Answer:
8
Step-by-step explanation:
12-10=2
10-m=2
m=8
Answer:c
Step-by-step explanation:
Answer:
x = 4
Step-by-step explanation:

Multiply both sides of the equation by 3
7 + 2x = 15
Subtract 7 from both sides of the equation
2x = 8
Divide both sides of the equation by 2
x = 4
Hope this helps :)
Answer:
1072.3
Step-by-step explanation:
A hemisphere is half of a sphere, so the volume V of the hemisphere is the volume of the sphere divided by 2.
V = (2/3)*

= (2/3)*

= (2/3)*
*512
= 1072.3