lsiapno28 lsiapno28

18-09-2020
Mathematics

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Write an equation for the nth term of the arithmetic sequence. Then find a50.
26, 22, 18, 14, ...

Write an equation for the nth term of the arithmetic sequence Then find a50 26 22 18 14 class=

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Cytokine Cytokine

18-09-2020

First, we need a few things.

The first term = 26

The common difference = 22 - 26 = -4

26 - 4(n - 1) is our equation.

Let's plug 50 into n to find a50

a50 = 26 - 4(50 - 1)

a50 = 26 - 4(49)

a50 = 26 - 196

a50 = -170

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