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Mathematics 5 Online
OpenStudy (anonymous):

The elongation E of a spring balance varies directly with the applied weight W. If E=10 when W=1.6 find E when W=12.

Nnesha (nnesha):

equation for direct variation is y =kx

Nnesha (nnesha):

|dw:1430026107200:dw| E represent y and w =x

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