November 29, 2015

Homework Help: Algebra

Posted by Jess on Wednesday, April 3, 2013 at 9:42pm.

I have 3 questions I'm stuck on and would love for someone to explain and show me how to solve them so I can also solve the other one.

Find the partial sum S6
1. An=3n+2

2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75.

3. Find the general term for 8,17,26,35,44......

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