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Mathematics 15 Online
OpenStudy (anonymous):

how would i go about multiplying 11/2(25)^-1/2+3/2(25)^1/2 without a calculator.

OpenStudy (anonymous):

25^(-1/2) is a fifth and 25^(1/2) is 5 so 55/2 - 3/10 = 136/5

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