isaugonzalez446 isaugonzalez446
  • 02-04-2018
  • Mathematics
contestada

If y varies directly as x and y = 14 when x = 7, find x when y is 30

Respuesta :

Em1l
Em1l Em1l
  • 02-04-2018
If directly proportional then y=kx so
14=k x (7) so k=2
Y=kx
Y=2x
30=2 x
Divide both by 2
X=15
Answer Link

Otras preguntas

How do you think soldiers at Fort Sumter felt when their fellow Americans attacked them?
At Cheng's Bike Rentals, it costs $46 to rent a bike for 9 hours. How many hours of bike use does a customer get per dollar? Answer each part. If necessary, rou
liliana decides to crop a square photo 2 inches on each side to fit it into a frame. the area of the original photo was 121 square inches. in the equation (x 2)
Acupressure or Acupuncture: Two Eastern Theraples by Michael Harold what is the authors point of view in paragraph 1 of the passage?
PLEASE HELP! URGENT!!Find the range of values of [tex]k[/tex] for which the line [tex]y=kx+k[/tex] intersects the curve [tex]x^{2} +y^{2} =8k\\[/tex]
when describing the differences affecting the pharmacokinetics of drugs administered to children, which would the nurse include?
In your own words, describe what an acceptable use policy is, and provide three examples of items that you might see on a policy pls help mom want to see my gra
Select the 2 values of X that are root of this equation X² + 2X (-6) = 0
In the diagram below, ΔABC ≅ ΔDEF. Complete the statement BC⎯⎯⎯⎯⎯⎯⎯⎯≅ B C ¯ ≅ ___
Question Simplify: (-12az2-22³)+(-2a³ +7a²z)-(-4a²z+8az²).