Mathematics: What is the radius of a hemisphere with a volume of 45729 in, to the nearest tenth of an inch?

What is the radius of a hemisphere with a volume

Ответ:

nasrah

01.07.2021

Step-by-step explanation:

Use the volume of a sphere formula and then multiply it by .5 to get half of it, since a hemisphere is half of a sphere. Doing that gives us the formula:

$V=\frac{4}{3}\pi r^3\frac{1}{2}$ which simplifies to

$V=\frac{2}{3}\pi r^3$ . Now, filling in what we were given:

$45729=\frac{2}{3}\pi r^3$ which simplifies a bit to

$137187=2\pi r^3$ . We divide by 2π to get

2183.98918=r^3 and take the cubed root on your calculator to get that

r = 27.9"

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Ответ:

jchavez5601

01.07.2021

Mathematics

✏

$Volume= 45729in^3\\\\$

Radius=r

$2/3\pi r^3=45729$

$r^3=3*45729\\~~~~------\\~~~~~~2*3.14$

r^3=21845.06

r=27.95~in

✂-------------

hope it helps...

have a great day!!

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Ответ:

amortegaa805

31.05.2021

Mathematics

49.

7×7=49.

Step-by-step explanation:

i did this. hope it helps

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What is the radius of a hemisphere with a volume of 45729 in, to the nearest tenth
of an inch?

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