Seudónimo Seudónimo
  • 12-12-2016
  • Mathematics
contestada

y varies directly with x, and y = 9 when x = 2. What is the value of y when x = 3?

Respuesta :

bcalle
bcalle bcalle
  • 12-12-2016
direct variation equation is y = kx where k is the constant of variation.
First use the x and y you are given to find the k.
9 = k * 2
9/2 = k
Then use the k and new x to find the y.
y = (9/2)(3)
y = 27/2
Answer Link

Otras preguntas

What is the standard equation of this hyperbola?4x2 = 36 + 9y2
What is the standard equation of this hyperbola?4x2 = 36 + 9y2
what do we mean when we say Q=ne please explain breifly ?
How do I solve 5+ 5\5 + 5x5-5
A 50 meter path surrounds a rectangular garden . The width of the garden is two-thirds its length. find its area.
A number of students were asked this question: “How many cousins do you have?” The lowest answer given was 6. The highest answer given was 20. The total of all
How is the location of chloroplasts consistent with the function of leaves?
name the enzyme secreted by gastric glands in stomach that acts on proteins/
sentence has one word that is incorrect. 24 People have to be a certain hight before they are allowed to go on the ride.
how can wind be a torrent of darkness