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V125BC [204]
3 years ago
8

How do I find the y value for point I such that DI and EI form a 3:5 ratio.

Mathematics
2 answers:
liraira [26]3 years ago
6 0
3:5 ratio mean there are 8 "parts" (3 + 5 = 8)

The distance between the x-coordinates is |-3 - 5| = 8.
So each "part" is 8/8 = 1 unit long in the x-direction. 
You want I to be 3(1) = 3 units from D, so the x-coordinate of I is -3 + 3 = 0.

Same deal for y.
|2 - 5| = 3 is the distance between D and E
Each part is 3/8.
3(3/8) = 9/8
2 + 9/8 = 25/8

So the point I is (0, 25/8)


kodGreya [7K]3 years ago
4 0

Answer:

3.125

Step-by-step explanation:

duh

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