Hi,
To find the volume of cylinder this formula is required.

To get radius you need to divide diameter with 2 like this.

Now just put your values into formula.

You will need 653451.27 cubic centimetres of concrete.
Hope this helps.
r3t40
The answer is D. -15 because I am assuming that the vertical lines mean brackets, and we have to work out the brackets first (according to BIDMAS). Doing so, -6 + 2 = -4 and -4 + -11 = -15.
Answer:
x=2.5 cups are needed for 2 pies
Step-by-step explanation:
4/5 or 0.8
Fraction form: 4/5x = 2 x= 5/4
Decimial form: 0.8x = 2 x = 2.5
Mixed number form: 2 1/2
Hope that helped :)