math

a variable y varies directly as the square root of a varies x,and equals 6 when x=4 find y when x=25

  1. 👍
  2. 👎
  3. 👁
  1. y = k sqrt x

    6 = k (2)
    k = 3

    y = 3 sqt x
    y = 3 (5)

    y = 15

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra worksheet

    Hello. My algebra teacher gave me this worksheet last week and everyone had to bring it yesterday and I haven't done it yet. Can someone please help me. He said Friday is the last day or he's going to take away some points. I've

  2. math

    find the equation that meets the given conditions: a varies directly as the square of r and a=9 pie when r=3

  3. Math

    Write an equation to describe the variation. Use k for the constant of proportionality. x varies directly as the square of y and inversely as z

  4. variation

    Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s

  1. math

    Write an equation to describe the variation. Use k for the constant of proportionality. The variable y varies directly with x and inversely with the square of z. Group of answer choices

  2. wcccd

    The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.3 s when the length is 2 ft, find

  3. Pre-Algebra

    If y varies directly with x, find the constant of variation with x = 4 and y = -24 If y varies inversely with x, find the constant of variation with x=5 and y = 10 If y varies directly with x, and y = 35 when x = 5 , find x when y

  4. College Algebra

    The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its length. If a pendulum 12 feet long has a period of 4 seconds, find the period of a pendulum 3 feet long.

  1. math

    P varies directly as the square root of q. P=8 when q =25 find p when q = 100

  2. Please Help!! Math

    If c varies directly as the square root of d, and c = 14 when d = 64, find c when d = 324.

  3. Math

    Y varies directly as the square of x and y=96 when x=4 find the value of y when x=5

  4. Math

    M varies directly as the square of N. If N increases by 10%, find the percentage change in M

You can view more similar questions or ask a new question.