Answer:
=x
Step-by-step explanation:
10^2+21^2=x^2]
100+441=x^2
541=x^2
=x
Answer:Angle A is equal to 113
Step-by-step explanation:
If two angles are vertical, that would make them equal to each other.
7x-20=6x-1
Add on to both sides
7x-19=6x
Subtract Seven from both sides
-19=-x
Divide by negative one to get rid of the negative
19=x
Then plug x into the equation 7(19)-20
Answer:
2x-4
Step-by-step explanation:
2x-4
mx+b format
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