kary7373smith kary7373smith

25-10-2018
Mathematics

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What value must k take in order for the following expression to be greater than zero? 3/k - 5/7

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sergiu37 sergiu37

25-10-2018

It looks that 3/k must be greater than 5/7

so basically 21>5k. So k needs to be smaller than 4.2

And obviously greater than 0.

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