Try this solution:
1. for probability of both televisions work:
2. for probability of at least on is defective (it means, the sum = one is defective and two are defective):
- for P(1defective);
- for P(2defective);
totaly for at least one is defective:
Answer:
2x−1
Step-by-step explanation:
The answer is c y=3x-1 if you just plug in the numbers you can see if it is equal
The values of the angles are as follows:
- x = 8.62
- x = 8.53
- m∠EDC = 70
<h3>How to find unknown angles?</h3>
1.
∠ABC = 108 degrees
Therefore,
3x + 2 + 10x - 6 = 108
13x - 4 = 108
13x = 108 + 4
13x = 112
x = 112 / 13
x = 8.61538461538
x = 8.62
2.
∠ABC = 108 degrees
∠DBC = 10x - 20
Hence,
5x + 10x - 20 = 108
15x - 20 = 108
15x = 108 + 20
15x = 128
x = 128 / 15
x = 8.53
Hence,
∠DBC = 10(8.53) - 20 = 65.33
3.
m∠EDC = m∠EDU + m∠UDC
m∠EDC = 32 + 38
m∠EDC = 70
learn more on angles here: brainly.com/question/12373280
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