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Amanda [17]
4 years ago
8

Direct Variation question.

Mathematics
2 answers:
____ [38]4 years ago
7 0
The formula is y = kx. plug in 25 = k * 15 and solve for k. k = 5/3 Now use k in a new equation to solve for y. y = (5/3)(6) y = 10
mote1985 [20]4 years ago
3 0
Direct Variation:
y = kx

First find k using given (x,y)

25 = 15k    ----->  k = 25/15 = 5/3

Now plug in x = 6 and k=5/3  into function to get y value:

y = (5/3)(6) = 30/3 = 10
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