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Mathematics 8 Online
OpenStudy (anonymous):

@theEric @Hero Water is poured into a cylindrical container uintil it is one third full. What is the volume of the water? a. 45ð cm3 b. 90ð cm3 c. 45ð cm3 d. 60ð cm3

OpenStudy (anonymous):

OpenStudy (theeric):

What does the picture say? \(d=6h=15...\) Is there something after that? Or is that just \(15[cm]\)?

OpenStudy (anonymous):

It's just 15. =)

hero (hero):

You must be in the same class as @catsarecool1995

OpenStudy (theeric):

Anyway, the volume for a cylinder is the area of the circle times the height, so\[V=\pi\ r^2\ h\]

OpenStudy (anonymous):

Okay, the volume is 441.78

OpenStudy (theeric):

Now, the volume of the water is \(\frac{1}{3}\) that.

OpenStudy (anonymous):

That's 140. =)

OpenStudy (anonymous):

I mean 147.

hero (hero):

The result should be in terms of pi

OpenStudy (anonymous):

Okay!

OpenStudy (theeric):

I agree with Hero.

hero (hero):

You have two answer choices that are exactly the same. I'm pretty sure they're supposed to be all different.

OpenStudy (anonymous):

Alright! Got it now, I got 45ð cm3. Thank you both! =)

OpenStudy (theeric):

I agree! I got the cylinder's volume to be \(140.625\pi\) and \(\frac{1}{3}\) of that to be \(46.875\pi\)

OpenStudy (anonymous):

@Hero That's my sister! Yes, we are taking the same course. Today is the final day, we are doing the last assignment. Thank you for the help!

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