Scolder2000
Answered

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PLEASE HELP!!!!!!!!!!!!!!!!!!!!
Variable y varies directly with variable x, and y = 56 when x = 8.

What is the value of y when x = 3?

y = [?]

Sagot :

konrad509
[tex]y=kx\\\\ 56=8k\\ k=7\\ y=7x\\\\ y=7\cdot3\\ \boxed{y=21}[/tex]
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