SOLUTION: Please help me finish this problem.
Angles DAY and MON are supplementary angles. If m∠DAY is 20 less than four times m∠MON, find m∠DAY
Equation: m∠DAY
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Question 1055575: Please help me finish this problem.
Angles DAY and MON are supplementary angles. If m∠DAY is 20 less than four times m∠MON, find m∠DAY
Equation: m∠DAY+m∠MON+180
m∠DAY=m∠MON-20
m∠MON+4m∠MON-20=180
Work:
m∠O+4m∠O-20=180
-20 -20
m∠O+4m∠O=160
+4 +4
m∠O+m∠O=164
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Instead of DAY and MON, I'll use X and Y.
Substituting,
Add 20 to both sides
Divide both sides by 5,
Then,
So m
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