jacielposada jacielposada
  • 03-09-2018
  • Mathematics
contestada

y varies inversely as x. if x = 7 then y = 6. Find y when x = 4.

Respuesta :

smmwaite
smmwaite smmwaite
  • 03-09-2018

Answer

10.5


Explanation

Y varies inversely as x

Y ∝ 1/x

Y = k/x  K is the the constant of variation

k = Yx

   = 6 × 7 = 42

Y = 42/x

Y = 42/ 4

  = 10.5

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