jesusenciso19 jesusenciso19
  • 21-01-2020
  • Mathematics
contestada

Suppose y varies directly as x, and y =16 when x= 8. Find y when x= 16

Respuesta :

sam4040
sam4040 sam4040
  • 27-01-2020

Answer:

[tex]y=32[/tex]

Step-by-step explanation:

[tex]Given\ y\ varies\ directly\ as\ x.\\\\y=kx\ \ \ \ \ (where\ k\ is\ a\ constant)\\\\Given\ y=16\ when\ x=8\\\\Substitute\ these\ two\ values\\\\16=k\times 8\\\\k=\frac{16}{8}\\\\k=2\\\\Hence\ y=2x\\\\Now\ take\ x=16\\\\y=2\times 16\\\\y=32[/tex]

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