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ohaa [14]
2 years ago
13

Can someone check my answers to see if they're correct?

Mathematics
1 answer:
Sati [7]2 years ago
3 0

Answer:

a = 125°

b = 55°

c = 55°

d = 55°

e = 125°

f = 55°

Step-by-step explanation:

See the attached diagram.

The angles (x + 75)° and (2x + 25)° are the alternate angles and they are equal.

So, x + 75 = 2x + 25  

⇒ x = 50

Hence, (x + 75)° = (50 + 75)° = 125°.

Now, from the given diagram it is clear that  

a = (x + 75)° = (2x + 25)° = e = 125°

And, b = c = d = f = 55°

This is because, a and b are supplementary angles and their sum will be 180°.

So, a + b = 180°

⇒ 125° + b = 180°

⇒ b = 55°

So, b = c = d = f = 55° (Answer)

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\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Number of possible outcomes}}

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\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{19}{18,750,000}

\text{P( A randomly selected person in the United States will be struck by lightning this year)}=0.0000010133333333

Therefore, the probability that a randomly selected person in the United States will be struck by lightning this year is \frac{19}{18,750,000}=0.0000010133333333.

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