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09-02-2018
Mathematics

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If y varies directly with X and y =10 and X=4 write the direct linear variation equation .
A-y=10x
B-y=4x
C-y=5/2x
D-y=2/5x

Respuesta :

tn0982p46cab tn0982p46cab

22-02-2018

y= kx (k being a constant)
10= k × 4 k=5/2

y= 5x/2 The answer is C.

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