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6 October, 07:47

What is the 89th term of term of the aritmetic sequence - 1 3 7 11

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Answers (2)
  1. 6 October, 08:40
    0
    351

    Step-by-step explanation:

    The formula for this sequence is a=4n-5

    4 x 89 = 356.

    356 - 5 is 351
  2. 6 October, 10:23
    0
    351

    Step-by-step explanation:

    we notice that the sequence follows a simple + 4.

    Thus we can devekop a simple relation

    f (n) = 4x - 5

    The - 5 is simply so the sequence starts at - 1

    f (89) = 4 (89) - 5

    = 351
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