Ask Question

the variable z is directly proportional to x. when x is 15, z has the value of 120. what is the value of z when x=25

+3
Answers (1)
  1. 16 June, 13:42
    0
    The governing equation here is y = kx.

    When x is 15, z = 120. Find k:

    120 = k (15) leads to k = 120/15, or 8. Then y = 8x.

    Now, what iz z when x = 25? Substitute 25 for x in y = 8x: y = 200 (answer)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “the variable z is directly proportional to x. when x is 15, z has the value of 120. what is the value of z when x=25 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers