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Maurinko [17]
3 years ago
8

A student answered 140 questions correctly out of 200. What percent is this?

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0
It’s 70%. 140/200=.7 and .7 to percentage is 70%
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If the cylinder above is similar to a second cylinder that has a radius of 10mm, what is the height of the second cylinder
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Answer:

The height of the second cylinder is 30mm

Step-by-step explanation:

Given

Cylinder 1:

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See attachment

Required

Determine h, the height of the small one

To do this, we make use of the following equivalent ratios;

R : H = r : h

This gives:

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Simplify

\frac{1 }{ 3}= \frac{10 }{ h}

Cross multiply

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