Add the two equations: 5x=10, x=2, but x-y=1 so y=1. The solution set is uniquely (2,1).
Answer:
Parallel lines are coplanar lines
Perpendicular lines are two coplanar lines that intersect at a right angle (90º).
Distance around an unmarked circle can NEVER be measured
So:
True
True
Never True
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Answer:
I think A=66.67?Not too sure,sorry if I am wrong
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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