Multiple Choice
Water is pouring into a conical cistern at the rate of 16 cubic feet per minute. If the height of the cistern is 21 feet and the radius of its circular opening is 7 feet, how fast is the water level rising when the water is 16 feet deep? Round answer to nearest hundredth.
A) 0.10 ft/min.
B) 0.52 ft/min.
C) 0.18 ft/min.
D) 1.47 ft/min.
Correct Answer:
Verified
Correct Answer:
Verified
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