Answer:
n + 6 = 3n
Step-by-step explanation:
n + 6 = 3n
6 = 3n -n
6 = 2n
n = 3
Answer:
7/(3a-1)
Step-by-step explanation:
I have tried to show the steps in the attached image,
if you need further explanation please let me know.
If i'm mistaken; he needs to buy 3 sheets?
20( -1.5r + 0.75)
Multiply everything by 20
= -30r + 15
Answer:
803.84 in^3
Step-by-step explanation:
First of all we have to find the base area
base area = radius^2 x 3.14 = 8^2 x 3.14 = 64 x 3.14 = 200,96 in^2
the volume can be find with this formula:
V = (base area x height)/3
V = (200.96 x 12)/3 = 803.84 in^3