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14 April, 22:38

What is the 30th term of the arithmetic series 3,7,11 ... ?

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  1. 14 April, 23:36
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    The arithmetic sequence given has a first term (a1) equal to 3 and common difference (d) equal to 4. The nth term of an arithmetic sequence is calculated through the equation,

    an = a1 + (n - 1) x d

    Substituting the known values,

    a30 = 3 + (30 - 1) x 4 = 119

    Thus, the 30th term of the sequence is 119.
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