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Mathematics 7 Online
OpenStudy (anonymous):

what is 1/r=1/r(subscript )+ 1/r(sub. 2)+1/r(sub. 3) solve for r(sub. 2) please explain..

OpenStudy (goformit100):

ok

OpenStudy (anonymous):

Can you draw the problem? I don't get what you are saying.

OpenStudy (anonymous):

|dw:1349236693532:dw|

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