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How do I find the y value for point I such that DI and EI form a 3:5 ratio. d=(-3,2) e=(5,5)

Jennifer Patterson

in Mathematics

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Victoria Fowler on July 25, 2018

3:5 proportion average there are 8 "parts" (3 + 5 = 8)The distance between the x-coordinates is|-3 - 5| = 8.So each "part" is 8/8 = 1 a unit of length in the x direction. You want I to be 3(1) = 3 units of D, so that the x-coordinate of R -3 + 3 = 0.Same deal for and.|2 - 5| = 3 is the distance between D, and EEach part is 3/8.3(3/8) = 9/82 + 9/8 = 25/8So the point I is (0, 25/8)


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