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Maths Puzzle
Numerical Ability
how do you change 3 5/8 into a improper fraction? Stuck on homework thanks
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please help it say use the substitution method to solve the linear system
x+2y=-5
4x-3y=2
32-2y=4
x+ 3y=5
3x+y= -2
x+3y=2
question is: f(x)=2x^2-x-1
List the y-intercept, if there is one, of the graph of f(x).