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The variables x and y are proportional use the values to find the constant of proportionality. Then write an equation that relates x and y.y=72 x=3y=20 x=12y=45 x=40

Respuesta :

Answer:

For y = 72 and x = 3

k = 1/24

For y = 20 and x = 12

k = 3/5

For y = 45 and x = 40

k = 8/9

Explanation:

Given that x and y are proportional,

[tex]x\propto y[/tex]

Then

[tex]x=ky[/tex][tex]k=\frac{x}{y}[/tex]

For y = 72 and x = 3

k = 3/72 = 1/24

For y = 20 and x = 12

k = 12/20 = 3/5

For y = 45 and x = 40

k = 40/45 = 8/9

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