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4 years ago

9

Can some one help me (9 10)

1 answer:

Citrus2011 [14]4 years ago

6 0

9.) a: The relationship between x and y is linear, as the line is straight and it passes through the orgin, and the values are proportional.

b: According to the graph, the drill team will have to pay $72 if they purchase 12 uniforms.(y=60x; 12=60(12))

10.) The relationship between x and y is nonlinear, as the line is not straight, nor pass through the orgin, which makes it also nonproportional.

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Step-by-step explanation:

It is easy

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Answer:

D

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The radius r is the distance from the centre to a point on the circle.

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r = $\sqrt{(-5-0)^2+(-12-0)^2}$

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