3 years ago

Which event has a probability other than 3?

1 answer:

6 0

The probability of compound events combines at least two simple events, either the union of two simple events or the intersection of two simple events.

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3 years ago

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Marianna [84]

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3 years ago

Which numbers are irrational or rational?

My name is Ann [436]

Answer:

Rational:

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2 1/3

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- 3/10

Irrational:

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Step-by-step explanation:

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4 years ago

A ladder is leaning against a

vlada-n [284]

Answer:

The angle of elevation is 36.87 degrees

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC of the figure

$cos(\theta)=\frac{AC}{BC}$ ----> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

$cos(\theta)=\frac{12}{15}$

$\theta=cos^{-1}(\frac{12}{15})=36.87^o$

4 0

3 years ago