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LiRa [457]
3 years ago
6

Look at the figure below. What is the value of x?

Mathematics
1 answer:
Tcecarenko [31]3 years ago
3 0
<h3>Answer = 67</h3>

<h3>Explanation</h3>

#you see the straight line near (2x - 4) ? yeah it totals 180°, so you only need to find the degree of the other side.

#The question already show 90° (L) and 48° so you can get the other side degree by minus 180 with the degree known.

<h3>Way to do</h3>

180° - 48° - 90° = 42°

#and so you only need find the rest of the degree. The degree of (2x + 4)

180° - 42° = 138°

#So the (2x + 4)° is 138°

2x + 4 = 138

2x = 138 - 4

2x = 134

x = 134 : 2

x = 67

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Complete question is:

A large pool of adults earning their first drivers license includes 50% low- risk drivers, 30% moderate-risk drivers, and 20% high-risk drivers. Because these drivers have no prior driving record, an insurance company considers each driver to be randomly selected from the pool. This month, the insurance company writes 4 new policies for adults earning their first drivers license. What is the probability that these 4 will contain at least two more high-risk drivers than low-risk drivers?

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