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sergeinik [125]
2 years ago
7

What is the cosine ratio of A. 15/8 B. 15/17 C. 8/15 D.8/17

Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
5 0

Answer:

your answer will be option d

Step-by-step explanation:

because cosine =base/hypotenus

and here 8/17

hope ur help

Art [367]2 years ago
4 0

\cos \angle PQM  = \dfrac{15}{17}\\\\\cos \angle MPQ = \dfrac{8}{17}

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The probability that a randomly selected elementary or secondary school teacher from a city is a female is , holds a second job
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Answer:

The probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = an elementary or secondary school teacher from a city is a female

<em>Y</em> = an elementary or secondary school teacher holds a second job

The information provided is:

P (X) = 0.66

P (Y) = 0.46

P (X ∩ Y) = 0.22

The addition rule of probability is:

P(A\cup B)=P(A)+P(B)-P(A\cap B)

Use this formula to compute the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job as follows:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)\\=0.46+0.66-0.22\\=0.90

Thus, the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

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3 years ago
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Fittoniya [83]

Answer:

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Step-by-step explanation:

15/100= white milk

85/100= chocolate milk

85/5=17

100/5=20

=17/20 is chocolate milk

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3 years ago
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Step-by-step explanation:

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