Question

Question Below

Answer 1

A couple questions, actually. Please show me how to do these.

Answer 2

you trying to find the volume for both? if So:

Answer 3

Yes

Answer 4

I couldn't see the diagram for the CD, but are they considering the hole in the middle?

Answer 5

yes, and the radius of that hole is .75cm, and the line from the line of the circle to the outside of the hole is 5.25cm.

Answer 6

Thanks for your help!

Answer 7

no problem :)... ok, here we'll have to find the area of both circles, the big one and the smaller one. You know the radius of the smaller circle; and the bigger one, is pretty much given as well. Could you find the areas?

Answer 8

how's it going?

Answer 9

this is what I got, two distinct ways of getting the volume for the stack of CD's...
... I'll wait like 15 min, then just post. If you got questions ask.

Answer 10

Hmm...

Answer 11

Not sure. Could you show me?

Answer 12

what I did first was to find the areas of the two circles as shown in the figure. Any questions with my steps?

Answer 13

Sorry for the very late reply, but no! That was fine! Thank you very much!