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6 April, 11:33

Which of the following is the pyramidal number sequence?

A. 1, 3, 6, 10, 15, ...

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Answers (2)
  1. 6 April, 14:05
    0
    A

    Step-by-step explanation:

    because if you were to do dots in a triangle shape they would fit (i don't know if the makes any sense)
  2. 6 April, 14:47
    0
    A. 1, 3, 6, 10, 15,21

    Step-by-step explanation:

    they added 1 every time it continues
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