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Inessa05 [86]
2 years ago
7

Which angles are vertical to DEA? Question is located in the attached file (image)​

Mathematics
1 answer:
ValentinkaMS [17]2 years ago
3 0

Answer:

∠CEB

Step-by-step explanation:

The vertical angle is one that is directly <em>opposite</em> to the original angle. In this image of two intersecting lines, it looks like the angle ∠CEB is directly across from our angle ∠DEA. So, the angle ∠CEB is <em>vertical to</em> ∠DEA.

Hopefully that was helpful! :)

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lubasha [3.4K]
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2 years ago
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The measure of arc BCD is
makkiz [27]

Answer:

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Step-by-step explanation:

ABCD is cyclic quadrilateral. A property of cyclic quadrilateral states that the opposite angles of it sum up to 180°. Here:

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6 0
2 years ago
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7 0
3 years ago
3x+5y=-3 x-5y=-5 show your work
frez [133]
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Both equations have a 5y  term which allows us to easily solve the system by elimination. To do so we will add the equations together like a simple addition problem by adding the x terms together, the y terms together, and the integer answers together.

3x + 5y = -3
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---------------
4x + 0y = -8

The y terms cancel out since one is positive and one is negative. Now we can solve for x.

4x = -8

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(-2) - 5y = -5

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Our answer as an ordered pair is (2, 3/5)
6 0
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