cammmi34131 cammmi34131
  • 08-03-2019
  • Mathematics
contestada

If the 15th term of the arithmetic sequence is 12, and the 14th term is 21, find the common difference of the sequence.

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antonioc2121 antonioc2121
  • 16-03-2019

Answer:

9

Step-by-step explanation:

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