Donathan828 Donathan828
  • 27-12-2021
  • Mathematics
contestada

suppose y varies directly as x. suppose also that y=34 when x=17. find y when x=56.

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sqdancefan
sqdancefan sqdancefan
  • 27-12-2021

Answer:

  112

Step-by-step explanation:

We can write the equation for the direct variation:

  y = kx

  34 = k(17)

  34/17 = k = 2

Then for the new x-value:

  y = 2(56) = 112

The value of y is 112 when x = 56.

__

Or, we can write the relation as a proportion:

  y/56 = 34/17

  y = 56(34/17) = 112

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