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IRINA_888 [86]
2 years ago
14

In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sa

mple of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is: ___________
a .3020
b .2634
c .2013
d .5 e 1
Mathematics
1 answer:
NARA [144]2 years ago
6 0

Answer:

In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is:

Step-by-step explanation:

a .3020

b .2634

c .2013

d .5 e 1 the answers is A

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Answer:

y=1/2-2

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Use the triangle shown to find the ratios.<br><br> cos(A) = <br> tan(C) =
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Answer:

Cos(A) = 10/26

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Calculate the value of angle A and C of ∆ ABC. Where b=1435cm, a= 782cm and B= 115.6°.​
Monica [59]

The Law of Sines says

\dfrac{\sin A}{a} = \dfrac{\sin B}{b} = \dfrac{\sin C}{c}

\sin A = \dfrac a b \sin B

A = \arcsin( \dfrac{782}{1435} \sin 115.6 ) = 29.44^\circ

We don't have to worry about the obtuse supplement because a triangle can only have one obtuse angle, and that's B.

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3 years ago
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Answer:

(3, 9)

Step-by-step explanation:

Set 3x and 2x+3 equal to each other forming an equation in x.

3x=2x+3

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