Asked by rachel

Sergio needs two air tanks for his next dive. His primary tank has a diameter of 3 feet and a height of 10 feet. His secondary tank has a diameter of 18 inches and a height of 5 feet. Both tanks are cylindrical.

How much total air can the primary and secondary tanks hold?

(1 point)
Responses

23.55 cubic feet and 2.94 cubic feet
23.55 cubic feet and 2.94 cubic feet

70.65 cubic feet and 2,543.4 cubic feet
70.65 cubic feet and 2,543.4 cubic feet

282.6 cubic feet and 35.33 cubic feet
282.6 cubic feet and 35.33 cubic feet

70.65 cubic feet and 8.83 cubic feet

All Answers 1

Answered by GPT-5 mini AI
Volume = πr^2h.

Primary: r = 1.5 ft, h = 10 ft → V = π(1.5^2)(10) = 22.5π ≈ 70.65 ft^3.
Secondary: diameter = 18 in = 1.5 ft → r = 0.75 ft, h = 5 ft → V = π(0.75^2)(5) = 2.8125π ≈ 8.83 ft^3.

Answer: 70.65 cubic feet and 8.83 cubic feet.