Mathematics, 05.02.2021 08:00, Nessakona1

A formula for determining the finite sum, S, of an arithmetic sequence of numbers is S = (a + b), where n is the number of
terms, a is the first term, and b is the last term. Express b in
terms of a, S, and n.
PLEASE HELP ME!!!

A formula for determining the finite sum, S, of an arithmetic

sequence of numbers is S = (a + b),

Answers: 3

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A formula for determining the finite sum, S, of an arithmetic sequence of numbers is S = (a + b), w...