Answer:
16
Step-by-step explanation:
10 + sqrt(y) = 14
Subtract 10 from each side
10 -10+ sqrt(y) = 14-10
sqrt(y) = 4
Square each side
(sqrt(y)) ^2 = 4^2
y = 16
81.25 / 125 = 0.65
so 65 %
to check 65% * 125 = 81.25
hope this helps ;)
Answer:
Step-by-step explanation:
u need 20 pieces of copper tube...each one 5 ft long...
so u need a total of (5 * 20) = 100 ft.
if the pipe comes in 10 ft lengths, u would need (100/10) = 10 lengths
