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The harmonic mean of AB is 1/3and CD is 1/5 what is the harmonic mean of ABCD |
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Answer» Answer: Step-by-step explanation: To find the harmonic mean of a set of n NUMBERS, add the RECIPROCALS of the numbers in the set, divide the sum by n, then take the RECIPROCAL of the result. mark me as BRAINLIEST |
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