anonymous
  • anonymous
What is the volume of a sphere with a radius of 3 inches?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Do you know the formula for the volume of a sphere?
triciaal
  • triciaal
|dw:1446362669588:dw|
triciaal
  • triciaal
are you told to get exact volume or use 22/7 for pi?

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More answers

anonymous
  • anonymous
Here are my answer choices 12π cubic inches 24π cubic inches 36π cubic inches 48π cubic inches
triciaal
  • triciaal
do not substitute for pi replace r with 3 and compute.
anonymous
  • anonymous
Wait i don't get it :(
triciaal
  • triciaal
as before , you need to read
triciaal
  • triciaal
|dw:1446362968465:dw|
triciaal
  • triciaal
leave pi as pi simplify the rest the answer will be that number*pi
anonymous
  • anonymous
So i do 3 * pi
anonymous
  • anonymous
Is it 48n cubic inches?
triciaal
  • triciaal
|dw:1446363122642:dw|
anonymous
  • anonymous
Is it 48n cubic inches?
triciaal
  • triciaal
NO
anonymous
  • anonymous
Mannnnn!!! okay i'll work the problem out again
triciaal
  • triciaal
slow down and pay attention you will go much further
triciaal
  • triciaal
|dw:1446363369553:dw|
triciaal
  • triciaal
what is 4 times 9?
anonymous
  • anonymous
36 omg that's the answer!
anonymous
  • anonymous
Does Anyone else agrees? i really need to pass math @CShrix @bibby
anonymous
  • anonymous
\(\large V=36 \pi~in^3\) The correct work is shown by triciaal.
bibby
  • bibby
not exactly. you're missing a pi
anonymous
  • anonymous
Do you understand, @Samirah16 ?
anonymous
  • anonymous
Not really @CShrix
anonymous
  • anonymous
The volume of a full uniform sphere is ALWAYS: \(\huge V=\frac{ 4 }{ 3 }\pi r^3\) That needs to be memorized at this point. It gives you that r is 3 inches. All you have to do is plug in 3 for r into the equation, yeah? \[\huge V=\frac{ 4 }{ 3 }\pi (3)^3\] Notice that you answer still has \(\pi\) in it, so you leave it in terms of \(\pi\). No touchy. So let's look at the rest of it \[\frac{4}{3}3^3=36\] So our full answer is \(V=36\pi\) inches cubed
anonymous
  • anonymous
oohhh okay i see it now thanks @CShrix and @triciaal
anonymous
  • anonymous
No problem! Glad to help

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