mac1749 mac1749
  • 10-11-2020
  • Mathematics
contestada

The value of y varies directly with x. When y = 85, x = 14. What is the value of y when x is 112?

Respuesta :

Muscardinus Muscardinus
  • 15-11-2020

Answer:

y = 679.952

Step-by-step explanation:

It is given that, the value of y varies directly with x.

y₁ = 85, x₁ = 14

[tex]y\propto x\\\\y=kx\\\\k=\dfrac{y}{x}\\\\k=\dfrac{85}{14}\\\\k=6.071[/tex]

We need to find the value of y when x is 112.

[tex]y=k\times x\\\\=6.071\times 112\\\\y=679.952[/tex]

So, the value of y is 679.952 when x is 112.

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