3 years ago

What does it mean to say that a data point has a residual of 0?

Mathematics

1 answer:

tigry1 [53]3 years ago

8 0

The answer is the point lies directly on the regression line.

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Triangle abc is a right traingle if side ac=7 and side bc= 10 what is the measure of ab?

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<span>Use the Pythagorean theorem for the right triangle $ABC,$ where

$AB$ is the hypotenuse of the triangle;

$AC$ and $BC$ are the other two sides.

So,

$(AC)^{2}+(BC)^{2}=(AB)^{2}\\\\ 7^{2}+10^{2}=(AB)^{2}\\\\ (AB)^{2}=49+100\\\\ (AB)^{2}=149\\\\ AB=\sqrt{149}$

</span>

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