Answer:
32 minutes
Step-by-step explanation:
44-12=32
Answer:
Height is 21cm
Step-by-step explanation:
Volume of the cylinder = 1029pi
Base area = 7x7xpi = 49pi
Therefor the height = 1029pi/49pi=1029/49 = 21cm
It would be:1/x = 1/40+1/52 = 13+10/520 = 23/520
x = 520/23 = 22.60 minutes
Answer:
Hope this helps
Step-by-step explanation:
Answer:
x=19
Step-by-step explanation:
(7x+7) + (2x+2) = 180
9x + 9 = 180
9x=171
x=19