A hemisphere. The formula for a hemisphere is V = (2 / 3)πr^3<span>. r is the radius. if you are given a radius, plug it into the formula to find the answer if a radius is given. </span>
Answer:
3 buses and 5 cars
Step-by-step explanation:
Answer:
A:
p = 65s, 0《s《20
p = 1300, s > 20
B:
p = 300 + 40s, s》0
C:
p = 900
Step-by-step explanation:
Salmesman A:
p = 65s
65s = 1300
s = 20
Salesman B:
p = 300 + 40s
Salesman C:
p = 900
Answer:
x = -2, y = -2
Step-by-step explanation:
Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.
After that I solve for x and got x=-2.
I used x=-2 and plugged it back into either of the equation to solve for y.