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3 years ago

14

A garage door is 16 feet wide; the scale is 2 inches = 1 foot. How wide is the door on the scale drawing? Door = ________ inches

on the drawing.

1 answer:

emmainna [20.7K]3 years ago

4 0

Answer:

Door = 32 inches.

Step-by-step explanation:

16 × 2 = 32.

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Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

amm1812

Answer:

$V = \frac{8\pi}{3}$

Step-by-step explanation:

For this case we are interested on the region shaded on the figure attached.

And we can find the volume with the method of rings.

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$V= \int_{a}^b A(x) dx$

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$V= \pi [\frac{x^3}{3}]\Big|_0^{2}$

And after evaluate we got this:

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