exam
Maths Puzzle
Numerical Ability
The perimeter of a rectanngle is 160ft. One fourth the length is the same as twice the width. Find the dimensions of the rectangle.
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exam Other Question
1. 3x^2-6x=0
2. f(x)=2x^-2x+3
f(2)
f(3)
3. 2x^2-3x-2=0
x=-4y+4
5x-3y=-3 solve the system by the substitution method