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2 years ago

15

Tony is going to watch a movie in his collection. He has 3 action movies, 11 comedies, and 9 dramas. He will randomly select one

movie. What is the probability that the movie he selects is not a comedy?
Write your answer as a fraction in simplest form.

1 answer:

Nata [24]2 years ago

4 0

Answer:

12/23

Step-by-step explanation:

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3. A bag of Jelly beans contains 12 red, 17 white and 14 black jelly beans.

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Total = 12+17+14 = 43

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C(12,5) / C(43,5) = (12!/5!*7!) / (43!/5!*38!) = (12*11*10*9*8) / (43*42*41*40*39)

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1 year ago

Given: △KPS m∠P=105°, m∠S=30° PS=12 Find: PK.

Jobisdone [24]

Answer:

PK=8.49m

Explanation:

We have sine formula

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}$

By sine formula we have

$\frac{PS}{sinK} =\frac{PK}{sinS} =\frac{KS}{sinP}$

We have PS = 12, ∠P=105° and ∠S=30°, so ∠K=180°-(105°+30°)=45°

Substituting

$\frac{12}{sin45} =\frac{PK}{sin30} \\ \\ PK=8.49m$

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