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nikdorinn [45]
2 years ago
13

Need help please. I suck at math and these two are hard

Mathematics
1 answer:
Digiron [165]2 years ago
6 0
#11
The steepest slope would be m=5
This is the same as 5/1 so you are going UP 5 units for every one unit movement right.
#12
y=mx+b
The b is where it crosses the y axis. This is -2.
The slope is negative because it FALLS from left to right.
Rise/run is 2/7 so slope is -2/7
y = -2/7x -2
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Step-by-step explanation: What we have in the question is a triangle placed on top of another triangle and as shown in the attached diagram we can separate them into triangles BFC and GFH.

A close observation shows that line BC is parallel to line GH. Hence we have two similar triangles, and we can determine their similarity ratios as follows;

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Similarly BF/BC = GF/GH

We can also express the following ratio

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Therefore to calculate the missing side, which is GF, we can use the ratio

FC/FH = FB/FG

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By cross multiplication we now have 30 (FG) = 100 (36)

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