isabella0311
isabella0311 isabella0311
  • 06-12-2019
  • Mathematics
contestada

Y and x have a proportional relationship, and y=12 when x=8. What is the value of x when y=18?

Respuesta :

JohnHyunWooKim JohnHyunWooKim
  • 08-12-2019

Answer:

x = 12

Step-by-step explanation:

Proportional relationship means that [tex]\frac{y}{x}[/tex] = k(a constant)

Here, k = 12/8 = 3/2

So, the equation is [tex]\frac{y}{x}[/tex] = 3/2.

Plug in y = 18, and we get 18/x = 3/2.

18 = 3/2x

x = 12

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ANNIE372762
ANNIE372762 ANNIE372762
  • 10-12-2019

Answer:

x=12

its 12 because i took the quiz

Answer Link

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