federicocraig
federicocraig federicocraig
  • 11-04-2017
  • Mathematics
contestada

In this particular arithmetic sequence, a7 = 34 and a15 = 74. What is the value of a21?

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DarkPrime
DarkPrime DarkPrime
  • 11-04-2017
So i believe its  a21 = 109 a21 = 85 a21 = 108 a21 = 104.

So the answer would be 104 

Hope this helps
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