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swat32
3 years ago
14

If y varies directly as x, and y=14 when x=3.5 find y when x=2

Mathematics
1 answer:
quester [9]3 years ago
5 0
<h2>y = 8</h2><h2 />

y varies directly as x

y ∞ x

y=14 when x=3.5

y = kx

k is a constant, when multiplied by x, you get y

14 = 3.5k

Solve to find k:

14/3.5 = k

14/3.5 = 4

k = 4

y = 4x

Find y when x=2

y = 4x

y = 4(2)

<h2>y = 8</h2>
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