bbeyond13 bbeyond13
  • 22-12-2014
  • Mathematics
Answered

1,3,6,10,15,21,28,36,45,55,66,78
Describe the pattern shown above



Answer :

jaimi412
jaimi412 jaimi412
  • 22-12-2014
1+2=3
3+3=6
6+4=10
10+5=15
So on..

When increasing in numbers, it adds 1 more than the last. 
Answer Link
AL2006
AL2006 AL2006
  • 22-12-2014
The nth term is the [ (n-1)th term + n ] .
Answer Link

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