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September 21, 2014

Homework Help: MATH

Posted by lYDIA on Sunday, January 16, 2011 at 12:06am.

In an arithmetic sequence, the first term is 100 and the sixth term is 85. Find the common difference. Then, find the 50th term of the sequence.

Do I use the formula an=a1+(n-1)d?
If so, what would my "n" by in the equation?

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