Register
Find the arithmetic series a=2 d=5 n=20 find Sn
7.2k views
5 votes
Find the arithmetic series a=2 d=5 n=20 find Sn

User Scottfrazer
by
5.1k points

1 Answer

9 votes

Explanation:

Sn=n/2{2a+(n-1)d}

=10(4+95)

=10(99)

=990

User Izlin
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!