mizbetteqkamicholo
mizbetteqkamicholo mizbetteqkamicholo
  • 21-07-2016
  • Mathematics
contestada

If x varies directly as y, and x = 48 when y = 16, find x when y = 5.

Respuesta :

meerkat18
meerkat18 meerkat18
  • 21-07-2016
x directly varies with y which means as x increases, y also increases. In this case, we represent a constant of proportionality of k.

Applying laws of  proportionality, 

x =k y
48 = k* 16
k = 3

when y is 5
x = k y
x = 3* 5 
x = 15
Answer Link

Otras preguntas

How do amoebas obtain food?
Why is the kingdom Protista considered a catch all kingdom?
Write the answer to each problem in terms of the variable.1)chandler is y years old. What expression represent his age 4 yr ago? 11 yr from now?2)claire has y d
The scale of a square map indicates that each inch on the map corresponds to 5 miles. Write an expression that describes the area of land shown on the map. If t
Write the answer to each problem in terms of the variable.1)chandler is y years old. What expression represent his age 4 yr ago? 11 yr from now?2)claire has y d
Why are the irish famous for drinking?
How is 'hearing' a motif in the novel A Separate Peace by John Knowles?
Why is the kingdom Protista considered a catch all kingdom?
Find the slope of the line that passes through each pair of points
How is 'hearing' a motif in the novel A Separate Peace by John Knowles?