February 21, 2017

Homework Help: Algebra

Posted by Jess on Wednesday, April 3, 2013 at 3:20pm.

I have a few problems I need some help with.

The first is Evaluate the sum.
1. There is an E like symbol on the top is 10 on the bottom n=1 and to the right (7-2n)

2. The next question is find a10 for an arithmetic sequence with a1=6 and d=10

3. Find the number of terms in the series and then find the sum. Evaluate the sum.

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