mary188 mary188
  • 13-12-2016
  • Mathematics
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What's the pattern in 30 21 12 3 -6

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jkwon23 jkwon23
  • 13-12-2016
 [tex]a_b=39 - 9b[/tex]
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LilyLikesMusic
LilyLikesMusic LilyLikesMusic
  • 13-12-2016
The pattern is Subtract 9 from the previous number to get the next number
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