05-01-2015
Mathematics

Answered

the variables x and y are directly proportional, and y=2 when x=3. What is the value of y when x=9?

Answer :

catherine000 catherine000

05-01-2015

Since they are directly proportional, you can set it up as a proportion. I'm going to keep the y's on top and the x's on bottom, so 2/3 = y/9
Cross multiply and you get 18 = 3y
Divide both sides by 3 and you get 6 = y
Answer: y=6
Hope this helped(:

Answer Link

Other Questions

Which of the gases listed below would not be collected via water displacement? a. CO₂ b. CH₄ c. O₂ d. NH₃ e. H₂

How do solve for 2m2 +2m-12=0 This if quadratic formula

How do you graph the inequality 4x+3<7x-9 on a number line?

which of the following has a value greater than 5/6?5/92/311/1210/12

Bill has 4 letter blocks: A, B, C and D. In how many different ways can Bill arrange the blocks in a row?6, 12, 18 or 24?

What is the shortest sentence for upholstery?

what are the two important elements of an attitude of science

Which enlightenment thinker believed that it is a government's job to protect the natural rights of life liberty and property?

How come Math is impotant??

Explain the difference between natural and artificial satellites. Please i need answer urgently