Find the sum of the pair of complex numbers.
21+65i,65+21i The sum is □ .
(Simplify your answer. Type your answer in the form a + bi. Use integers or fractions for any numbers in the expressic
8-8 Surface Area \& 8-9 Volume Practice
Find the surface area and volume of each prism. When you get your answer. find it in the answer choice at the bottom. All answers will NOT be used. YOU MUST SHOW ALL WORKI Figure
\#4
Check here for instructional material to complete this problem.
Find the approximate slope of the line that contains the points (−3.1,5.9) and (−2.7,2.4). State whether the line is increasing, decreasing, horizontal, or vertical. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The slope is □
(Type an integer or decimal rounded to two decimal places as needed.)
B. The slope is undefined.
Question 1 of 5, Step 1 of 1
Correct Use any convenient method to solve the following system of equations. If the system is dependent, express the solution set in terms of one of the variables. Leave all fractional answers in fraction form.
⎩⎨⎧x+5yy−3z−3x−y+6z===121032 Answer
Keypad
Keyboard Shortcuts Selecting an option will display any text boxes needed to complete your answer.
Only One Solution Inconsistent System
O Dependent System
8. The tape diagram shows the ratio of the hours of work done by you and a friend. Ypeand your frie worked a total of 24 hours. How many hours did you work? You:
\begin{tabular}{|c|c|c|c|}
\hline 4 & 5 & e & ln \\
\hline
\end{tabular} Your friend: □
Find all zeros of the function: k(x)=12x2−23x+5.
The zeros are x=□ Find all zeros of the function: g(x)=x2−3x−18.
The zeros are x=□
Find all zeros of the function: m(x)=2x2−5x−63.
The zeros are x=□
Question Help:
Video
A Exploring Rati...
BOOKMARK
CHECK
ANSWER
AY HOL...
LAY
STOP A notebook costs $4.50 plus sales tax. After sales tax, the notebook is $4.86. What is the sales tax rate?
A mass attached to the end of a spring is set in motion. The mass is observed to oscillate up and down, completing 12 complete cycles every 6.00 s What is the period T of the oscillation?
T=□
s What is the frequency f of the oscillation?
f=□
Hz
Solve the triangle.
a=8,c=2,B=90∘b=□□
(Do not round until the final answer. Then round to the nearest tenth as needed.)
C=□∘
(Do not round until the final answer. Then round to the nearest degree as needed.)
A = □□∘
(Do not round until the final answer. Then round to the nearest degree as needed.)
Solve the system of equations by the substitution method.
y=75x+72y=41x+4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The solution set is □ 3. (Type an ordered pair.)
B. There are infinitely many solutions.
C. There is no solution.
Solve the system of equations by the addition method.
16x−3y4x+2y=−49=−26 Select the correct choice below and fill in any answer boxes present in your choice.
A. The solution set is □ \}. (Simplify your answer. Type an ordered pair.)
B. There are infinitely many solutions.
C. There is no solution.
Question 9
0/1pt
3
19
Detarls The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 300 people entered the park, and the admission fees collected totaled 750 dollars. How many children and how many adults were admitted?
□ children were admitted.
□ adults were admitted.
Submit Question
At least one of the answers above is NOT correct.
(1 point)
A batter hits a baseball. The ball's height (in feet) after t seconds is given by h(t)=−16t2+62t+4.
a) What is the height of the ball when it is hit? The height is □ 4 feet.
b) When will the height be at 20 feet? The ball will be a height of 20 feet in 0.28,3.6□ seconds. If there are two times, enter them separated by a comma. If there is no time, enter "never". Round to two decimal places.
c) When will the ball reach its maximum height? The ball will reach a maximum height in □ 1.94 seconds. Round to two decimal places.
d) What is the ball's maximum height? The ball's maximum height is □ feet. Note: You can earn partial credit on this problem.
Preview My Answers
Submit Answers
Word problem involving the volume of a sphere BeeBright is a company that makes wax candles in the shape of a solid sphere. Suppose each candle has a diameter of 15 cm . If the company uses, on average, 34,325cm3 of wax each hour making candles, how many candles does the company make, on average, each hour? If necessary, refer to the list of geometry formulas.
For your calculations, do not round any intermediate steps, and use the π button on the ALEKS calculator. Round your answer to the nearest hundredth.
candles
Think About the Process Karen purchased a DVD player on sale. The original selling price was $179.30. The sale price was $154.15. What is the first step in finding the percent markdown? Find the percent markdown. What is the first step in finding the percent markdown?
A. Find the markdown.
B. Find the cost.
C. Find the greatest markdown possible. The percent markdown was □ \%. (Round to the nearest whole number as needed.)
y=ax2+bx+c
to model the shape of the arch.
(a) Use the surveyed points to set up a system of linear equations for the
⎩⎨⎧100a+10b+c100225a+15b+c1600a+40b+c=54
(b) Solve the system using Cramer's Rule.
y=−3750
Kaitlin's company makes solid spherical metal balls for various industrial uses. A customer wants copper balls that have a diameter of 3 in. If Kaitlin must make 90 of these balls, how much copper will she need? If necessary, refer to the list of geometry formulas.
For your calculations, do not round any intermediate steps, and use the π button on the ALEKS calculator. Round your answer to the nearest hundredth.
□3
Kevin's company makes solid spherical balls out of scrap metal for various industrial uses. A large order just came in to make copper balls with a radius of 3 in. If Kevin uses, on average, 33,912 in 3 of copper each day making these balls, how many balls does he make, on average, each day?
If necessary, refer to the list of geometry formulas.
For your calculations, do not round any intermediate steps, and use the π button on the ALEKS calculator. Round your answer to the nearest hundredth.
□ balls
Next question
Get a similar question You can retry this question oetow The population of a country was 119 million in 1982 and the continuous exponential growth rate was estimated at 3.5% per year. Assuming that the population of the country continues to follow an exponential growth model, find the projected population in 1997. Round your answer to 1 decimal place.
The approximate population in 1997 is □ million people
Enter an integer or decimal number [more..]
Problem Solving
Write the correct answer. 1. In 2002, U.S. consumers bought about 8.1 million new cars. In 2003, that number decreased by about 6%. To the nearest hundred thousand, or tenth of a million, how many new cars did U.S. consumers buy in 2003? 7500000
Mayumi rides her bike around a park. Each lap around the park is 32 mi. Mayumi rides a total of 3 mi . How many laps around the park does Mayumi ride? Write your answer as a whole number of laps, plus a fraction of a lap. You can use the model to help. Mayumi rides whole laps, plus ? of a lap.
\begin{tabular}{|c|c|c|c|}
\hline \multicolumn{3}{|c|}{⋅⋯} & x \\
\hline 7 & 8 & 9 & x \\
\hline 4 & 5 & 6 & - \\
\hline 1 & 2 & 3 & - \\
\hline 0 & & -1 & □ \\
\hline
\end{tabular}
Sign out
Dec 3
71.54
1.) During a sale at a local department store, you buy three sweatshirts and two pairs of jeans for $85.50. Later you return to the same store and buy three more sweatshirts and four more pairs of jeans for $123. What is the sale price of each sweatshirt and pair of jeans?
4.5 Exponential and Logarithmic Equations and Applications
Question 8 of 26 (2 points) I Question Attempt: 2 of Unilimited
Antonina
✓1✓2✓3✓4✓5✓6✓7
8
✓9✓10
11
Español
13 Solve the equation. Write the solution set with the exact values given in terms of common or natural logarithms. Also give approximate solutions to 4 decimal places.
2t=19
There is no solution, }.
The exact solution set is □ \}
t≈□
\begin{tabular}{|c|c|c|}
\hline \multicolumn{3}{|l|}{} \\
\hline □ln□ & □log□ & log D \\
\hline ㅁ & □□ & □ \\
\hline × & & 5 \\
\hline
\end{tabular}
Check
Save For Later
Submit Assignment
(C) 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center!Accessibility
Dec 3
6:56
Find all the zeros. Write the answer in exact form.
t(x)=x3−5x2+4x+6 If there is more than one answer, separate them with commas.
Select "None" if applicable.
The zeros of t(x) : □
Solve the equation. Write the solution set with the exact values given in terms of common or natural logarithms. Also give approximate solutions to 4 decimal places.
2700=16,200e−0.2x
There is no solution, \{\}.
The exact solution set is □}.
x≈□
Solve for x.
−2+x32=x−x3 If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".
x=□
No
solution
1□ □,□,…
Measurement
Word problem involving a conversion between U.S. Customary units of ... Rachel is ordering 3 bags of cat food from Canada. Each bag has a mass of 5 kg . To determine the shipping costs, Rachel needs to know the total weight in pounds. What is the weight of the cat food in pounds? Use 1kg=2.2lb and do not round any computations.
□ 16
PRACTICE 4 Make Sense of Problems Mauricio hits a baseball 4 times as often as Tony each game. He also hits 20 baseballs every Monday at practice. How many baseballs will Mauricio hit this week if Tony hits 4 balls at the game Saturday?
A leader of two support groups tests depression levels. Group 1 mean: μ1=15, Group 2 mean: μ2=11. Find the weighted mean. Then, for alcohol use, Group 1 mean: μ1=16, Group 2 mean: μ2=18. Find the weighted mean.
Weiland Company has sales =$154,500, costs =$81,600, other expenses =$4,900, depreciation =$10,600, interest =$8,100, taxes =$17,255, dividends =$7,350. They issued \$ 2,900 in equity and redeemed \$ 4,500 in debt. Find:
a. operating cash flow
b. cash flow to creditors
c. cash flow to stockholders
d. addition to NWC if fixed assets increased by \$ 20,400. Round to the nearest whole number.
What was Rottweiler Obedience School's net capital spending for 2022 given net fixed assets of \$1,795,000 and \$2,180,000 with \$335,000 depreciation? Round to the nearest whole number.
Bing, Inc. has assets of \$2,270 (current) + \$10,300 (fixed) and liabilities of \$1,400 (current) + \$4,080 (long-term). Find:
a. Shareholders' equity
b. Net working capital