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jonny [76]
3 years ago
6

UW || RS

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0
The answer is 4
Hope this Helps!

yawa3891 [41]3 years ago
7 0

UW = 5

By AAA postulate, we know triangle TUW and triangle TRS are similar

So, ratio of sides of triangles will be equal.

TU/TR = UW/RS = TW/TS = 1/3

So, UW = 15/3 = 5

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Solution :

a).

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The next step, is to pick an (x,y) coordinate that is in the shaded region and plug it into the remaining 2 inequalities. Which ever inequality is true after you solve it, that is the correct answer.  
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