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3 years ago

Find the measures of the angles in the diagram. 20 points for all of the ones listed below

Mathematics

2 answers:

Inessa [10]3 years ago

8 0

AB is a diameter of the circle, so it divides circle into two semicircles.

Inscribed Angle Theorem:

The measure of an inscribed angle is half the measure of the intercepted arc.

An especially interesting result of the Inscribed Angle Theorem is that an angle inscribed in a semi-circle is a right angle. That's why m∠AQB=m∠ASB=m∠ALB=m∠ATB=m∠ARB=90°.

It is impossible to find measure of ∠BWD, its measure depends on measure of a central angle ∠WDB.

uysha [10]3 years ago

4 0

All are 90 degrees, except for bwd

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If the probability that your DVD player breaks down before the extended warranty expires is 0.034, what is the probability that

schepotkina [342]

Answer:

0.966

Step-by-step explanation:

Given that:

Probability of DVD player breaking down before the warranty expires = 0.034

To find:

The probability that the player will not break down before the warranty expires = ?

Solution:

Here, The two events are:

1. The DVD player breaks down before the warranty gets expired.

2. The DVD player breaks down after the warranty gets expired

In other words, the 2nd event can be stated as:

The DVD does not break down before the warranty gets expired.

The two events here, have nothing in common i.e. they are mutually exclusive events.

So, Sum of their probabilities will be equal to 1.

$\bold{P(E_1)+P(E_2)=1}\\\Rightarrow 0.034+P(E_2)=1\\\Rightarrow P(E_2)=1-0.034\\\Rightarrow P(E_2)=\bold{0.966}$

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3 years ago

Which is equivalent to sqrt 180x^11 after it has been simplified completely?

lorasvet [3.4K]

Answer:

180x^5.5

Step-by-step explanation:

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3 years ago

Find the distance between two points (5,10) and (-4,6)

Helga [31]

Answer:

Explanation:

The formula for calculating the distance between two points is:

√

(

−

)

(

−

)

Substituting the values from the points in the problem gives:

√

(

−

)

(

−

)

√

(

−

)

(

−

)

d = √ ( − 3 ) 2+ 1 2

d = √ 9+ 1

d = √ 10

d = 3.162

rounded to the nearest thousandth

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3 years ago