2 years ago

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

Mathematics

1 answer:

Karo-lina-s [1.5K]2 years ago

5 0

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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