Answer:
x=-4
Step-by-step explanation:
These two angles have to equal 180 because they are opposite of each other. Therefore, the equation will be 129+x+x+59=180. You add all common terms. 2x+188=180. You want to isolate x so you have to subtract both sides by 188. Therefore, the equation will be 2x=-8. Divide both sides by 2 to isolate x. x=-8/2. This is equal to x=-4.
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Part A: 6.2
Part B:6.405
PArt C: The estimate was close to the real answer
Yea. The text book is either wrong or it knows something that we don't. Like as to why they would need to have two more feet. You're right though
Answer:
The answer is 34, bec what you do is: 67 - 33.
Answer:

Step-by-step explanation:

Comparing to

Where A,B,C are constants
You should see that we need to substitute the
with u.