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Mathematics 14 Online
OpenStudy (help!!!!):

Help find the equation! Answer is r=-6/5, r=1/5. Will medal and fan

OpenStudy (help!!!!):

In a geometric sequence: \[a _{1}=20, S _{3}=124/5 \]

OpenStudy (help!!!!):

Find r. Also S= summation

OpenStudy (help!!!!):

@YoungStudier @.Sam. @Cat @CandyCove @Hero @ILovePuppiesLol @johnweldon1993 @mathmath333 @narissa @pooja195 @Preetha @sleepyjess @SnuggieLad @xapproachesinfinity @rebeccaxhawaii Help me out!

OpenStudy (help!!!!):

This is what I got so far... |dw:1464189507482:dw|

OpenStudy (help!!!!):

So I used this formula|dw:1464189629432:dw|

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