exam
Maths Puzzle
Numerical Ability
The difference between two positive nubers is 5 and the sum of their squares is 233. What are the numbers?
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exam Other Question
Solve each of the following systems by substitution.
McGraw Hill 6th edition, 8.3 # 16.
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5x-2y=-5
y-5x=3
If cotA + cotB + cotC=sqrt3 then prove that the triangle is equilateral.