book
Maths Puzzle
Numerical Ability
calculate the gradient and intercepts of the following
y=2x+4
5x+y=3
y=x
x=10
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book Other Question
1)simplify 3(2x+1)-3(x-1)(x+1)
2) If 2x+1=3 and 2x^2-5x-3=24, what does x-3 equal? (plz explain)
3)find k so that x^2-kx+25 is a perfect square (Explain plz)
4)what sho
The width of a rectangle is 4 feet less than the length. The area is 320ft^2. Find the width of the rectangle.
___feet
Thank you