Mathematics
8 Online
OpenStudy (anonymous):
What is the exact volume of a sphere that has a radius of 7.5 ft?
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OpenStudy (lyrae):
The volume of a sphere is \[\large V =\frac{ 4 }{ 3 } \times \pi \times r^3\]where r is the radius.
OpenStudy (anonymous):
ok...
OpenStudy (anonymous):
@BloomLocke367
OpenStudy (anonymous):
That means 4/3*3.14*7.5^3
OpenStudy (anonymous):
that should help you get the exact volume
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OpenStudy (anonymous):
how do you solve?
OpenStudy (anonymous):
ok... do you have a calculator?
OpenStudy (anonymous):
.......
OpenStudy (anonymous):
divide this: 4/3
OpenStudy (anonymous):
now multiply that answer by 3.14
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OpenStudy (anonymous):
When you get that answer,multiply it by 7.5 cubed
OpenStudy (anonymous):
and you should get your answer
OpenStudy (anonymous):
yes i do have a calculater
OpenStudy (anonymous):
now do all the math
OpenStudy (anonymous):
how do you divdide 4/3??
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OpenStudy (anonymous):
put it into the calculator exactly like that
OpenStudy (anonymous):
1.33
OpenStudy (anonymous):
ok, is that answer still in the calculator
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
now, multiply it by 3.14
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OpenStudy (anonymous):
4.186
OpenStudy (anonymous):
multiply that answer by 7.5^3
OpenStudy (anonymous):
@kmachelle
OpenStudy (anonymous):
that wouldn't be correct
OpenStudy (anonymous):
i couldn't get it to work
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OpenStudy (anonymous):
get what to work?
OpenStudy (anonymous):
the calculator wouldn't let me enter 7.5^3
OpenStudy (anonymous):
go to a calculator on google
OpenStudy (anonymous):
┌( ಠ_ಠ)┘
OpenStudy (anonymous):
k
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OpenStudy (anonymous):
1765.96
OpenStudy (anonymous):
correct
OpenStudy (anonymous):
is this a multiple choice question or no?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
is that the final answer?
OpenStudy (anonymous):
@kmachelle
OpenStudy (anonymous):
check your work
OpenStudy (anonymous):
what did i get something wrong?
OpenStudy (anonymous):
@kmachelle
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OpenStudy (anonymous):
when I did the whole equation I got a different answer
OpenStudy (anonymous):
like this?
OpenStudy (anonymous):
that's good but you do not need to simplify the number once you get it
OpenStudy (anonymous):
every time you put in a number keep it there the multiply the next number
OpenStudy (anonymous):
After
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OpenStudy (anonymous):
what did you get?
OpenStudy (anonymous):
@kmachelle
OpenStudy (anonymous):
1766.25