exam
Maths Puzzle
Numerical Ability
y=x+10
y=x+2
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exam Other Question
When plotte on the rectangular coordinate system, in which quadrant would the following point be located for this polar coordinate? (-2, 2pi/3)
This question needs to be solved with the addition/elimination method.
0.4x-0.1y=0.3
-80x+20y=40