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1 December, 00:10

What is the nth term of the sequence: 11,15, 18, 23, 27 ...

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  1. 1 December, 01:56
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    an = 11 + 4 (n-1)

    Step-by-step explanation:

    for an arithmetic sequence

    an = a1+d (n-1)

    where n is the term number

    a1 is the first term

    and d is the common difference

    a1 = 11

    d = 15-11 = 4

    we are increasing by 4 each time

    an = 11 + 4 (n-1)
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