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Naddik [55]
3 years ago
8

-3.8+5+2.7g=12 i neeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed help

Mathematics
1 answer:
jeka57 [31]3 years ago
8 0

We first of all have to simplify this expression to be 2.7g+1.2=12 then subtract 1.2 to both sides and that = to 10.8 and then divide both sides by 2.7 and you will get 4 so,

G=4

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Answer:

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Step-by-step explanation:

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Substitute:

\pi r^2=706.9          <em>divide both sides by π</em>

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r^2\approx\dfrac{706.9}{3.14}\\\\r^2\approx225\to r=\sqrt{225}\\\\r= 15\ mm

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3 0
3 years ago
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