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lisov135 [29]
3 years ago
8

Given EFGH and E=45°, what is the measure of angle F?

Mathematics
2 answers:
Ivahew [28]3 years ago
4 0
Opposite angles are congruent and adjacent angles are supplementary.

so < E + < F = 180...and < E = 45
45 + < F = 180
< F = 180 - 45
< F = 135 <==
Goryan [66]3 years ago
3 0
Remember that opposite angles are congruent. 

So,

we know that <E= <G

That is 45+45= 90 degrees 

We also know that consecutive angles are supplementary. E and F would equal 180 degrees. 

180-45=135

<F= 135 degrees. 

We can check this by seeing if all the angles add up to 360 degrees/

135+135+45+45

=360 <== this works

I hope this helps!
~kaikers
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For each of the following binomial random variables, specify n and p. (a) A fair die is rolled 50 times. X = number of times a 5
Keith_Richards [23]

Answer:

a) n = 50, p = \frac{1}{6}

b) n = 16, p = \frac{1}{100}

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Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

(a) A fair die is rolled 50 times. X = number of times a 5 is rolled

The die is rolled 50 times, so n = 50.

Each roll can have 6 outcomes. So the probability that 5 is rolled is p = \frac{1}{6}

(b) A company puts a game card in each box of cereal and 1/100 of them are winners. You buy sixteen boxes of cereal, and X = number of times you win.

You buy 16 boxes of cereal, so n = 16.

1 of 100 are winners. So p = \frac{1}{100}.

(c) Jack likes to play computer solitaire and wins about 25% of the time. X = number of games he wins out of his next 26 games.

He plays 26 games, so n = 26.

He wins 25% of the time, so p = 0.25

We have that \mu = np. So \mu = 26*0.25 = 6.5

6 0
3 years ago
What are the properties of the point (2, 0) in this graphed function?
Alex73 [517]

The point (2,0) represents a relative minimum and an x-intercept.

<h3>How to determine the property?</h3>

The missing graphed function is added as an attachment

The point (2,0) means that:

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On the attached graph, we can see that the graph touches the x-axis at (2,0); this represents the x-intercept

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Read more about  graphed functions at:

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Step-by-step explanation:

7 0
3 years ago
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Tomtit [17]
Hello I hope this helps. I'm pretty sure this is the answer.
 
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3 years ago
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The circle has a diameter of 16 inches. What is the area of the circle, rounded to the nearest square inch?
Ratling [72]

<u>Statement</u><u>:</u>

The circle has a diameter of 16 inches.

<u>To </u><u>find </u><u>out:</u>

The area of the circle.

<u>Solution</u><u>:</u>

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<u>Answer</u><u>:</u>

C) 201 square inches

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2 years ago
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