Ask Question
3 March, 12:45

Z varies jointly with x and y.

When x = 2 and y = 3, z = 60.

What is the value of z when x = 4 and y = 9?

+1
Answers (1)
  1. 3 March, 13:09
    0
    First, let's find "k" the constant of variation:

    z = k. x. y (since z varies jointly with x and y)

    60 = k. (2). (3) → 60 = 6k and k = 10, So z = 10x. y

    z = 10 (4) (9) = 10 (36) and z = 360
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Z varies jointly with x and y. When x = 2 and y = 3, z = 60. What is the value of z when x = 4 and y = 9? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers