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OpenStudy (anonymous):
Given ratio=3x first term=1 and infinite sum=4/9 determine the value of x
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OpenStudy (anonymous):
3x or 3 ???
OpenStudy (anonymous):
so... 1/1-3x= 4/9 ===>9=4-12x
OpenStudy (anonymous):
how did you get 9=4-12x?
OpenStudy (anonymous):
sum of an finite gp is a/1-r
OpenStudy (anonymous):
I'm still not sure how you got to that answer
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OpenStudy (bibby):
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