The line below are parallel. If the green line has a slope of -1/2, what is the slope of the red line?

2 answers:

7 0

Is there a picture? If so, can you please add it? Without seeing it, the slope would be 1/2 because it will always be the exact opposite graph as \frac{-1}{2}

Hope this helps.

MAXImum [283]3 years ago

4 0

The line below are parallel so they have same slopes

If the green line has a slope of -1/2, the slope of the red line is also - 1/2

Answer

-1/2

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In a random sample of five mobile devices, the mean repair cost was $90.00 and the standard deviation was $14.00. Assume the

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Answer:

The correct option is;

B. With 95 percent confidence, it can be said that the repair cost is between the bounds of the confidence interval

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Here we have the formula for confidence interval, CI given as follows;

$CI=\bar{x}\pm t\frac{s}{\sqrt{n}}$

Where:

$\bar x$ = Sample mean = $90.00

s = Sample standard deviation = $14.00

n = Sample size = 5

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Plugging in the values, we have;

$CI=90.00\pm 2.7764 \frac{14.00}{\sqrt{5}}$

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3 years ago

Can anyone figure this out for me please? It would be greatly appreciated.

Ira Lisetskai [31]

Check the picture below.

now, to get how much is the area of the tiled section, we simply get the area of the whole pool, 53x26, which includes the tiles, and then subtract the area without the tile, the rectangle in the middle, and what's leftover, is the area of the tiled area.

$\bf 53-4\frac{1}{2}-4\frac{1}{2}\implies 53-9\implies \boxed{42}
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