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20 April, 09:29

What is the 25th term of the arithmetic sequence - 3,4,11,18,25

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Answers (2)
  1. 20 April, 09:32
    0
    165.

    Step-by-step explanation:

    The nth term is an = a1 + (n - 1) d.

    The common difference (d) is 7 and the first term (a1) is - 3, so the 25th term

    = a25 = - 3 + (25-1) * 7

    = = 3 + 24*7

    = 165.
  2. 20 April, 09:54
    0
    165

    Step-by-step explanation:

    the 25th term is got from getting the first term - 3 plus (24th term multiplied by the common difference which is 7)
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