+0  
 
+1
100
3
avatar+13 

find the missing numbers

305,326.5,___,361.5,___...

this is a geometeric sequence

DarkCalculis  Aug 31, 2017
Sort: 

2+0 Answers

 #1
avatar+78577 
+1

 

 

This can't be geometric, DC, because the ratio, r, between terms isn't constant

 

To see this

 

305r = 326.5   →  r  ≈  1.07049

 

But

 

305r^3  = 361.5 → r = 1.05829

 

 

cool cool cool

CPhill  Aug 31, 2017
 #2
avatar+13 
0

oh... so that explains it my notes where wrong

DarkCalculis  Aug 31, 2017

9 Online Users

avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details