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1 year ago

If y=3x+4 we’re changed to y=5x+4 how would the graph of the new function compare with the first one

Mathematics

1 answer:

xz_007 [3.2K]1 year ago

8 0

Answer:

t would be steeper

Step-by-step explanation:

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Which of the following is a polynomial with roots 4, 2i, and −2i?

ivolga24 [154]

Hello,

(x+2i)(x-2i)(x-4)=(x²+4)(x-4)=x^3-4x²+4x-16

Answer C

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3 years ago

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Liam wants to estimate the percentage of people who lease a car. He surveys 240 individuals and finds that 54 lease a car. Find

scoundrel [369]

Answer:

$ME= z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}$

The confidence interval is 95% and the significance level is $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ and the critical value would be:

$z_{\alpha/2}= 1.96$

And the margin of error would be:

$ME = 1.96 \sqrt{\frac{0.225 (1-0.225)}{240}}= 0.0528$

Step-by-step explanation:

We have the following info given:

$n =240$ the sample size selected

$X=54$ the number of people who lease a car

$\hat p =\frac{54}{240}= 0.225$ the estimated proportion of people who lease a car

The margin of error is given by:

$ME= z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}$

The confidence interval is 95% and the significance level is $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ and the critical value would be:

$z_{\alpha/2}= 1.96$

And the margin of error would be:

$ME = 1.96 \sqrt{\frac{0.225 (1-0.225)}{240}}= 0.0528$

6 0

3 years ago

The product of 4 and the sum of 7 and a number

lina2011 [118]

The product of 4 and the sum of 7 and a number.

Meaning:

4 ( 7 + n )

4 0

3 years ago

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Mary makes trail mix with bulk nuts and dried fruit. She spends $4.50 on the dried fruit. Mixed nuts cost $2.50 per pound. She h

AnnyKZ [126]

Answer: 3 pounds

Step-by-step explanation: 12 - 4.50 = 7.50 7.50/2.50=3

4 0

3 years ago

A car was on sale for

melamori03 [73]

Answer:

p - 0.05p

Step-by-step explanation:

The price of the car is p.

You must subtract from p the amount of 5% of p.

5% of p = 5% * p = 0.05p

5% of p is the same as 0.05p.

Now we subtract 0.05p from p.

p - 0.05p

5 0

3 years ago