Ask Question
28 October, 17:31

If z varies directly as y and inversely as the square root of x, by how much should x be increased so that z is kept constant when y is increased by 15%? If z varies directly as y and inversely as the square root of x, by how much should x be increased so that z is kept constant when y is increased by 15%?

+4
Answers (1)
  1. 28 October, 18:01
    0
    32.25%

    Step-by-step explanation:

    The equation of variation is z = ky/√x

    When y is increased by 15%, we have value of y = 1.15y.

    To keep z constant √x must = 1.15 so x must be 1.15^2 = 1.3225.

    Therefore x must be increased by 0.3225 or 32.25%.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “If z varies directly as y and inversely as the square root of x, by how much should x be increased so that z is kept constant when y is ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers