hailee10235 hailee10235

30-03-2017
Mathematics

contestada

The graph of a proportional relationship passes through (9,18) and (1,y). Find y.

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HaydenGemeinhardt1 HaydenGemeinhardt1

30-03-2017

y=2. The scale factor is 9, and if you divide 18 by 9, you get 2.

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VenusRetrograde VenusRetrograde

30-03-2017

(9,18) (1,y)

9 1
____ = ____
18 y

cross multiply
9y=18
divide both sides 9
y=2

(9,18) (1,2)

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