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Degger [83]
3 years ago
13

Is the distance a baseball travels in the air after being hit a discrete random​ variable, a continuous random​ variable, or not

a random​ variable?
Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0

Answer: a continuous random​ variable

Step-by-step explanation:

<u><em>Can you count the distance it traveled?</em></u> You can't, so it couldn't be discrete because you can count discrete variables.

<u><em>Can you measure the distance it traveled? </em></u>You sure can, that makes it a continuous random variable.

<u><em>Do you know the exact distance it's going to travel?</em></u><u> </u>You won't, therefore it's a random variable since you don't know the value beforehand.

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2 years ago
In triangle ABC, a = 3, b = 5, and c = 7. Find the approximate value of angle A.
OLEGan [10]

9514 1404 393

Answer:

  a)  22°

Step-by-step explanation:

Side 'a' is the shortest side, so angle A will be the smallest angle. Its value must be less than 60°, eliminating the last two answer choices. The actual value can be found from the Law of Cosines.

  a² = b² +c² -2bc·cos(A)

  cos(A) = (b² +c² -a²)/(2bc) = (5² +7² -3²)/(2(5)(7)) = 65/70

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3 years ago
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2 years ago
21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. How many trucks, each with a 3.5-ton payload, woul
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3 years ago
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