Answer:
Step-by-step explanation:

Answer:

Step-by-step explanation:
The formula of a surface area of a cylinder:

r - radius
H - height
We have r = 40mm and H = 50mm. Substitute:

Answer:
The answer is the 59 gallons per 13 minutes.
Step-by-step explanation:
the first tank is filling at a rate of 175 gallons per hour because 60/12 is 5 and 35*5 is 175. the second tank is filling at a rate of 272.3 gallons per hour because 60/13 is 4.6 and 59*4.6 is 272.3
Answer:
10/10
Step-by-step explanation:
30 hours. Just multiply 10 by 15 to get 150 and then 2 times 15 is 30.