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13 December, 02:01

Write an expression to describe the sequence. - 19, - 18, - 17, - 16, ...

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Answers (2)
  1. 13 December, 02:05
    0
    an=n-20

    Step-by-step explanation:

    c. d.=-18 - (-19) = 1

    a1=-19

    an=-19 + (n-1) 1=-19+n-1=n-20
  2. 13 December, 02:12
    0
    x + 1

    Step-by-step explanation:

    every time in the sequence one gets added to the number.
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