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Mathematics 7 Online
OpenStudy (anonymous):

Determine wether y varies directly with x. If so, find the constant of variation k and write the equation. x=6,11,16,21. y=7.2,13.2,19.2,25.2 a. yes;k=1.2; y=1.2x b.yes k=5 c. yes k=6 d.no

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