Find the geometric mean between 4 and 6. (Always simplify the radical completely.)

Mathematics

1 answer:

Furkat [3]4 years ago

3 0

Answer:

Use the formula to find the geometric mean.

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Multiply

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Rewrite

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Tap for more steps...

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Pull terms out from under the radical.

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Approximate the result.

4.89897948

The geometric mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

4.9

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So hmmm check the picture below

so, we're looking for dr/dt then at 4:00pm or 4 hours later

now, keep in mind that, the distance "x", is not changing, is constant whilst "y" and "r" are moving, that simply means when taking the derivative, that goes to 0

$\bf r^2=x^2+y^2\implies 2r\cfrac{dr}{dt}=0+2y\cfrac{dy}{dt}\implies \cfrac{dr}{dt}=\cfrac{y\frac{dy}{dt}}{r}\quad 
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\end{cases}
\\\\\\
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