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4 April, 08:13

Find the 5th term of the

sequence: - 8,-1, 6, 13 ...

+4
Answers (2)
  1. 4 April, 08:15
    0
    20

    Step-by-step explanation:

    We need to determine what we are adding each time.

    Take the 2nd term and subtract the first term

    -1 - (-8)

    -1 + 8 = 7

    We add 7 each time

    To find the 5th term, add 7 to the 4th term

    the 4th term is 13

    13+7 = 20
  2. 4 April, 08:31
    0
    20

    Step-by-step explanation:

    a = - 8

    d = - 1 - (-8) = 7

    An = a + (n - 1) d

    A5 = - 8 + (5 - 1) (7)

    A5 = - 8 + 28

    20
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