2 years ago

Calculate the rate of change.

Mathematics

1 answer:

Tpy6a [65]2 years ago

7 0

Answer:

Step-by-step explanation:

Rise is 10 run is 5 Rate of Change is rise over run.

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Please can someone solve this

Crazy boy [7]

Answer:

200.86

Step-by-step explanation:

Using the formulas:

A=πr2

C=2πr

Solving for A:

A=C2

4π=50.242

4·π≈200.85812

I hope this helps.

4 0

2 years ago

A class quiz has 5 True/False questions. The correct answers are T, T, F, F, and T, in that order. John answered the questions r

rosijanka [135]

Answer: 1/2

Step-by-step explanation:

I got it right.

3 0

3 years ago

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B) 36 kg in the ratio 1:3:5

ale4655 [162]

9514 1404 393

Answer:

4 kg : 12 kg : 20 kg

Step-by-step explanation:

The total number of "ratio units" is 1+3+5 = 9, so each of them represents ...

(36 kg)/9 = 4 kg

Multiplying the given ratio by 4 kg will show the appropriate division:

1(4 kg) : 3(4 kg) : 5(4 kg) = 4 kg : 12 kg : 20 kg

8 0

2 years ago

Based on previous sales, Ron predicted sales of 80 pen sets. He actually sold 100 pen sets. Find the error and absolute error fo

bagirrra123 [75]

Answer:

A=-20 B=20

Step-by-step explanation:

7 0

3 years ago

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(1 point) A random sample of 600 movie goers in Flagstaff found 252 movie goers who had bought popcorn on their last visit. Find

garik1379 [7]

<u>Answer-</u>

A 95% confidence interval for the true percent of movie goers is 36.41% to 44.25%

<u>Solution-</u>

Given,

n = 600 (sample size)

x = 252 (number of people who bought)

Confidence interval = 95%, so z = 1.96

We know that,

$\mu = M\pm Z(SE)$

where,

M = sample mean

Z = Z statistic determined by confidence level

SE = standard error of mean

Calculating the values,

$M=\frac{x}{n} =\frac{242}{600} =0.4033$

$Z=1.96$ from the tables

$SE=\sqrt{\frac{M\times (1-M)}{n}}$

$\Rightarrow SE=\sqrt{\frac{0.4033\times (1-0.4033)}{600}}=0.02$

Putting all the values in the formula,

$\mu = M\pm Z(SE)$

$\mu = 0.4033\pm 1.96(0.02)$

$=0.4033\pm 0.0392$

$=0.4425, 0.3641$

$= 44.25\%,36.41\%$

5 0

3 years ago