Math

posted by .

If y is directly proportional to x and inversely proportional to z^2, by what value is y multiplied if x is doubled and z is multiplied by 3

  • Math -

    y=kx/z^2

    so if x is doubled, z is tripled, then ynew is =y old*2/9

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Pre Cal

    If x varies directly as y62, inversely as z, and inversely as the square root of w, what happens to x when y is multiplied by 3, z is doubled, and w is quadrupled?
  2. physical science

    the wavelength of an electromagnetic wave is ____________. a. directly proportional to its frequency b.inversely proportional to its velocity c. inversely proportional to its frequency d. none of the above
  3. MAT115

    which pair of fractions is proportional A)0.8/0.4=3.2/2 B)0.6/0.3=0.9/0.45 C)0.8/0.4=3.2/2.4 D)0.8/0.4=4/2.4 I thought B was correct. to get this i multiplied 0.6 *0.45=.27 multiplied 0.3 *0.9=.27 Am I on the right track?
  4. physics

    If two different masses have the same kinetic energy, their momenta are: 1. inversely proportional to their masses 2. inversely proportional to the square roots of their masses 3. proportional to the squares of their masses 4. proportional …
  5. college math

    A quantity, W, is directly proportional to x and the square of y and inversely proportional to the cube of z. W-3 when x=4,y=2 and z=4. What is the value of w, when x=5, y=5 and z=4. Give answer to three decimal places. Thanks so much!
  6. college math

    A quantity, W, is directly proportional to X and the square Y, and inversely proportional to the cube of Z. W=3 when X=4, Y=2 and Z=4. What is the value of W when X=8, Y=9 and Z= 6?
  7. chemistry

    According to Boyle, pressure and volume of a confined gas are ____ proportional, and according to Charles, the volume of a gas at a constant pressure is____ proportional to its Kelvin temperature. A. directly; inversely B. directly; …
  8. Physics

    How does the electrical force relate to the charge of an object?
  9. Math

    This table shows the number of hours Harry spent watching television and the hours he spent doing his homework on three days last week. hours of tv: 1.5 2 3 hours of homework: 2 1.5 1 What kind of relationship do these data appear …
  10. Math Ratios

    Suppose A is directly proportional to B, B is inversely proportional to C and C is inversely proportional to D. Determine whether A and D are directly proportional, inversely proportional, or neither.

More Similar Questions