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schepotkina [342]
3 years ago
5

If y is directly proportional to x and y is 12 when x = 10, what is the function rule that describes the variation?

Mathematics
2 answers:
azamat3 years ago
8 0

Answer: y=1.2x

Step-by-step explanation:

Given

Y is directly proportional to x

and y=12 for x=10

\Rightarrow y\propto x\\\Rightarrow y=kx\\\text{Substitute x and y}

\Rightarrow 12=k(10)\\\Rightarrow k=1.2

\therefore \text{The function becomes}\\\Rightarrow y=1.2x

Anonymous2 years ago
0 0

what is your email I will email it to you

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