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Alinara [238K]
4 years ago
12

Help me with this please

Mathematics
1 answer:
Nostrana [21]4 years ago
8 0
Check out the image attachment for one way to draw this problem out. Notice how angles AEC and DEB are vertical angles, so that means they are congruent angles

(measure of angle AEC) = (measure of angle DEB)
6x + 20 = 10x
6x + 20-6x = 10x-6x ... subtract 6x from both sides
20 = 4x
4x = 20
4x/4 = 20/4 ... divide both sides by 4
x = 5

The value of x is 5. 

Let's check the answer
6x + 20 = 10x
6*5 + 20 = 10*5 ... replace every x with 5
30+20 = 50
50 = 50
We have confirmed the answer.

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Answer:

Step-by-step explanation:

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2/3 + 5 / (1/3)^2            Expand (1/3)^2

2/3 + 5 / (1/9)                Put a 1 underneath the 5

2/3 + 5/1 / (1/9)             Invert and multiply the second expression

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2/3 + 5* 9                     Combine

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I'm not getting any of these. It's possible I'm misreading the question, but what you've given is the result I got. All I can suggest is that you ask your teacher how this is done.

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