Solve for K, the constant of variation, in a joint variation problem where y=520, x=5, z=6.5. Solution is?
1 answer:
Answer:
K = 676
Step-by-step explanation:
When y is directly proportional to x and inversely poportional to z
We have
y = kx/z
When y =520
x = 5
z = 6.5
K =?
We have
520 = k x 5/6.5
Cross multiply
520 x 6.5 = 5k
3380 = 5k
Divide both sides by 5
3380/5 = 5k/5
676 = k
k = 676
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