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guajiro [1.7K]
3 years ago
13

a large balloon in the shape of a sphere is being filled with helium. The balloon has a radius of 1 foot. Helium costs $0.80 per

cubic foot. What is the cost of filling the balloon with helium?
Mathematics
1 answer:
zhenek [66]3 years ago
4 0

Answer:

$3.35

Step-by-step explanation:

volume of balloon in the shape of sphere= 4/3 * pi * r^3 = 4.189 cubic foot

cost of 1 cubic foot of helium = 0.8

cost of 1 * 4.189 cubic foot of helium = 0.8 * 4.189 = 3.35

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