childishhhhh childishhhhh
  • 16-06-2016
  • Mathematics
contestada

If y varies directly as x, and y is 48 when x is 6, which expression can be used to find the value of y when x is 2?

Respuesta :

hartnn
hartnn hartnn
  • 16-06-2016
If y varies directly as x,
y = kx


when y = 48,  x = 6
plugging this in y = kx

48 = k*6
k = 48/6 = 8.

when x = 2,
y = kx = 8*2 = 16

so I think the expression you're looking for is:
 y = 8*2 or y = (48/6)*2.
Answer Link
melissamedina5934 melissamedina5934
  • 30-05-2019

the answer for your question is 48/6 ×2

Answer Link

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