lucosmeroyhealack
lucosmeroyhealack lucosmeroyhealack
  • 21-06-2016
  • Mathematics
contestada

If y varies directly as x, and y is 20 when x is 4, whats this relation?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 26-06-2016
y α x

y = kx

20 = k*4

20 = 4k

20/4 = k

5 = k

k = 5

Relation is y = kx ,  that is    y = 5x
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