+0  
 
0
180
4
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Find the value of b:

 

 Oct 28, 2022
 #2
avatar+118587 
+1

This is the infinite sum of a GP and it equals 7

Does that help?

 Oct 29, 2022
 #3
avatar
+1

I know that but I'm confused on how to solve it...

Guest Oct 29, 2022
 #4
avatar+118587 
+1

What is a?

What is r?

What is the formula. 

 

Plug a and r into the formula and put it equal to 7

 

Then solve.

Melody  Oct 29, 2022

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