kathleen12
kathleen12 kathleen12
  • 15-08-2018
  • Mathematics
contestada

Determine the next number in the following sequence. Explain your reasoning. Please tell me what expression you used.
3,6,12,21...

Respuesta :

zyia486
zyia486 zyia486
  • 16-08-2018
30 because after 21 it goes up by 9
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