hope007 hope007

11-03-2017
Mathematics

contestada

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.
A(n)=-2+(n-1)(-2.2)

Respuesta :

camelliaguan3 camelliaguan3

12-03-2017

You can just insert 1, 4, and 10 for n.

A(1) = -2 + (1 - 1) * (-2.2) = -2
A(4) = -2 + (4 - 1) * (-2.2) = -8.6
A(10) = -2 + (10 - 1) * (-2.2) = -21.8

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