288
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Mathematics, 18.03.2021 01:50 harmonypowers7656
Find the sum of the first 9 terms of an arithmetic sequence where a1
= 8 and a9= 56?
288
64
72
486
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Answers: 1
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You know the right answer?
Find the sum of the first 9 terms of an arithmetic sequence where a1
= 8 and a9= 56?
288
288
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