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2 years ago

The height is??? I somehow got the width

Mathematics

2 answers:

Aneli [31]2 years ago

8 0

Answer:

600

Step-by-step explanation:

400=800 not

600/ tama po yan

EleoNora [17]2 years ago

7 0

To find the maximum height, we must find the x value at which the maximum height occurs.

The maximum height occurs at x = 0 because that is where y is the largest.

When we plug x= 0 into the function that is given in the question, we get 630 ft.

Hope it helps!

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2 years ago

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation

Lostsunrise [7]

Answer:

$ME =z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

The confidence level is 0.98 and the significance is $\alpha=1-0.98 =0.02$ and $\alpha/2 =0.01$ and the critical value using the table is:

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And replacing we got:

$ME=2.326 \frac{425}{\sqrt{22}}= 210.760\ approx 210.76$

Step-by-step explanation:

For this case we have the following info given:

$\sigma = 425$ represent the population deviation

$n =22$ the sample size

$\bar X =1520$ represent the sample mean

We want to find the margin of error for the confidence interval for the population mean and we know that is given by:

$ME =z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

The confidence level is 0.98 and the significance is $\alpha=1-0.98 =0.02$ and $\alpha/2 =0.01$ and the critical value using the table is:

$z_{\alpha/2}= 2.326$

And replacing we got:

$ME=2.326 \frac{425}{\sqrt{22}}= 210.760\ approx 210.76$

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2 years ago

Each of the variables t, w, x, y, and z represents a different positive real number. Given the equations below, which of the 4 v

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Answer:

y has the greatest value.

Step-by-step explanation:

1.23w = t

Divide both sides by 1.23.

$w=\frac{t}{1.23}$

$w=0.813t$ --- (1)

1.01x = t

Divide both sides by 1.01.

$x=\frac{t}{1.01}$

$x=0.99t$ --- (2)

0.99y = t

Divide both sides by 0.99.

$y=\frac{t}{0.99}$

$y=1.01t$ --- (3)

From (1), (2) and (3), it is clear that y has the greatest value.

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