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Mathematics 21 Online
OpenStudy (anonymous):

How do you determine if y varies directly with x?!?!

OpenStudy (anonymous):

OpenStudy (anonymous):

You can determine it by seeing if y/x = a constant value. 9/27 = 0.4 10/30 = 0.4 20/60 = 0.4 So yes, it vary directly.

OpenStudy (anonymous):

So what exactly did you do?

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