Skillviz
Answered

x is 4 when y = 3 and z = 2. What is z if x = 8 and y= 6

Sagot :

Joint variation:

x = kyz

Solution:
To find k:
4 = k(3)(2)

4 = k (6) 
6        6

2/3 = k

What if z if x = 8 and y = 6
x = kyz; k = 2/3

8 = (2/3) (6) (z)

 8 = 4 z 
 4     4

z = 2