chasejwalton chasejwalton

22-10-2021
Mathematics

contestada

If y varies directly with x which equation describes x = 72 and y = 36?

Respuesta :

clarch19 clarch19

22-10-2021

Answer:

k = 1/2

Step-by-step explanation:

direct variation equation is y = kx where 'k' is the constant of variation

substitute 36 for 'y' and 72 for 'x' to get:

36 = 72k

solve for 'k' to get:

k = 36/72 or k = 1/2

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