Solve

Problem 2301

[文] Find the distance between the points (4,9)(-4,-9) and (4,3)(-4,3). [xi] Round decimals to the nearest tenth. 84, \square units

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Problem 2302

7. 2x+y=23x2y=11\quad \begin{array}{l}2 x+y=2 \\ 3 x-2 y=-11\end{array}

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Problem 2303

新, Find the distance between the points (1,7)(1,7) and (10,2)(10,2). [8] Round decimals to the nearest tenth. \square units Submit

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Problem 2304

1) Caroline increased the amount of Vitamin C she intakes every day from 60 mg to 75 mg . By what percentage did Caroline increase the amount of Vitamin C she intakes? oportion: ==

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Problem 2305

5x, Find the distance between the points (10,7)(10,7) and (2,2)(2,2), (x) Round docimaln to the noarest tenth. (xa) \square units Submit

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Problem 2306

Find the distance between the points (10,10)(10,10) and (7,1)(-7,1). (5), Round decimals to the nearest tenth. ) 8 \square units Submit

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Problem 2307

12) The ratio of dogs to cats at the local animal shelter is 5 to 4 . If there are 20 cats in the shelter, how many total animals are in the shelter?
Proportion: - \qquad == \qquad

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Problem 2308

Solve the following inequality. (x1)(x2)(x3)0(x-1)(x-2)(x-3) \geq 0
The solution is \square (Type your answer in interval notation. Simplify your answer. Use integers or fractions for any numbers

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Problem 2309

13) John is 6 feet 2 inches tall. If there are approximately 2.54 centimeters in 1 inch, how tall is John in centimeters?
Proportion: \qquad \qquad

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Problem 2310

Divide. Enter your answer as a fraction in simplest form. 15+1115\frac{1}{5}+\frac{11}{15}
The solution is

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Problem 2311

Which number is equal to 123\left.\right|^{-12 \mid}|-|-3 ? 15-15 9-9 9 15

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Problem 2312

14) A horse ran 2.4 kilometers during a race. If one mile is about 1.6 kilometers, approximately how many miles did the horse run?
Proportion: ==
A plane flew 1,800 miles in 12\frac{1}{2} hour. How many hours would it take to fly 2,400 miles?

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Problem 2313

Correct
Use integration by substitution to solve the integral below. Use C for the constant of integration. 6(ln(y))3ydy\int \frac{-6(\ln (y))^{3}}{y} d y
Answer

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Problem 2314

Desmond bought 5 bags of candy. There were 34 pieces of candy in each bag. How many pieces of candy did Desmond buy? \square pieces of candy

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Problem 2315

Which expression is equivalent to 5+3|-5|+|3| ? 8-8 2-2 2 8

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Problem 2316

(b) 12cot2θ4=012 \cot ^{2} \theta-4=0

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Problem 2317

14 2 3 4 5 6 7 8
What is the value of xx in the equation below? 13(12x24)=16\frac{1}{3}(12 x-24)=16 2 6 8 10

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Problem 2318

73÷20=73 \div 20=

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Problem 2319

What is the value of xx in the equation 0.7x1.4=3.50.7 x-1.4=-3.5 ? 7-7 3-3 3 7

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Problem 2320

Find f(x)f^{\prime}(x) for f(x)=f(x)=5(x2+2)cot(x)1cos(x)csc(x)f^{\prime}(x)=\square \quad f(x)=\frac{5\left(x^{2}+2\right) \cot (x)}{1-\cos (x) \csc (x)}

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Problem 2321

24×8=24 \times 8 =

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Problem 2322

b) g(s)=164.g(s)=g(s)=16^{4} . \quad g^{\prime}(s)=

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Problem 2323

OPEN-ENDED QUESTION
What is 5/65 / 6 as a decimal?
Type your answer...

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Problem 2324

5. A lemonade recipe calls for 74\frac{7}{4} tablespoons of powdered lemonade mix for every 12 ounces of water. How many batches can you make with 7 tablespoons of lemonade mix and 48 ounces of water? Explain your reasoning.

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Problem 2325

Joey earned 90%90 \% on an exam. If the exam was out of 50 points, how many points did he earn? \square points
How many points did he get marked off? \square points

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Problem 2326

Evaluate the given integral by changing to polar coordinates. D2x2ydA\iint_{D} 2 x^{2} y d A, where DD is the top half of the disk with center the origin and radius 4.

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Problem 2327

For a given geometric sequence, the 8th 8^{\text {th }} term, a8a_{8}, is equal to 2916\frac{29}{16}, and the 11th 11^{\text {th }} term, a11a_{11}, is equal to 116 . Find the value of the 13th 13^{\text {th }} term, a13a_{13}. If applicable, write your answer as a fraction.

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Problem 2328

24x2+62x+33=(ax+b)(cx+d)24 x^{2}+62 x+33=(a x+b)(c x+d)
What is the value of aa ? [Select ] \square
What is the value of bb ? [ Select ] \square
What is the value of cc ? \square [Select]
What is the value of dd ? [Select] \square

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Problem 2329

$2.50x$2.00=$10.50\$ 2.50 x-\$ 2.00=\$ 10.50 Will bought several books that cost $2.50\$ 2.50 each and received a $2.00\$ 2.00 discount on his total bill. If he paid $10.50\$ 10.50, how many books did he buy? Will bought several books that cost $2.00\$ 2.00 each and received a $2.00\$ 2.00 discount on his total bill. If he paid $10.50\$ 10.50, how many books did he buy? Will bought several books that cost $10.50\$ 10.50 each and received a $2.00\$ 2.00 discount on his total bill. If he paid $2.50\$ 2.50, how many books did he buy? Will bought several books that cost $10.50\$ 10.50 each and received a $2.50\$ 2.50 discount on his total bill. If he paid $2.50\$ 2.50, how many books did he buy? Mark this and return Save and Exit Submit

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Problem 2330

2] Given that cosθ=38,f\cos \theta=\frac{3}{8}, f A] sin(90θ)\sin \left(90^{\circ}-\theta\right)

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Problem 2331

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 10 people took the trip. She was able to purchase coach tickets for $280\$ 280 and first class tickets for $950\$ 950. She used her total budget for airfare for the trip, which was $4810\$ 4810. How many first class tickets did she buy? How many coach tickets did she buy? number of first class tickets bought == \square

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Problem 2332

24) Officer White went from writing 16 tickets a week for traffic violations to writing 10 tickets a week? What was the percent decrease? Proportion: \qquad \qquad

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Problem 2333

A butcher shop sells ground meat in 34\frac{3}{4}-pound packages. If the shop has 24 pounds of meat availa to sell, how many packages of ground meat are for sale?
There are \square packages of ground meat.

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Problem 2334

Your school's talent show will feature 14 solo acts and 2 ensemble acts. The show will last 112 minutes. The 7 solo performers judged best will give a repeat performance at a second 70 minute show, which will also feature the 2 ensemble acts. Each solo act lasts xx minutes, and each ensemble act lasts y minutes. Use this information to answer parts (a) and (b). A. 7x+2y=7 x+2 y= B. 2x+7y=2 x+7 y= 14x+2y=14 x+2 y= C. 7x+2y=7 x+2 y= D. 2x+14y=2 x+14 y= 2x+7y=2 x+7 y= b) Solve the system from part (a). \square (Type an ordered pair.)

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Problem 2335

4. 56x19x=102-\frac{5}{6} x-\frac{1}{9} x=-102

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Problem 2336

Factor the following expression completely: 3w219w14=3 w^{2}-19 w-14= \square Question Help: Message instructor Submit Question
Question 10 Factor the following expression completely: 3x211x20=3 x^{2}-11 x-20= \square

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Problem 2337

The place value of the 3 in 27.4359 is \qquad
The solution is \square

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Problem 2338

Average movie prices in the United States are, in general, lower than in other countries. It would cost $80.84\$ 80.84 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $76.96\$ 76.96. How much does an average movie ticket cost in each of these countries?
In Japan the average cost is $\$ \square \square. In Switzerland the average cost is $\$ \square

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Problem 2339

What is the slope of the line that passes through the points (2,8)(2,8) and (12,20)(12,20) ? Write your answer in simplest form.

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Problem 2340

Factor completely: 25x2=25-x^{2}= \square Question Help: Message instructor Submit Question
Question 15 0/3 pts 3 99 Det
Solve. 25x249=0x=\begin{array}{l} 25 x^{2}-49=0 \\ x=\square \end{array} \square Question Help: Video Message instructor (in)
Submit Question
Question 16 0/3 pts 3993 \rightleftarrows 99 Det
Solve. 64x249=0x=\begin{array}{l} 64 x^{2}-49=0 \\ x=\square \end{array} \square

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Problem 2341

Evaluate the definite integral (if it exists) ee46xln(x)dx\int_{e}^{e^{4}} \frac{-6}{x \sqrt{\ln (x)}} d x
If the integral does not exist, type "DNE".

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Problem 2342

Here are some facts about units of volume. \begin{tabular}{|c|c|c|} \hline Unit & Symbol & Fact \\ \hline fluid ounce & fl oz & \\ \hline \end{tabular} \begin{tabular}{ccc} cup & c & 1c=8floz1 \mathrm{c}=8 \mathrm{fl} \mathrm{oz} \\ pint & pt & 1pt=2c1 \mathrm{pt}=2 \mathrm{c} \\ \hline quart & qt & 1qt=2pt1 \mathrm{qt}=2 \mathrm{pt} \\ \hline gallon & gal & 1gal=4qt1 \mathrm{gal}=4 \mathrm{qt} \end{tabular}
Fill in the blanks. 4pt=c28qt=gal\begin{aligned} 4 \mathrm{pt} & =\llbracket \mathrm{c} \\ 28 \mathrm{qt} & =\square \mathrm{gal} \end{aligned}

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Problem 2343

Solve the given equation. (78)y=911\left(\frac{7}{8}\right)^{y}=\frac{9}{11} y=y= \square [Round your answer to 4 decimal places.]

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Problem 2344

\begin{tabular}{|l|} \hline Finding a Whole Given a Percent and an Amount \\ \hline \begin{tabular}{l} Solve the following percent problems. Round your \\ results to two decimal places as needed. \end{tabular} \\ \hline 64 is 85.33%85.33 \% of what number? \\ \hline 2.7%2.7 \% of what number is 14.38?14.38 ? \\ \hline119\frac{11}{9} is 70%70 \% of what number? \\ \hline 213%213 \% of what number is 27?27 ? \\ \hline \end{tabular}

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Problem 2345

points Points: 0 of 1
For the equation, (a) solve for xx in terms of yy, and (b) solve for yy in terms of xx. 8x2+2xy+5y2=88 x^{2}+2 x y+5 y^{2}=8 (a) Solve for xx in terms of yy. x=x=\square (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expressi. comma to separate answers as needed.)

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Problem 2346

Solve 3x3+3x230x+24>03 x^{3}+3 x^{2}-30 x+24>0

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Problem 2347

Solve the equation: m2=18m80m^{2}=18 m-80 Answer: m=m= \square Write your answers as a list of integers or reduced fractions, with your answers separated by (a) comma(s). For example, if you get 4 and 23-\frac{2}{3} as your answers, then enter 4,2/34,-2 / 3 in the box.

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Problem 2348

Solve the equation. x=ix=i i

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Problem 2349

Question: Sydney invests $100\$ 100 every month into an account that pays 0.8%0.8 \% annual interest, compounded monthly. Benny invests $80\$ 80 every month into an account that pays 2.2%2.2 \% annual interest rate, compounded monthly. a) Determine the amount in Sydney's account after 10 years. b) Determine the amount in Benny's account after 10 years. c) Who had more money in the account after 10 years. d) Determine the amount in Sydney's account after 30 years. e) Determine the amount in Benny's account after 30 years. f) Who had more money in the account after 30 years. g) Write the future value function for Sydney's account where xx represents the number of months. h) Write the future value function for Benny's account where xx represents the number of months.

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Problem 2350

In the figure, ABCFDE\triangle A B C \cong \triangle F D E. Find the value of xx and YY.
Not all choices will be used.

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Problem 2351

SAT /ACT/ A C T Given AB=BD=BC=DCA B=B D=B C=D C ano mABC=114m \angle A B C=114, what is mBADm \angle B A D ?

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Problem 2352

SAT /ACT/ A C T Given AB=BD=BC=DCA B=B D=B C=D C ano mABC=114m \angle A B C=114, what is mBADm \angle B A D ?

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Problem 2353

Shelby bought a picnic table online. It cost $553.20\$ 553.20 plus 15%15 \% shipping and handling. What was the total cost? \ \square$ Submit

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Problem 2354

Solve the equation. 1.079x=4.131.079^{x}=4.13
Round your answer to three decimal places.

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Problem 2355

The first term of a geometric sequence is 23\frac{2}{3}. The next three terms are 12,38\frac{1}{2}, \frac{3}{8}, and 932\frac{9}{32}. What is the tenth term of the sequence?

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Problem 2356

Find the complete solution of the linear system, or show that it is incor there is no solution, enter NO SOLUTION.) {x+2yz=192x+3y4z=483x+6y3z=56(x,y,z)=()\begin{array}{l} \left\{\begin{array}{r} x+2 y-z=-19 \\ 2 x+3 y-4 z=-48 \\ 3 x+6 y-3 z=-56 \end{array}\right. \\ (x, y, z)=(\square) \end{array}

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Problem 2357

Example 8: If f(x)=e2x3xf(x)=e^{2 x}-3 x, find ff^{\prime} and ff^{\prime \prime}

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Problem 2358

1. a) Find the value of mm if limx0mx+3x24x8x2=3\lim _{x \rightarrow 0} \frac{m x+3 x^{2}}{4 x-8 x^{2}}=3.

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Problem 2359

7.2a - Derivatives of the Sine an
1. Evaluate limθ0sin4θsin6θ=23\lim _{\theta \rightarrow 0} \frac{\sin 4 \theta}{\sin 6 \theta}=\frac{2}{3}
2. Evaluate limθ0sinθθ+tanθ\lim _{\theta \rightarrow 0} \frac{\sin \theta}{\theta+\tan \theta}
3. Evaluate limx1sin(x1)x2+x2\lim _{x \rightarrow 1} \frac{\sin (x-1)}{x^{2}+x-2}

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Problem 2360

Solve sin(2x)cos(5x)cos(2x)sin(5x)=0.4\sin (2 x) \cos (5 x)-\cos (2 x) \sin (5 x)=-0.4 for the smallest positive solution. x=x=
Give your answer accurate to two decimal places.

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Problem 2361

Note: Triangle may not be drawn to scale. Suppose C=5\mathrm{C}=5 and A=35\mathrm{A}=35 degrees. Find: a=b=B= degrees \begin{array}{l} a=\square \\ b=\square \\ B=\square \text { degrees } \end{array}
Give all answers to at least one decimal place. Give angles in degrees

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Problem 2362

2b2=b+62 b^{2}=b+6

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Problem 2363

Find the complete solution or there is no solution, enter NO SOLUTION.) x2y+z=52x5y+6z=112x3y2z=9\begin{array}{r} x-2 y+z=5 \\ 2 x-5 y+6 z=11 \\ 2 x-3 y-2 z=9 \end{array} Need Help? Read It Master It

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Problem 2364

\begin{tabular}{|c|c|} \hline \multicolumn{2}{|l|}{Solving Percent Problems} \\ \hline \multicolumn{2}{|l|}{Solve the following percent problems. Round your answers to two decimal places as needed.} \\ \hline What percent is 56 of 59 ? & \% \\ \hline 2.9%2.9 \% of what number is 17.3 ? & \\ \hline What percent of 163 is 261 ? & \% \\ \hline What percent is 25\frac{2}{5} of 65\frac{6}{5} ? & \% \\ \hline 0.66%0.66 \% of 987 is what amount? & \\ \hline 169%169 \% of what number is 43 ? & \\ \hline \end{tabular}

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Problem 2365

A gas station sells three types of gas: Regular for $2.80\$ 2.80 a gallon, Performance Plus for $3.05\$ 3.05 a gallon, and Premium for $3.30\$ 3.30 a gallon. On a particular day 4700 gallons of gas were sold for a total of $13,835\$ 13,835. Three times as many gallons of Regular as Premium gas were sold. How many gallons of each type of gas were sold that day? Regular \square gallons Performance Plus \square gallons Premium \square gallons Need Help? Read It

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Problem 2366

Suppose that PP dollars in principal is invested for tt years at the given interest rates with continuous compounding. Determine the amount that the investment is worth at the end of the given time period. P=$6000,t=14yrP=\$ 6000, t=14 \mathrm{yr} (a) 1%1 \% interest (b) 3%3 \% interest (c) 6.5%6.5 \% interest
Part: 0/30 / 3
Part 1 of 3 (a) At 1%1 \% interest rate, the investment will be worth $\$ \square at the end of 14 yr .

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Problem 2367

Current Attempt in Progress
The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distribution.
Test H0:p=0.25H_{0}: p=0.25 vs Ha:p<0.25H_{a}: p<0.25 when the sample has n=700n=700, and p^=0.225\hat{p}=0.225 with SE=0.02S E=0.02.
Find the value of the standardized zz-test statistic.
Round your answer to two decimal places. z=z= i

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Problem 2368

BMW bought billboard advertising at the Jays' games for $80,000\$ 80,000. It is estimated that they sold an additional 50 cars during the campaign. The contribution margin they made on each car during this promotional campaign was $2,000\$ 2,000. What is the ROMI for the billboard advertising? 25\% 125\% 80\% 50\%

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Problem 2369

Evaluate the definite integrals a) π/2π5cosxdx=\int_{\pi / 2}^{\pi} 5 \cos x d x= \square b) 0π/414sec2θdθ=\int_{0}^{\pi / 4} 14 \sec ^{2} \theta d \theta= \square c) π/6π/37csctcottdt=\int_{\pi / 6}^{\pi / 3} 7 \csc t \cot t d t= \square

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Problem 2370

Evaluate the following expressions without using a calculator. (a) ln(e16)=\ln \left(\sqrt[6]{e^{1}}\right)= \square (b) ln(1e7)=\ln \left(\frac{1}{e^{7}}\right)= \square (c) ln(e9)=\ln \left(e^{9}\right)= \square (d) eln(4)=e^{\ln (4)}= \square (e) eln(5)=e^{\ln (\sqrt{5})}= \square Question Help: Video 1 Video 2 Message instructor

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Problem 2371

Period \qquad Due Date: Thursday, Nov 14. 2024
7 Ms . Hough can type 330 words in 5 minute Which rate is equivalent to the rate at which Hough can type? a. 55 words per minute b. 66 words per minute c. 55 minutes per word d. 66 minutes per word

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Problem 2372

Compare investing $1250\$ 1250 at 9\% compounded monthly for 25 years with investing $1250\$ 1250 at 14%14 \% compounded monthly for 25 years.
The final amount after investing at 9%9 \% is $\$ \square. \square (Type an integer or a decimal. Round to the nearest cent as needed.)

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Problem 2373

=limx0e2x+ex2ex=\lim _{x \rightarrow 0} \frac{e^{-2 x}+e^{x}}{2 e^{x}}

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Problem 2374

Logarithms as anti-derivatives. 5x(lnx)2dx=\int \frac{-5}{x(\ln x)^{2}} d x= \square Hint: Use the natural log function and substitution.

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Problem 2375

Find the point symmetric to [72,π3]\left[\frac{7}{2}, \frac{\pi}{3}\right] about the yy-axis. [7,2π3]\left[-7, \frac{2 \pi}{3}\right] [72,2π3]\left[\frac{7}{2}, \frac{2 \pi}{3}\right] [72,5π6]\left[\frac{7}{2}, \frac{5 \pi}{6}\right] [72,π3]\left[-\frac{7}{2}, \frac{\pi}{3}\right] [7,2π3]\left[7, \frac{2 \pi}{3}\right]

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Problem 2376

39/45 3=8+2x12-3=\frac{8+2 x}{-12}
Write your answer as a number only! Do not write " x=x= "

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Problem 2377

(1 point) Evaluate the definite integral. 64(x+4)ex2+8x+15dx=\int_{-6}^{-4}(x+4) e^{x^{2}+8 x+15} d x= \square

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Problem 2378

Fill in the missing number. 100%100 \% of \square =70=70
Submit

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Problem 2379

$6,000,000\$ 6,000,000 is what percent of $20,000,000\$ 20,000,000 ? Write your answer using a percent sign (\%). For example, 0.5\%, 12.7\%, or 56%56 \%. \square Submit

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Problem 2380

If ff is continuous and 132f(t)dt=10\int_{1}^{32} f(t) d t=10, find the integral 12t4f(t5)dt\int_{1}^{2} t^{4} f\left(t^{5}\right) d t. Answer: \square

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Problem 2381

15. The cash price of a new car is $87500\$ 87500. (i) Tim buys the car on hire purchase.
He pays a deposit of one-fifth of the cash price. He then makes 48 monthly payments of $1960\$ 1960. What is the total amount that Tim pays for the car? $87500÷5=$77500$1960×48=$94080 Trach =$94080+$17500=$$111580\begin{array}{l} \$ 87500 \div 5 \\ =\$ 77500 \\ \$ 1960 \times 48 \\ =\$ 94080 \\ \text { Trach }=\$ 94080+\$ 17500 \\ =\$ \$ 111580 \end{array} Answer $111580\$ 111580 [2] (ii) The original value of the car is its cash price of $87500\$ 87500.
Each year the value of the car decreases by 10%10 \% of its value at the start of the year. At the end of three years, Tim decides to sell the car. Calculate the overall percentage reduction in the value of the car compared with its original value.

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Problem 2382

3.6 Exercises
1. Find the derivatives of the following functions: (a) f(s)=s1s+1f(s)=\frac{\sqrt{s}-1}{\sqrt{s}+1} (b) f(x)=(1xx)(x2+1)f(x)=\left(\frac{1}{x}-x\right)\left(x^{2}+1\right) (c) g(x)=sec(2x+1)cot(x2)g(x)=\sec (2 x+1) \cot \left(x^{2}\right) (d) s(t)=1+csct1cscts(t)=\frac{1+\csc t}{1-\csc t} (e) f(x)=x3sinxcosxf(x)=x^{3} \sin x \cos x. (f) x1/2+y1/2=1x^{1 / 2}+y^{1 / 2}=1.

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Problem 2383

Evaluate the indefinite integral 7x1+x4dx\int \frac{-7 x}{1+x^{4}} d x
Note: Any arbitrary constants used must be an upper-case "C".

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Problem 2384

Question Watch Video Show Example
For the function f(x)=2(x+4)156f(x)=2(x+4)^{\frac{1}{5}}-6, find f1(x)f^{-1}(x).
Answer f1(x)=(x+624)5f^{-1}(x)=\left(\frac{x+6}{2}-4\right)^{5} f1(x)=(x+62)54f^{-1}(x)=\left(\frac{x+6}{2}\right)^{5}-4 Submit Answer f1(x)=(x24)5+6f^{-1}(x)=\left(\frac{x}{2}-4\right)^{5}+6 f1(x)=(x4)52+6f^{-1}(x)=\frac{(x-4)^{5}}{2}+6

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Problem 2385

Evaluate the integral by any method. sin(3x)7+cos(3x)dx=\int \frac{\sin (3 x)}{7+\cos (3 x)} d x= \square +C+C

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Problem 2386

The functiong is defined by the following rule. g(x)=10xg(x)=10^{x}
Find g(x)g(x) for each xx-value in the table. \begin{tabular}{|c|c|} \hlinexx & E(x)E(x) \\ \hline-2 & \square \\ \hline-1 & \square \\ \hline 0 & \square \\ \hline 1 & \square \\ \hline 2 & \square \\ \hline \end{tabular}

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Problem 2387

Current Attempt in Progress
Consider random samples of size 46 drawn from population A with proportion 0.34 and random samples of size 36 drawn from population BB with proportion 0.28 .
Part 1 (a) Find the standard error of the distribution of differences in sample proportions, p^Ap^B\hat{p}_{A}-\hat{p}_{B}
Round your answer for the standard error to three decimal places. standard error == \square eTextbook and Media \square Save for Later Attempts: 0 of 5 used Submit Answer
Part 2

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Problem 2388

If a computer depreciates at a rate of 18%18 \% per year, what is the monthly Item 17 depreciation rate?

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Problem 2389

Find the slope of the line passing through the following pair of points. (3,2) and (5,4)(3,-2) \text { and }(-5,-4)

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Problem 2390

Question 12 If 7000 dollars is invested in a bank account at an interest rate of 4 percent per year, Find the amount in the bank after 14 years if interest is compounded annually: \square Find the amount in the bank after 14 years if interest is compounded quarterly: \square Find the amount in the bank after 14 years if interest is compounded monthly: \square Finally, find the amount in the bank after 14 years if interest is compounded continuously: \square Question Help: Video Message instructor

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Problem 2391

Score: 2/3 Penalty: 1 off
Question Watch Video Show Examples dicular Equations Perpendicular
Find the slope of a line perpendicular to the line whose equation is 4x2y=204 x-2 y=20. Fully simplify your answer.
Answer Attempt 2 out of 2 ular Line through a from Data Table ation (Scatter Still Stuck? Log Out Copyright Q2024 DeltaMath com All Rights Reserved. Privacy Policy | Terms of Service

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Problem 2392

K=0π4(2cos2xcos4x)dxK=\int_{0}^{\frac{\pi}{4}}(2 \cos 2 x-\cos 4 x) d x

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Problem 2393

CONNECTING CONCEPTS Use the given information to write and solve a system of linear ec the values of xx and yy. LMNPQR,mL=40,mM=90,mP=(17xy),mR=(2x+4y)\triangle L M N \cong \triangle P Q R, m \angle L=40^{\circ}, m \angle M=90^{\circ}, m \angle P=(17 x-y)^{\circ}, m \angle R=(2 x+4 y)^{\circ}
The equations are 17xy=4017 x-y=40 and 2x+4y=1802 x+4 y=180. x= and y=x=\square \text { and } y=\square

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Problem 2394

Factor the expression completely: x2+11x+24x^{2} + 11x + 24

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Problem 2395

Part 1 of 6
Let xx represent the length of the rectangle. Let yy represent the width of the rectangle. The statement of the problem gives two independent relationships between the length and the width of the rectangle. The perimeter of the rectangle is 42 cm . 2x+2y=422 x+2 y=42
The area is 98 cm298 \mathrm{~cm}^{2}. xy=98x y=98
Part 2 of 6
Using the substitution method, solve for xx or yy in either equation. (A) 2x+2y=422 x+2 y=42
B xy=98x y=98
Solve for yy. \qquad y=21xy=21-x
Correct Answer: y=98xy=\frac{98}{x}
Part: 2/62 / 6
Part 3 of 6
Substitute y=98xy=\frac{98}{x} from equation BB into equation AA. (A) 2x+2(98x)=422 x+2\left(\frac{98}{x}\right)=42. 2x+=422 x+\square=42

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Problem 2396

You are taking a road trip in a car without A/C. The temperture in the car is 105 degrees F. You buy a cold pop at a gas station. Its initial temperature is 45 degrees FF. The pop's temperature reaches 60 degrees FF after 25 minutes. Given that TAT0A=ekt\frac{T-A}{T_{0}-A}=e^{-k t} where T=T= the temperature of the pop at time tt. T0=T_{0}= the initial temperature of the pop. A=A= the temperature in the car. k=k= a constant that corresponds to the warming rate. and t=t= the length of time that the pop has been warming up.
How long will it take the pop to reach a temperature of 75 degrees FF ? It will take \square minutes.

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Problem 2397

Learning Intention: "I can write and solve proportions."
Need assistancent \checkmark Confer with an elbow parener \checkmark Review "Math Notes: Proportions ("Is On(y)" (Spiral notebook \& Google Classroom) WWatch "Proportions ("Is Oniy)" YouTube videos (Google Classroom) \checkmark Refer to envisionmath 2.0 Textbook volume 2 (Pages 263-274)
Unit 3 Math Worksheet \#2 Solve for xx. Round answers to the hundredths place, if applicable.
1. 1216=x20\frac{12}{16}=\frac{x}{20}
2. x12=128\frac{x}{12}=\frac{12}{8}
3. 1420=21x\frac{14}{20}=\frac{21}{x}
4. 4x=156\frac{4}{x}=\frac{15}{6}
5. 207=3x\frac{20}{7}=\frac{3}{x}
6. x20=1845\frac{x}{20}=\frac{18}{45}
7. 220450=x225\frac{220}{450}=\frac{x}{225}
8. 9x=4036\frac{9}{x}=\frac{40}{36}
9. 355=x2\frac{35}{5}=\frac{x}{2}
10. 50x=12530\frac{50}{x}=\frac{125}{30}

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Problem 2398

Factor the expression completely: 6x2+17x+106x^2 + 17x + 10

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Problem 2399

Solve the given equation for xx. 46x2=414^{6 x-2}=41

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Problem 2400

Learning Intention: "I can write and solve proportions."
Need assistancent \checkmark Confer with an elbow parener \checkmark Review "Math Notes: Proportions ("Is On(y)" (Spiral notebook \& Google Classroom) WWatch "Proportions ("Is Oniy)" YouTube videos (Google Classroom) \checkmark Refer to envisionmath 2.0 Textbook volume 2 (Pages 263-274)
Unit 3 Math Worksheet \#2 Solve for xx. Round answers to the hundredths place, if applicable.
1. 1216=x20\frac{12}{16}=\frac{x}{20}
2. x12=128\frac{x}{12}=\frac{12}{8}
3. 1420=21x\frac{14}{20}=\frac{21}{x}
4. 4x=156\frac{4}{x}=\frac{15}{6}
5. 207=3x\frac{20}{7}=\frac{3}{x}
6. x20=1845\frac{x}{20}=\frac{18}{45}
7. 220450=x225\frac{220}{450}=\frac{x}{225}
8. 9x=4036\frac{9}{x}=\frac{40}{36}
9. 355=x2\frac{35}{5}=\frac{x}{2}
10. 50x=12530\frac{50}{x}=\frac{125}{30}

See Solution
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