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6 July, 09:40

Determine the nth term for each of the following sequences:16,15,14,13,12, ...

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  1. 6 July, 09:59
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    F (n) = 1st term - common difference (n - 1)

    The operation is subtraction because the sequence is decreasing.

    n = number of the term you are looking for

    1st term = 1st number in the sequence, in this case, 16

    common difference = difference between one number to the next

    f (n) = 16 - 1 (n-1)

    Assuming we are looking for the 5th term.

    f (5) = 16 - 1 (5-1)

    = 16 - 1 (4)

    = 16 - 4

    = 12 * as you can see, 12 is the 5th term of the sequence.

    If you are looking for the equivalent of the nth term, simply substitute n by the number you are looking for and solve the equation.
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