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3 years ago

Find the midpoint of the segment with the given endpoints.g(–3, –5) and h(1, –1)

1 answer:

8 0

We have that
g(–3, –5) and h(1, –1)

the x-coordinate of midpoint is
Mx=(-3+1)/2----> -1
the y-coordinate of midpoint is
My=(-5-1)/2----> -3

the answer is (-1,-3)

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Which is equivalent to 3√8^x X√8^3 8^3/x 8^x/3 8^3x

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3 years ago

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3 years ago

you can buy 3 sandwiches for $4.95 or 4 sandwiches for $6.72. find the unit rate for each which is the better buy?

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3 years ago

An expression is given.

scZoUnD [109]

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A. 0.25x - 6.50

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2 years ago

The U.S. Energy Information Administration (US EIA) reported that the average price for a gallon of regular gasoline is $2.94. T

Galina-37 [17]

Answer:

The answer is "16, 43, and 96".

Step-by-step explanation:

Given:

$\sigma = 0.20\\\\c = 95\% = 0.95\\\\\therefore \alpha = 1- c = 1- 0.95 = 0.05\\\\\therefore \frac{\alpha}{2} = 0.025\\\\$

Using Z table:

$\therefore Z_{\frac{\alpha}{2}} = 1.96\\\\$

For point a:

$E = 0.10\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.10})^2\\\\= 15.3664 \approx 16$

so, The Sample size (n) = 16

For point b:

$E = 0.06\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.06})^2\\\\= 42.6844444444\approx 43$

For point c:

$E = 0.04\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.04})^2\\\\= 96.04\approx 96$

7 0

3 years ago