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13-10-2021
Mathematics

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ILL MARK BRAINLIEST

suppose y varies directly with x and y=4 when x=-2 find x when y=10

X=

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crissz67 crissz67

13-10-2021

Answer:

y= kx

when y = 4

x = -2

4= -2k

divide both sides by -2

k = -2

when y = 10

10 = x(-2)

10= -2x

divide both sides by -2

x = -5

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