In a math contest, Jack earned 10 points for every problem solved correctly and lost 1 point every time he did not label his ans
2 answers:
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Answer:
B. x = 15, m∠Q = 75°
Step-by-step explanation:
Given:
m∠P = 105°
m∠Q =
Angles P and Q are supplementary angles
To find value of and m∠Q.
Solution:
[Sum of supplementary angles =180°]
[Substitution ∵ m∠P = 105° and m∠Q =
]
Subtracting both sides by 105°.
Dividing both sides by 5.
∴
∴