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19 September, 15:41

What is the 13th term in the arithmetic sequence described by this explicit formula? a (n) = 84 + (n - 1) (-6)

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  1. 19 September, 17:27
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    12

    Step-by-step explanation:

    Just place 13 instead of n.

    a (13) = 84 + (13 - 1) (-6)

    = 84 + (12) (-6)

    = 84 + (-72)

    = 84 - 72

    = 12 (Answer)
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