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mojhsa [17]
3 years ago
6

A circle has a circumference of 9π what is the diameter?

Mathematics
1 answer:
mixas84 [53]3 years ago
7 0
C=πd  where C=circumference, π=the constant pi, and d=diamter

d=C/π  and since we are told that C=9π

d=9π/π

d=9
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<em>25 mg. is lighter than 25 cg.</em>

<em />

Step-by-step explanation:

<em>Well,</em>

<em />

<em>The prefix "milli" means thousandth and the prefix "centi" means hundredth.  So a milligram will be one-tenth of a centigram.</em>

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<em>25 mg. = 2.5 cg.</em>

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<em />

<em>25 mg. is lighter than 25 cg.</em>

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