seymourangela seymourangela

21-01-2021
Mathematics

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The variables y and x have a proportional relationship, and y = 9 when x = 2. What is the value of y when x = 3? Enter your answer as a decimal in the box.

The variables y and x have a proportional relationship and y 9 when x 2 What is the value of y when x 3 Enter your answer as a decimal in the box class=

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ekanshaara06 ekanshaara06

21-01-2021

If they have a proportional relationship, then set them up as a proportion

9/2 = y/3.....9 to 2 = y to 3
cross multiply
(2)(y) = (9)(3)
2y = 27
y = 27/2
y = 13.5 <== so when x = 3, y = 13.5

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