I need help answering these two questions. Can anyone help?

Mathematics

1 answer:

weqwewe [10]3 years ago

5 0

Sure i can try to help

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Inessa05 [86]

Answer:

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Step-by-step explanation:

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2 years ago

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yulyashka [42]

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3 years ago

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A disco ball is shaped like a sphere with a diameter of 16 inches. To the nearest square inch, what is the surface of the disco

Mademuasel [1]

If the diameter is 16 inches, then its radius is half that, r = 8.

$\bf \textit{surface area of a sphere}\\\\
A=4\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
r=8
\end{cases}\implies A=4\pi 8^2$

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3 years ago