cjorrd
cjorrd cjorrd
  • 24-09-2018
  • Mathematics
contestada

The third term of an arithmetic sequence is 21, and the eighth term is 56. The first term is_______

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QueenxBoujee
QueenxBoujee QueenxBoujee
  • 24-09-2018

The first term is 7 because they both can be divided by 7.

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