khiddkimble khiddkimble
  • 15-03-2019
  • Mathematics
contestada

If y varies directly as x, and y=14 when x=3.5 find y when x=2

Respuesta :

laurellee27
laurellee27 laurellee27
  • 15-03-2019

y = 8

y varies directly as x

y ∞ x

y=14 when x=3.5

y = kx

k is a constant, when multiplied by x, you get y

14 = 3.5k

Solve to find k:

14/3.5 = k

14/3.5 = 4

k = 4

y = 4x

Find y when x=2

y = 4x

y = 4(2)

y = 8

Answer Link

Otras preguntas

Can anyone help me? The directions are: Choose the correct conic section to fit each equation. Is it a Circle, Ellipse, Parabola, or Hyperbola? 1) x^2 + y^2 = 1
A polygon has 35 diagonals. How many sides does it have?
Is -4 a real number, rational, irrational, integer, whole or a natural number?
Find the standard equation of the circle that satisfies the conditions. Center (-1,-3), passing through the point (3,0)
four times the sum of a number and two increased by three is at least twenty seven
Mike is three times as old as his little sister, Mary. In 4 years, he will be twice as old as Mary. How old is Mary?
What is the slope of a line parallel to the line whose equation is y - x = 5? -1 1 5
hexagon is equal to the area of an equilateral triangle whose perimeter is 36 inches. Find the length of a side of the regular hexagon.
Why was France alarmed after the Belgium government seized the Congo from king leopold?
Find three arithmetic means between -2 and 12.