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.
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.
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