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bekas [8.4K]
3 years ago
6

C = 2πr; If C = 15π, find r.

Mathematics
1 answer:
Keith_Richards [23]3 years ago
3 0
R is equals to 2.39.
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Write two ratios equivalent to 24 : 9.
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Answer:

8:3

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Step-by-step explanation:

First, let's check if 9 and 24 have any common factor. If they do have any common ones, we must find the GCF (greatest common factor).

Factors of 9: 1, 3, 9

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

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Now that our ratio is simplified, it's going to be much easier to find more ratios that are equivalent. <u>8:3</u> is already one equivalent ratio, but if we multiply each number in the ratio by any other number, we can get a new equivalent ratio. Let's multiply each number in the ratio by 2:

<u>8:3</u>

8 ⋅ 2:3 ⋅ 2

<u>16:6</u>

<u></u>

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2 years ago
A number decreased by the sum of the number and seven. what is the algebraic expression?​
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What multiplied by what equls 78
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1x78=78
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Hope that helped:)
5 0
3 years ago
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