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13-03-2020
Mathematics

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A weather balloon pops and falls to Earth. The distance the weather balloon will fall is 15 feet the first second, 45 feet the next second, 75 feet the third second, and so on in an arithmetic sequence. What is the total distance the weather balloon falls in 8 seconds?

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13-03-2020

Answer:

960 feet

Step-by-step explanation:

15 + 45 + 75 + 105 + 135 + 165 + 195 + 225 = 960

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