Mathematics, 23.09.2019 22:30 mem8163
Suppose that y is directly proportional to x, and y = 6 when x = 54. what is the constant of proportionality?
a) 1/9
b) 1/6
c) 6
d) 9
Answers: 3
![y\propto x\\\\\Rightarrow y=kx~~~~~~~~~~~[\textup{where k is the constant of proportionality}]\\\\\Rightarrow k=\dfrac{y}{x}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)](/tpl/images/0256/2241/eb0ba.png)
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Suppose that y is directly proportional to x, and y = 6 when x = 54. what is the constant of proport...
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