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faltersainse [42]
3 years ago
15

Given: AC and DB are diameters. m∠3=

Mathematics
2 answers:
svetlana [45]3 years ago
4 0
<h2>Answer:</h2>

m∠3 = 78°

<h2>Step-by-step explanation:</h2>

From the figure, we have a circle. Also, we have two lines AC and DB being these two lines diameters. A diameter is a line that passes through the center of the circle and touches it in two different points. We also know that m∠1 = 78° and given that  angle 1 and angle 3 are opposite, they measure the same. Therefore m∠3 = m∠1 = 78°

Nataly [62]3 years ago
3 0

Answer:78

Step-by-step explanation:

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Answer:

Choice D

Step-by-step explanation:

For this one I would find if the point lands on the line.

<em><u>Choice A:</u></em>

What we have to do is to plug in -4 for x and 4 for y.

y=2x+10\\(4)=2(-4)+10\\4=-8+10\\4\ne2

The point is not on this line so this cannot be it.

<em><u>Choice B:</u></em>

We pug what we know again.

y=\frac{1}{3}x+1\\(4)=\frac{1}{3}(-4)+1\\(4)=-\frac{4}{3}+1\\4\ne-\frac{1}{3}

The point is not on this line so it can't be it.

<em><u>Choice C:</u></em>

We pug in what we know again.

y=3x-9\\(4)=3(-4)-9\\(4)=-12-9\\4\ne-21

The point is not on this line so it can't be it.

The next one has to be it, but we'll check it just in case.

<em><u>Choice D:</u></em>

We plug in what we know again.

y= \frac{1}{2}x+6\\(4)=\frac{1}{2}(-4)+6\\(4)=-2+6\\4=4

The point is on this line so this is the line.

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2 years ago
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In order to solve or know the probability of having 2 girls and 2 boys, assumed that a girl is as likely as a girl at each birth, pascal’s triangle will be likely used. And we will be referring to the line 4 of pascal’s triangle, which was 1 4 6 4 1.  Then it will look like this: 1 = 4 girls; 4 = 3 girls & 1 boy; 6 = 2 girls & 2 boys; 4 = 3 boys & 1 girl; 1 = 4 boys. And now for the solution in order to get the probability of having 2 girls and 2 boys is to divided into the sum of  1+4+6+4+1. 

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3 years ago
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Sedaia [141]

Answer:

3

Step-by-step explanation:

just do (-1/2) x (-6) where the negatives cancels out and half of 6 is 3

Brainilist Maybe?

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