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7 November, 08:03

Find a formula for the nth term

of the arithmetic sequence.

First term 2.5

Common difference - 0.2

an = - 0.2n + [?]

+5
Answers (1)
  1. 7 November, 11:06
    0
    An=-0.2n+2.7

    Explanation is you have to go back to the zero term and if the common difference is - 0.2 you would just add 0.2
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