Please help me hurry!! 8

asked Jun 11, 2022 135k views

3 votes

by Janez

3.6k points

Please log in or register to add a comment.

6 votes

R=7

Explanation I just calculate it

Lord Null answered Jun 12, 2022

3.7k points

6 votes

Answer:

r = 7

Explanation:

$a =5\\\\a_(3)=245\\\\a_(n)=ar^(n-1)\\\\a_(3)= 5*r^(2) \\\\5*r^(2) = 245\\\\r^(2)=(245)/(5)\\\\r^(2)=49 = 7^(2)\\\\r = 7$

3.5k points

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

3.8m questions

4.8m answers