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y varies inversely as the square root of x.If the point (4,2) is on the graph of the variation, find x when y=4.​

Sagot :

ANGELYNTUA05GO

answer:

y×

x

1

y=

x

k

whenx=72,y=4

4=

72

k

k=4×72

k=288

y=

x

288

putx=9

y=

9

288

=32

y=32

Step-by-step explanation:

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