• Accueil
  • Math
  • Zvaries jointly as the square root of the product...

Zvaries jointly as the square root of the product of x and y. if z=3 when x=3 and y=12, find the x when z=6 and y =64

Answers

  • Réponse publiée par: joyce5512
    Z = k√xy
    k = z/√xy
    = 3/√(3)(12)
    = 3/√36
    = 3/6
    k = 1/2 is our constant...

    When z = 6 and y = 64 find x.

    z = k√xy

    6 = 1/2√x(64)
    6 = 1/2√64x
    6 = 1/2(8)√x
    6 = 8/2√x
    6 = 4√x
    4√x = 6
    (4√x)² = (6)²
    16x = 36
    16x/16 = 36/16
    x = 9/2
Connaissez-vous la bonne réponse?
Zvaries jointly as the square root of the product of x and y. if z=3 when x=3 and y=12, find the x w...