi \leq \theta \leq \pi$

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Problem 13233

Good credit: The Fair Isaac Corporation (FICO) credit score is used by banks and other lenders to determine whether someone is a good credit risk. Scores range from 300 to 850 , with a score of 720 or more indicating that a person is a very good credit risk. An economist wants to determine whether the mean FICO score is lower than the cutoff of 720 . She finds that a random sample of 55 people had a mean FICO score of 685 with a standard deviation of 80 . Can the economist conclude that the mean FICO score is less than 720 ? Use the $\alpha=0.10$ level of significance and the $P$ -value method with the TI-84 Plus calculator.
Part: $0 / 5$ $\square$
Part 1 of 5 (a) State the appropriate null and alternate hypotheses. $\begin{array}{l} H_{0}: \square \\ H_{1}: \square \end{array}$
This hypothesis test is a $\square$ (Choose one) test. $\square$ Skip Part Check Save For Later Submit Assignment

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Problem 13234

Learn with an sample warch a vides
Helen made a scale drawing of an office building. A desk, which is 6 feet long in real life, is 2 inches long in the drawing. What scale did Helen use for the drawing?
1 inch : $\square$ feet
Subrit

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Problem 13235

The population of deer in South Bend, Tennessee is being monitored for research purposes. There were 56 deer tagged initially in January 2023. Researchers found the deer growing at a monthly rate of $3.5 \%$ , which can be represented by the model: $y=56 e^{.035 t}$ . Following this trend, how many months did it take for the deer population to reach 103. Round up.

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Problem 13236

En la siguiente figura, $m \angle M K J=137^{\circ}$ . (a) Escribir una ecuación para hallar x. Asegurarse de utilizar un signo de "=" en su respuesta.
Ecuación: $\square$ (b) Resolver para $x$ . $\square$ $x=$

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Problem 13237

Solve the quadratic equation by completing the square: $t^{2}-10 t-20=19$ The solutions are: $t=$ $\square$ Question Help: Message instructor Calculator

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Problem 13238

Solve for $x$ . $\log _{x} 100=2$
Simplify your answer as much as possible. $x=$ $\square$ $\log$ $\log _{\square} \square$
No solution

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Problem 13239

If $m \angle B=m \angle D=46$ , find $m \angle C$ so that quadrilateral $A B C D$ is a parallelogram. The diagram is not to scale.
Select one: a. 46 b. 92 C. 134 d. 268

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Problem 13240

$10^{1} \times 49.32=$

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Problem 13241

Lola drew a scale drawing of a city park. The soccer field is 232 millimeters long in the drawing. The actual field is 116 meters long. What is the scale of the drawing?
2 millimeters : $\square$ meters Submit

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Problem 13242

Utilizar la figura para hallar el valor de $x$ . (a) Escribir una ecuación para hallar $x$ . Asegúrese de utilizar un signo de " $=$ " en la respuesta.
Ecuación: $\square$ $\square$ (b) Resolver para $x$ . $x=1$ $\square$

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Problem 13243

a) What does the differential equation $y^{\prime}(x)=-7 * y(x)$ tell us about the graph of $y$ against $x$ (the conventional way to plot $x$ and $y$ )? (Clear my choice) The slope of $y$ against $x$ is always -7 times the $y$ -coordinate. The slope of $y$ against $x$ is always -7 times the $x$ -coordinate. The rate of change of $x$ is always -7 times the $x$ -coordinate. The slope of $y$ against $x$ is always -7 The slope of $y$ against $x$ is always $-1 / 7$ times the $y$ -coordinate.

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Problem 13244

En la figura, $m \angle 1=(8 x)^{\circ}$ y $m \angle 2=(x-9)^{\circ}$ . (a) Escribir una ecuación para hallar $x$ . Usar el signo de " = " en la respuesta.
Ecuación: $\square$ (b) Calcular la medida en grados de cada ángulo. $\begin{array}{l} m \angle 1=\square^{\circ} \\ m \angle 2=\square^{\circ} \end{array}$

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Problem 13245

Moneysaver's Bank offers a savings account that earns $5 \%$ interest per year, compounded continuously. If Michael deposits $\$ 2600$ , how much will he have in the account after seven years, assuming he makes no withdrawals?
Do not round any intermediate computations, and round your answer to the nearest cent. \ $【I$ \square$

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Problem 13246

The point $\left(5 \frac{5}{8}, 2 \frac{1}{4}\right)$ lies on the graph of a linear function that represents a proportional relationship. Part A Write an equation for this function. What is the slope?

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Problem 13247

Boyle's Law involves the pressure and volume of gas in a container. It can be represented by the formula $P_{1} V_{1}=P_{2} V_{2}$ . When the formula is solved for $P_{2}$ , the result is 1) $P_{1} V_{1} V_{2}$ 2) $\frac{V_{2}}{P_{1} V_{1}}$ 3) $\frac{P_{1} V_{1}}{V_{2}}$ 4) $\frac{P_{1} V_{2}}{V_{1}}$

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Problem 13248

When solving for the value of $x$ in the equation $4(x-1)+3=18$ , Aaron wrote the following lines on the boarc [line 1] $4(x-1)+3=18$ [line 2] $4(x-1)=15$ [line 3] $4 x-1=15$ [line 4] $4 x=16$ [line 5] $x=4$
Which property was used incorrectly when going from line 2 to line 3 ? 1) distributive 3) associative 2) commutative 4) multiplicative inverse

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Problem 13249

17) $(9 i)-(-6 i+10)=$ 18) $(12 i+8)+(-7 i)=$ 19) $(13 i)-(17+3 i)=$ 20) $(3+5 i)+(8+3 i)=$ 21) $(8-3 i)+(4+i)=$ 22) $(10+9 i)+(6+8 i)=$

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Problem 13250

Suppose the amount of a certain radioactive substance in a sample decays from 5.20 mg to 1.90 mg over a period of 6.21 minutes. Calculate the half life of the substance.
Round your answer to 2 significant digits. $\square$ $\square$ $\times 10$

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Problem 13251

- Student A drives a car and hits other causes a loss of \ $12,000 - The insurance features are as follwing. - 1.If driver hits others on purpose, no payment. - 2. Otherwises, the maximum is$ \ $9,000$ - 3. The customer should pay $\$ 1,200$ from their own pocket. - 4. The copayment rate is $16 \%$ . - How much can A claim from insurance company?

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Problem 13252

Kala-needs $\$ 8346$ for a future project. She can invest $\$ 6000$ now at an annual rate of $3.4 \%$ , compounded quarterly. Assuming that no withdrawals are made, how long will it take for her to have enough money for her project?
Do not round any intermediate computations, and round your answer to the nearest hundredth. $\square$ years

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Problem 13253

Find the solution of the exponential equation $13 e^{x}-19=12$ The exact solution, in terms of the natural logarithm is: $x=$ $\square$ The approximate solution, accurate to 4 decimal places is: $x=$ $\square$

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Problem 13254

Indium-116 is radioactive and has a half life of 14.10 seconds. What percentage of a sample would be left after 48.7 seconds? Round your answer to 2 significant digits.
形 $\%$ $\square$ $\times 10$

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Problem 13255

Solve for $x$ : $\begin{array}{l} \log (x)+\log (x+5)=4 \\ x= \end{array}$
You may enter the exact value or round to 4 decimal places.

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Problem 13256

1. You can write an equation to solve comparison problems. An equation is a number sentence that uses the equal sign ( $=$ ) to show that two expressions have the same value. Phrases, such as times as many as or more than, can be used to compare quantities.
Compare with Multiplication There are 6toys and 3 times as many books. How many books, $b$ , are there?
Compare with Addition There are 6 toys. There are 12 more books than toys. How many books are there? $b=3 \times 6$ $b=6+12$ $b=$ $\qquad$ books $b=$ $\qquad$ books

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Problem 13257

Find the volume $V$ of the described solid $S$ . a right circular cone with height $4 h$ and base radius $2 r$

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Problem 13258

7. Power lines 12 m from the ground carry $4.50 \times 10^{3} \mathrm{~A}$ of current across a farmer's field. What magnetic field strength do the cattle directly underneath experience? ( 3 marks)

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Problem 13259

17) $-7 n^{2}+16 n=8 n$

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Problem 13260

Part 2: \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline \end{tabular}
1. If the entire grid has a value of $\$ 100$ , what is the value of each small square in the grid?
2. If the entire grid has a value of $\$ 100$ , what is the value of 10 small squares in the grid?
3. If the entire grid has a value of $\$ 200$ , what is the value of each small square in the grid?
4. If the entire grid has a value of $\$ 200$ , what is the value of 10 small squares in the grid?
5. If the entire grid has a value of $\$ 80$ , what is the value of each small square in the grid?
6. If the entire grid has a value of $\$ 80$ , what is the value of 10 small squares in the grid?
7. If the entire grid has a value of $\$ 120$ , what is the value of each small square in the grid?
8. If the entire grid has a value of $\$ 120$ , what is the value of 10 small squares in the grid?
9. If the entire grid has a value of $\$ 24$ , what is the value of each small square in the grid?
10. If the entire grid has a value of $\$ 24$ , what is the value of 10 small squares in the grid? 6WB2 - 10 e2014 University of Utah Middle School Math Project in partnenthip with

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Problem 13261

Find the equation of the exponential function represented by the table below \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 0 & 5 \\ \hline 1 & 2.5 \\ \hline 2 & 1.25 \\ \hline 3 & 0.625 \\ \hline \end{tabular}
Answer Attempt 1 out of 2

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Problem 13262

CL 3-113. Two brothers, Martin and Horace, are in their backyard. Horace is taking down a brick wall on one side of the yard while Martin is building a brick wall on the other side. Martin lays 2 bricks every minute. Meanwhile, Horace takes down 3 bricks each minute from his wall. They both start working at the same time. It takes Horace 55 minutes to finish tearing down his wall. a. How many bricks were originally in the wall that Horace started tearing down? b. Represent this situation with equations, tables, and a graph. c. When did the two walls have the same number of bricks?

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Problem 13263

Solve for $x$ in the triangle. Round your answer to the nearest tenth. $x=$

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Problem 13264

Exponential and Logarithmic Functions Finding the time in a word problem on compound interest
Suppose that $\$ 2000$ is placed in a savings account at an annual rate of $10.8 \%$ , compounded monthly. Assuming that no withdrawals are made, how long will it take for the account to grow to $\$ 3130$ ?
Do not round any intermediate computations, and round your answer to the nearest hundredth. $\square$ years

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Problem 13265

10. A car experiences a centripetal acceleration of $4.4 \mathrm{~m} / \mathrm{s}^{2}$ as it rounds a corner with a speed of $15 \mathrm{~m} / \mathrm{s}$ . What is the radius of the corner? (51.12m)

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Problem 13266

1. If 1 small square has a value of $\$ 0.3$ , what is the value of the entire grid?

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Problem 13267

f the Millers spend $\$ 1000$ on housing each month, hen what is their total monthly budget? $\square$

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Problem 13268

7. The area of the trapezoid is 40 square millimeters. a. Find two possible values for each base length. b. Is it possible for $b_{2}$ to equal 9 millimeters? Explain.

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Problem 13269

Solve. $\sqrt{x}=7$
Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. $x=$ $\square$ (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. The solution set is the empty set.

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Problem 13270

The number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model, at a relative rate of $16 \%$ per hour. Suppose that a sample culture has an initial population of 268 bacteria. Find the population predicted after three hours, according to the model.
Do not round any intermediate computations, and round your answer to the nearest tenth. $\square$ bacteria

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Problem 13271

Question 6 (1 point) Solve $\sqrt{3} \csc x+2=0$ on the interval $x \in[0,2 \pi]$ , to the nearest hundredth of a radian. a) $x \doteq 1.05, x \doteq 2.09$ b) $x \doteq 4.19, x \doteq 5.24$ C) $x=60, x=120$ d) $x=240, x=300$

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Problem 13272

an wof find What is the ?
16. Stancha diganith Ste has 28 magness Sne amanges the magness impo 4 equal couss wite an equarion using a lener to $=$ equesent the urkioum value to find how thand magness are in each rour.

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Problem 13273

e for $x$ : $625^{2 x-4}=125^{3 x-2}$

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Problem 13274

Question Watch
Solve for x : $6^{3 x-4}=1296^{-4}$
Answer Attempt 1 out of 2

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Problem 13275

One can convert temperature from Kelvin into Fahrenheit using the formula $F=\frac{9}{5}(K-273)+32$ . What is the temperature in Kelvin corresponding to $F$ degrees Fahrenheit? A. $\frac{9}{5}(F-273)-32$ B. $\frac{5}{9}(F-32)+273$ C. $\frac{9}{5}(F-32)+273$ D. $\frac{5}{9}(F-32)-273$

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Problem 13276

1. Détermine l'équation du lieu du point $P$ dont la somme des distances aux points $K(-11,4)$ et $L(7,4)$ est égale à 30 unités. $\qquad$

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Problem 13277

Question
Solve for x : $64^{3 x+3}=4^{3 x-3}$
Answer Attempt 1 out of 2

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Problem 13278

Question 13 (1 point) Solve $2 \sin x+1=0$ on the interval $x \in[0,2 \pi]$ , to the nearest hundredth of a radian. a) $x=210, x=330$ b) $x \doteq 0.52, x \doteq 2.62$ C) $x=30, x=150$ d) $x \doteq 3.67, x \doteq 5.76$

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Problem 13279

Tell which property of equality was used. $\begin{aligned} 53 & =\frac{318}{w} \\ 53 \times 61 & =\left(\frac{318}{w}\right) \times 61 \end{aligned}$
Choose the correct answer below. Multiplication Property of Equality Subtraction Property of Equality Addition Property of Equality Division Property of Equality

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Problem 13280

Calculating equilibrium concentrations when the net reaction proceeds in reverse Consider mixture C, which will cause the net reaction to proceed in reverse. \begin{tabular}{lllll} & & $\leftarrow$ net & & \\ Concentration $(M)$ & { $[\mathrm{XY}]$ } & $\rightleftharpoons$ & { $[\mathrm{X}]$ } & { $[\mathrm{Y}]$ } \\ initial: & 0.200 & & 0.300 & 0.300 \\ change: $\lessgtr$ & $+x$ & & $-x$ & $-x$ \\ equilibrium: & $0.200+x$ & & $0.300-x$ & $0.300-x$ \end{tabular}
The change in concentration, $x$ , is positive for the reactants because they are produced and negative for the products because they are consumed.
Part C
Based on a $K_{\mathrm{c}}$ value of 0.130 and the data table given, what are the equilibrium concentrations of $\mathrm{XY}, \mathrm{X}$ , and Y , respectively? Express the molar concentrations numerically. View Available Hint(s) $\begin{array}{l} \sqrt[\square]{\square} A \Sigma \phi \\ {[\mathrm{XY}],[\mathrm{X}],[\mathrm{Y}]=} \\ \text { M } \end{array}$ ? Submit

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Problem 13281

Review Constants Pe
MISSED THIS? Watch KCV 15.8, IWE 15.9; Read Section 15.8. You can click on the Review link to access the section in your eText.
For the following reaction, $K_{\mathrm{c}}=255$ at 1000 K . $\mathrm{CO}(\mathrm{g})+\mathrm{Cl}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{COCl}_{2}(\mathrm{~g})$ A reaction mixture initially contains a CO concentration of 0.1530 M and a $\mathrm{Cl}_{2}$ concentration of $0.172 M$ at 1000 K .
What is the equilibrium concentration of CO at 1000 K ? Express your answer in molarity to three significant figures. View Available Hint(s) $\square$ Submit
Part B
What is the equilibrium concentration of $\mathrm{Cl}_{2}$ at 1000 K ? Express your answer in molarity to three significant figures. View Available Hint(s) $\square$ Submit

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Problem 13282

Review Constants
What is the equilibrium concentration of CO at 1000 K ? Express your answer in molarity to three significant figures.
MISSED THIS? Watch KCV 15.8, IWE 15.9; Read Section 15.8. You can click on the Review link to access the section in your eText.
For the following reaction, $K_{\mathrm{c}}=255$ at 1000 K . $\mathrm{CO}(\mathrm{g})+\mathrm{Cl}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{COCl}_{2}(\mathrm{~g})$ A reaction mixture initially contains a CO concentration of 0.1530 M and a $\mathrm{Cl}_{2}$ concentration of 0.172 M at 1000 K .

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Problem 13283

Katherin deposits \$75,000 in a 3-year CD account that yields 3.5\% interest, compounded weekly. What is the amount of his interest, to the nearest cent, at the end of 3 years?

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Problem 13284

14. Through $(5,7)$ and $(-1,3)$

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Problem 13285

Jo has 27 stickers and 6 model cars. She puts the same number of stickers on each car, and she uses as many stickers as she can. How many stickers does Jo put on each car? How many stickers are left?
Does Jo have enough stickers to put 2 stickers on each car?

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Problem 13286

Figure 7. Typical WWTP energy consumers Source: Malcolm Pirnie, the Water Division of ARCADIS https://www.nrel.gov/docs/fy12osti/53341.pdf (Note: Other is the 1\%.) A wastewater treatment plant used 327 KWh of electricity per day. How many KWh do they use for Pumps? $\square$

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Problem 13287

5 pts
Question 4
Daniah deposits $\$ 4,000$ in a savings account at New York State Bank that pays $5.4 \%$ interest, compounded monthly. What is the amount of interest at the end of the year?

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Problem 13288

A sinusoidal wave is traveling on a string with speed $107 \mathrm{~cm} / \mathrm{s}$ . The displacement of the particles of the string at $x=16 \mathrm{~cm}$ is found to vary with time according to the equation $y=(1 \mathrm{~cm}) \sin \left[0.84-\left(5.6 \mathrm{~s}^{-1}\right) t\right]$
The linear density of the string is $1.8 \mathrm{~g} / \mathrm{cm}$ . What are (a) the frequency and (b) the wavelength of the wave? If the wave equation is of the form $y(x, t)=y_{m} \sin (k x-\omega t),$ what are (c) $y_{m}$ , (d) $k$ , and (e) $\omega$ , and (f) the correct choice of sign in front of $\omega$ ? (g) What is the tension in the string?

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Problem 13289

2. Critical Thinking:
Rhoda is saving up money for a down payment on a condominium. She currently has $\$ 2571$ but knows she can get a loan at a lower interest rate if she can put down $\$ 3308$ . If she invests the $\$ 2571$ in an account that earns $4.9 \%$ annually, compounded monthly, how long will it take Rhoda to accumulate the $\$ 3308$ ? Round your answer to two decimal places, if necessary.

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Problem 13290

Irlangle - interior Angie
Find $x$ and the unknown interior angles. $\begin{array}{l} x=\square \\ <V= \end{array}$ $\square$ degrees $<W=$ $\square$ degrees

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Problem 13291

5 pts
Daniah deposits $\$ 4,000$ in a savings account at New York State Bank that pays $5.4 \%$ interest, compounded monthly. What is the APY for this account to the nearest hundredth of a percent?

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Problem 13292

Guillermo finished 4 math problems. These problems represent $20 \%$ of the assigned math problems, as shown in the diagram.
What is the total number of math problems Guillermo was assigned? $\square$ problems $\square$

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Problem 13293

In a poll of 510 human resource professionals, $45.9 \%$ said that body piercings and tattoos were big personal grooming red flags. Complete parts (a) through (d) below. a. Among the 510 human resource professionals who were surveyed, how many of them said that body piercings and tattoos were big personal grooming red flags? $\square$ (Round to the nearest integer as needed.) b. Construct a 99\% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big personal grooming red flags. $\square$ $<p<$ $\square$ (Round to three decimal places as needed.) c. Repeat part (b) using a confidence level of $80 \%$ . $\square$ < $<<$ $\square$ (Round to three decimal places as needed.) d. Compare the confidence intervals from parts (b) and (c) and identify the interval that is wider. Why is it wider? proportion. proportion. proportion. proportion.

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Problem 13294

Problem 33 Let $X$ and $Y$ be two random variables. Suppose that $\sigma_{X}^{2}=4$ , and $\sigma_{Y}^{2}=9$ . If we know that the two random variables $Z=2 X-Y$ and $W=X+Y$ are independent, find $\operatorname{Cov}(X, Y)$ and $\rho(X, Y)$ .

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Problem 13295

Two buildings in a sports complex are shaped and positioned like a portion of the branches of the hyperbola $625 x^{2}-225 y^{2}=140,625$ , where $x$ and $y$ are in meters. (a) How far apart are the buildings at their closest point? (b) Find the distance $d$ in the figure. (a) The two buildings are $\square$ meters apart at their closest point. (Type an integer or a decimal.) View an example Get more help Clear all

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Problem 13296

15 one Dicit DivisoRs The teacher worked a total of 68 hours one school week (five days). She worked the same amount of time every day except for Thursday when she worked extra (your remainder). How many hours did she work each day? How many hours did she work Thursday?

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Problem 13297

Jose deposits $\$ 5000$ into an account that pays simple interest at a rate of $5 \%$ per year. How much interest will he be paid in the first 4 years? s! $\square$

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Problem 13298

Find the equation for the parabola that has its focus at the $\left(\frac{5}{4},-3\right)$ and $h$ directrix at $x=\frac{35}{4}$ . equation is $(y+3)^{2}=30(x-9.375)$ Video 1 Video 2 Post to forum

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Problem 13299

Question 24
Suppose that $\$ 6500$ is placed in an account that pays $17 \%$ interest compounded each year. Assume that no withdrawals are made from the account.
Follow the instructions below. Do not do any rounding. (a) Find the amount in the account at the end of 1 year. \\square $(b) Find the amount in the account at the end of 2 years. \$$ \square$

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Problem 13300

Manuel deposit \ $5,300 into a bank account for seven and a half years. He compares two different options. Option 1 will pay$ 6.4 \% $interest, compounded semiannually. Option 2 will pay$ 6.4 \% $interest, compounded continuously. Manuel deposita$ \ $5.300$ dólares en una cuenta bancaria durante siete años y medio. Compara dos opciones diferentes. La opción 1 pagará un interés del $6.4 \%$ , compuesto semestralmente. La opción 2 pagará un interés del $6.4 \%$ , compuesto continuamente.
What is the ending balance of Option 1? ¿Cuál es el saldo final de la Opción 1? $\square$ What is the ending balance of Option 2? ¿Cuál es el saldo final de la Opción 2? $\square$ How much interest does Option 1 pay? ¿Cuánto interés paga la opción 1? $\square$ How much interest does Option 2 pay?

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Equation

Problem 13201

Calculate 14.5×8.20814.5 \times 8.20814.5×8.208 and round to the correct number of significant figures.

Problem 13202

A number divided by 40 gives a quotient of 6 and a remainder of 15. Find the number.

Problem 13203

Kim made 1141 \frac{1}{4}141​ quarts of smoothie, drank 15\frac{1}{5}51​ of it, and her brothers had 13\frac{1}{3}31​ quart each. How many brothers?

Problem 13204

Find zzz in the equation −z+7=6-z + 7 = 6−z+7=6. What is the value of zzz?

Problem 13205

Find bbb in the equation: 43−b3=5943 - \frac{b}{3} = 5943−3b​=59.

Problem 13206

Solve for xxx in the equation: 2x+5=112x + 5 = 112x+5=11. What is the value of xxx?

Problem 13207

Find the number of days when the cost of renting a truck from Company A (40d40d40d) equals Company B (60+40d60 + 40d60+40d). Show your work.

Problem 13208

Find bbb in the equation: 44=−11b+3344 = -11b + 3344=−11b+33.

Problem 13209

Which equations equal 4(2+10)4(2+10)4(2+10)? Choose all that apply: (1) 6+466+466+46, (ii) 6+6c6+6c6+6c, (c) 8×408 \times 408×40, (11) 8+408+408+40, (1) (4×2)+(4×16)(4 \times 2)+(4 \times 16)(4×2)+(4×16), (1) (4×2)×(4×10)(4 \times 2) \times(4 \times 10)(4×2)×(4×10).

Problem 13210

Solve for vvv: v2+10v+25=0v^{2}+10 v+25=0v2+10v+25=0. If multiple solutions, list them; if none, say "No solution." v=v=v=

Problem 13211

Find bbb in the equation: −76=−3b−49-76 = -3b - 49−76=−3b−49.

Problem 13212

Mara's golf ball traveled 492 feet, three times Lori's distance. How far did Lori's ball travel?

Problem 13213

Solve for x: 4(2x - 4) - 5x + 4 = -30

Problem 13214

Note: Figure not drawn to scale. In the figure, lines mmm and nnn are parallel. If x=6k+13x=6 k+13x=6k+13 and y=8k−29y=8 k-29y=8k−29, what is the valu of zzz ?

Problem 13215

Problem 13216

tan⁡θ=sin⁡2θtan⁡θ+sin⁡2θtan⁡θ\tan \theta = \sin^2 \theta \tan \theta + \frac{\sin^2 \theta}{\tan \theta}tanθ=sin2θtanθ+tanθsin2θ​

Problem 13217

竣, What type of solutions does this equation have? v2−11=−11v^{2}-11=-11v2−11=−11䯚 two imaginary solutions no solutions two real solutions one real solution Submit

Problem 13218

Problem 13219

Problem 13220

㸚, Solve for kkk. 11k2−5k=011 k^{2}-5 k=011k2−5k=0 (xi. Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas. k=k=k= Submit

Problem 13221

2 Chelsea spent the same amount of time writing in a journal every day for 14 days. She wrote in the journal for a total of 3.5 hours, as shown in the diagram below.How much time did Chelsea spend writing in the journal each day? (F) 2.5 h (H) 0.37 h (G) 0.24 h (3) 0.25 h

Problem 13222

Problem 13223

Problem 13224

Express the following equations in logarithmic form: (a) 52=255^{2}=2552=25 is equivalent to the logarithmic equation: □\square□ (b) 10−3=0.00110^{-3}=0.00110−3=0.001 is equivalent to the logarithmic equation: □\square□

Problem 13225

Problem 13226

Hemisphere7. Find the volume of the umbrella if its radius is 2.1 ft .8. Find the volume of the umbrella if its diameter is 48 in .

Problem 13227

Jack is a great chess player. He wins 76%76 \%76% of the games. He is scheduled to play 120 games this year. What is the expected number of games that he will lose?

Problem 13228

Problem 13229

Problem 13230

Problem 13231

Find the slope and the yyy-intercept of the line. y=5x−4y=5 x-4y=5x−4 slope: Undefined y-intercept: □\square□

Problem 13232

Problem 13233

Problem 13234

Learn with an sample warch a videsHelen made a scale drawing of an office building. A desk, which is 6 feet long in real life, is 2 inches long in the drawing. What scale did Helen use for the drawing?1 inch : □\square□ feetSubrit

Problem 13235

Problem 13236

En la siguiente figura, m∠MKJ=137∘m \angle M K J=137^{\circ}m∠MKJ=137∘. (a) Escribir una ecuación para hallar x. Asegurarse de utilizar un signo de "=" en su respuesta.Ecuación: □\square□ (b) Resolver para xxx. □\square□ x=x=x=

Problem 13237

Solve the quadratic equation by completing the square: t2−10t−20=19t^{2}-10 t-20=19t2−10t−20=19 The solutions are: t=t=t= □\square□ Question Help: Message instructor Calculator

Problem 13238

Solve for xxx. log⁡x100=2\log _{x} 100=2logx​100=2Simplify your answer as much as possible. x=x=x= □\square□ log⁡\loglog log⁡□□\log _{\square} \squarelog□​□No solution

Problem 13239

If m∠B=m∠D=46m \angle B=m \angle D=46m∠B=m∠D=46, find m∠Cm \angle Cm∠C so that quadrilateral ABCDA B C DABCD is a parallelogram. The diagram is not to scale.Select one: a. 46 b. 92 C. 134 d. 268

Problem 13240

101×49.32=10^{1} \times 49.32=101×49.32=

Problem 13241

Lola drew a scale drawing of a city park. The soccer field is 232 millimeters long in the drawing. The actual field is 116 meters long. What is the scale of the drawing?2 millimeters : □\square□ meters Submit

Problem 13242

Utilizar la figura para hallar el valor de xxx. (a) Escribir una ecuación para hallar xxx. Asegúrese de utilizar un signo de " === " en la respuesta.Ecuación: □\square□ □\square□ (b) Resolver para xxx. x=1x=1x=1 □\square□

Problem 13243

Problem 13244

Problem 13245

Problem 13246

The point (558,214)\left(5 \frac{5}{8}, 2 \frac{1}{4}\right)(585​,241​) lies on the graph of a linear function that represents a proportional relationship. Part A Write an equation for this function. What is the slope?

Problem 13247

Problem 13248

Calculate $14.5 \times 8.208$ and round to the correct number of significant figures.

Kim made $1 \frac{1}{4}$ quarts of smoothie, drank $\frac{1}{5}$ of it, and her brothers had $\frac{1}{3}$ quart each. How many brothers?

Find $z$ in the equation $-z + 7 = 6$ . What is the value of $z$ ?

Find $b$ in the equation: $43 - \frac{b}{3} = 59$ .

Solve for $x$ in the equation: $2x + 5 = 11$ . What is the value of $x$ ?

Find the number of days when the cost of renting a truck from Company A ( $40d$ ) equals Company B ( $60 + 40d$ ). Show your work.

Find $b$ in the equation: $44 = -11b + 33$ .

Which equations equal $4(2+10)$ ? Choose all that apply: (1) $6+46$ , (ii) $6+6c$ , (c) $8 \times 40$ , (11) $8+40$ , (1) $(4 \times 2)+(4 \times 16)$ , (1) $(4 \times 2) \times(4 \times 10)$ .

Solve for $v$ : $v^{2}+10 v+25=0$ . If multiple solutions, list them; if none, say "No solution." $v=$

Find $b$ in the equation: $-76 = -3b - 49$ .

Note: Figure not drawn to scale. In the figure, lines $m$ and $n$ are parallel. If $x=6 k+13$ and $y=8 k-29$ , what is the valu of $z$ ?

$\tan \theta = \sin^2 \theta \tan \theta + \frac{\sin^2 \theta}{\tan \theta}$

竣, What type of solutions does this equation have? $v^{2}-11=-11$
䯚 two imaginary solutions no solutions two real solutions one real solution Submit

㸚, Solve for $k$ . $11 k^{2}-5 k=0$ (xi. Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas. $k=$ Submit

2 Chelsea spent the same amount of time writing in a journal every day for 14 days. She wrote in the journal for a total of 3.5 hours, as shown in the diagram below.
How much time did Chelsea spend writing in the journal each day? (F) 2.5 h (H) 0.37 h (G) 0.24 h (3) 0.25 h

Express the following equations in logarithmic form: (a) $5^{2}=25$ is equivalent to the logarithmic equation: $\square$ (b) $10^{-3}=0.001$ is equivalent to the logarithmic equation: $\square$

Hemisphere
7. Find the volume of the umbrella if its radius is 2.1 ft .
8. Find the volume of the umbrella if its diameter is 48 in .

Jack is a great chess player. He wins $76 \%$ of the games. He is scheduled to play 120 games this year. What is the expected number of games that he will lose?

Find the slope and the $y$ -intercept of the line. $y=5 x-4$ slope:
Undefined y-intercept: $\square$

Learn with an sample warch a vides
Helen made a scale drawing of an office building. A desk, which is 6 feet long in real life, is 2 inches long in the drawing. What scale did Helen use for the drawing?
1 inch : $\square$ feet
Subrit

En la siguiente figura, $m \angle M K J=137^{\circ}$ . (a) Escribir una ecuación para hallar x. Asegurarse de utilizar un signo de "=" en su respuesta.
Ecuación: $\square$ (b) Resolver para $x$ . $\square$ $x=$

Solve the quadratic equation by completing the square: $t^{2}-10 t-20=19$ The solutions are: $t=$ $\square$ Question Help: Message instructor Calculator

Solve for $x$ . $\log _{x} 100=2$
Simplify your answer as much as possible. $x=$ $\square$ $\log$ $\log _{\square} \square$
No solution

If $m \angle B=m \angle D=46$ , find $m \angle C$ so that quadrilateral $A B C D$ is a parallelogram. The diagram is not to scale.
Select one: a. 46 b. 92 C. 134 d. 268

$10^{1} \times 49.32=$

Lola drew a scale drawing of a city park. The soccer field is 232 millimeters long in the drawing. The actual field is 116 meters long. What is the scale of the drawing?
2 millimeters : $\square$ meters Submit

Utilizar la figura para hallar el valor de $x$ . (a) Escribir una ecuación para hallar $x$ . Asegúrese de utilizar un signo de " $=$ " en la respuesta.
Ecuación: $\square$ $\square$ (b) Resolver para $x$ . $x=1$ $\square$

The point $\left(5 \frac{5}{8}, 2 \frac{1}{4}\right)$ lies on the graph of a linear function that represents a proportional relationship. Part A Write an equation for this function. What is the slope?

Suppose the amount of a certain radioactive substance in a sample decays from 5.20 mg to 1.90 mg over a period of 6.21 minutes. Calculate the half life of the substance.
Round your answer to 2 significant digits. $\square$ $\square$ $\times 10$

Find the solution of the exponential equation $13 e^{x}-19=12$ The exact solution, in terms of the natural logarithm is: $x=$ $\square$ The approximate solution, accurate to 4 decimal places is: $x=$ $\square$

Indium-116 is radioactive and has a half life of 14.10 seconds. What percentage of a sample would be left after 48.7 seconds? Round your answer to 2 significant digits.
形 $\%$ $\square$ $\times 10$

Solve for $x$ : $\begin{array}{l} \log (x)+\log (x+5)=4 \\ x= \end{array}$
You may enter the exact value or round to 4 decimal places.

Find the volume $V$ of the described solid $S$ . a right circular cone with height $4 h$ and base radius $2 r$

7. Power lines 12 m from the ground carry $4.50 \times 10^{3} \mathrm{~A}$ of current across a farmer's field. What magnetic field strength do the cattle directly underneath experience? ( 3 marks)

17) $-7 n^{2}+16 n=8 n$

Find the equation of the exponential function represented by the table below \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 0 & 5 \\ \hline 1 & 2.5 \\ \hline 2 & 1.25 \\ \hline 3 & 0.625 \\ \hline \end{tabular}
Answer Attempt 1 out of 2

Solve for $x$ in the triangle. Round your answer to the nearest tenth. $x=$

10. A car experiences a centripetal acceleration of $4.4 \mathrm{~m} / \mathrm{s}^{2}$ as it rounds a corner with a speed of $15 \mathrm{~m} / \mathrm{s}$ . What is the radius of the corner? (51.12m)

1. If 1 small square has a value of $\$ 0.3$ , what is the value of the entire grid?

f the Millers spend $\$ 1000$ on housing each month, hen what is their total monthly budget? $\square$

7. The area of the trapezoid is 40 square millimeters. a. Find two possible values for each base length. b. Is it possible for $b_{2}$ to equal 9 millimeters? Explain.

Solve. $\sqrt{x}=7$
Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. $x=$ $\square$ (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. The solution set is the empty set.

an wof find What is the ?
16. Stancha diganith Ste has 28 magness Sne amanges the magness impo 4 equal couss wite an equarion using a lener to $=$ equesent the urkioum value to find how thand magness are in each rour.

e for $x$ : $625^{2 x-4}=125^{3 x-2}$

Question Watch
Solve for x : $6^{3 x-4}=1296^{-4}$
Answer Attempt 1 out of 2