destiniejuers0 destiniejuers0

04-05-2018
Mathematics

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What is the sum of a 54-term arithmetic sequence where the first term is 6 and the last term is 377

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Аноним Аноним

04-05-2018

Sn = (n/2) [a1 + l]

= 27[6 + 377]

= 20,682 Answer

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