Register
PLEASE EXPLAIN The 4th term in a geometric sequence is -15, the 5th term is 45 and the 6th term is -135. Find the sum of the first 7 terms. a) -105 b) -101 1/9 c) 305 d) 303 8/9
111k views
3 votes
PLEASE EXPLAIN

The 4th term in a geometric sequence is -15, the 5th term is 45 and the 6th term is -135. Find the sum of the first 7 terms.

a) -105
b) -101 1/9
c) 305
d) 303 8/9

User Kirill Kitten
by
6.9k points

1 Answer

2 votes
hello here is a solution : 
PLEASE EXPLAIN The 4th term in a geometric sequence is -15, the 5th term is 45 and-example-1
User Ken Keenan
by
8.0k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!