destiniejuers0
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  • 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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