jillyfishloser479 jillyfishloser479

08-05-2020
Mathematics

contestada

Consider the arithmetic sequence where the 12th term is 41 and the 4th term is 1. a. Find the formula of the nthterm of the sequence. b. Find the sum of the first 20 terms.

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kaleighramsey16 kaleighramsey16

08-05-2020

The common difference is 6. The first term is x−d=37−6=31.

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