23-06-2016
Mathematics

contestada

Given that y varies directly with x, what is the equation of direct variation if y is 3 when x is 7?

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olemakpadu olemakpadu

26-06-2016

y α x

y = kx

3= k*7

3 = 7k

3/7 = k

k = 3/7

Relationship is y = kx , that is y = (3/7)x

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