MathyMcMathster MathyMcMathster

12-05-2021
Mathematics

contestada

In direct variation y = kx. What is the value of k if y = 20 and x = 4 ?

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julie2031 julie2031

12-05-2021

y = kx for fixed constant k
20 = k(4) --> 20 = 4k --> k=5

y = 5x

30 = 5x
x=6

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