cheerislife242os9zfe cheerislife242os9zfe

22-07-2018
Mathematics

contestada

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

Respuesta :

altavistard altavistard

28-07-2018

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)

Answer Link

Otras preguntas

Which two subjects are compared in the passage? reading books electronically and reading books on paper the advantages and disadvantages of reading books on ele

Please help me simplify x2+ (y-4/x2)2=1

Why have Arctic temperatures increased faster than temperatures elsewhere in the North? What evidence supports this conclusion? How could Artic warming have aff

Answer the question below

Cold front conditions

Write the equation of the line, in slope-intercept form, with the following information: slope: -1 y-intercept: (0, -1)

Julian has $228.00 in dollar bills. His money is divided into 19 equal stacks. Julian gives 2 stacks to his sister, Yelitza. How much money did he give Yelitza?

What are some thing John Locke believed in

Lisa read 1/3 of a book in the morning, and she read some more at night. By the end of the day, she still had 1/5 of the book left to read. How much of the bo

Please help! Im stuck on this question