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1 year ago

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When h is one-half and j is one-third, g is 4. if g varies jointly with h and j, what is the value of g when h is 2 and j is 3?

4 6 24 144

1 answer:

SashulF [63]1 year ago

3 0

Answer:

D) 144

<h3>Given</h3>

g varies jointly with h and j
g = 4 when h = 1/2, j = 1/3

<h3>To find</h3>

Value of g when h = 2 and j = 3

<h3>Joint variation:</h3>

g = khj, where k- coefficient

Use given values of h and j, and find the value of k:

4 = k*(1/2)(1/3)
4 = (1/6)k
k = 4*6
k = 24

The equation is now:

g = 24hj

Find the value of g when h is 2 and j is 3:

g = 24*2*3 = 144

<u>Correct choice</u> is D

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