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March 29, 2015

Homework Help: Math

Posted by Aliza on Monday, January 21, 2013 at 5:16am.

Find the no. of terms
1. 3,5,7...33
2.-5,-1,3,...75

Solve each problem.
1. In the Arithmetic sequence 5,8,11,14.... what is n if a sub n is 32?
2.Find the sum of the first 20 terms of the arithmetic sequence -15,-7,31,43...

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