federicocraig federicocraig

11-04-2017
Mathematics

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

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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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