Homework Help: Algebra 2

Posted by natasha on Tuesday, February 26, 2013 at 12:58pm.

a.) the number of terms
b.) the first term
c.) the last term
d.) evaluate the sum

5
E (3+n)
n=1

8
E 2n/3
n=1

I dont know what the symbol is for the equation but it looks like an "E"

Algebra 2 - Steve, Tuesday, February 26, 2013 at 2:46pm
It's a capital Sigma: ∑

What's the trouble? These look pretty straightforward. Plug in a value for n to get any term.

Add up the values to get the sum.

Answer this Question

Related Questions

maths - 1) The first term of arithmetic progression is -20 and the sum of it'...
Math - 1) If the sum of the first n terms of a series is Sn where Sn=2n²-n...
math - 1) If the sum of the first n terms of a series is Sn where Sn=2n²-n...
Math - The sum of the first seventeen terms of an arithmetic series is 493 The ...
maths - The thirteenth term of an arithmetic progrssion os 27 and the seventh ...
maths - The thirteenth term of an arithmetic progrssion os 27 and the seventh ...
Geometric - 1) The sum of last three terms of GP having n terms is 1024 time the...
math - The first and seventh terms of a sequence are both 8. Starting with the ...
Maths - 1) In the arithmetic progression, the 8th term is twice the 4th term and...
maths - the sum of first 8 terms of an arithmetic progression is 156.the ratio ...

For Further Reading

First Name:
School Subject:
Answer: