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Mathematics 10 Online
OpenStudy (anonymous):

Can you help me with homework

OpenStudy (anonymous):

What's the question?

OpenStudy (anonymous):

If R is the total resistance for a parallel circuit with two resistors of resistance r1 and r2, then 1/R=1/r1+1/r2. Find the resistance r1 if the total resistance R is 20 ohms and r2 is 55 ohms. Round your answered to the nearest ohm if necessary.

OpenStudy (cggurumanjunath):

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