MathyMcMathster
MathyMcMathster MathyMcMathster
  • 12-05-2021
  • Mathematics
contestada

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

Respuesta :

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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