b(1)=−2 b(n)=b(n−1)−7 What’s the 3rd term in this sequence?

Question

b(1)=−2 b(n)=b(n−1)−7
What’s the 3rd term in this sequence?

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Caroline 3 weeks 2021-09-19T02:56:07+00:00 1 Answer 0

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    2021-09-19T02:57:31+00:00

    Answer:

    -16

    Step-by-step explanation:

    You have given the nth term:  It is equal to the previous term, less 7.

    Thus, b(1) = -2 (given)

              b(2) = b(1) – 7, or b(2) = -2 – 7, or b(2) = -9

    Then   b(3) = b(2) – 7, or b(3) = -9 – 7 = -16

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45:7+7-4:2-5:5*4+35:2 =? ( )