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25 September, 20:32

Find the 18th term of the sequence 5, 8, 11, 14, 17 ... 53 56 59

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  1. 25 September, 20:53
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    Adds 3 each time

    first term is 5

    an=a1+d (n-1)

    d=common difference

    a1=first term

    an=5+3 (n-1)

    18th term

    a18=5+3 (18-1)

    a18=5+3 (17)

    a18=5+51

    a18=56

    The answer is 56
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