SOLUTION: z varies jointly as x and y x is 4 when y=3 and z=2.What is z if x=8 and y=6

Algebra.Com
Question 1048985: z varies jointly as x and y
x is 4 when y=3 and z=2.What is z if x=8 and y=6
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
z varies jointly as x and y


x is 4 when y=3 and z=2.

Substitute x=4, y=3, z=2





Divide both sides by 12





Substitute  for k in

What is z if x=8 and y=6
Substitute x=8 and y=6





Edwin
RELATED QUESTIONS

If Y varies jointly as X and Z and Y=60 when X=10 and Z= -3, what is Y when X=8 and... (answered by matthew_sessoms)
y varies jointly as x and the square of z and inversely as the cube of w. If when x=3,... (answered by josgarithmetic)
Z varies jointly as x^2 and y, and z = 20 when x = 2 and y = 3. Find z if x = 4 and y =... (answered by Cromlix)
If y varies jointly as x and z and y=10 when z=4 and x=5, find y when x=4 and... (answered by stargrl12566)
if y varies jointly as x and z, by what percent will y change when x is increased by 15%... (answered by Boreal)
z varies jointly as x^2 and y. If z = 24 when x = 2 and y = 3, what is the value of z... (answered by josgarithmetic)
Quantity z varies jointly as x and the cube of y. If z = 96 when x = 2 and y = 2, find z... (answered by ikleyn,greenestamps)
y varies jointly as x and z. y=72 when x=3 and z=6. Find y when x=7 and z=4... (answered by stanbon)
#1 If y varies jointly as x and z, and inversely as u, and if y=6 when x=2,z=3, and u=4,... (answered by stanbon)