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Maths Puzzle
Numerical Ability
Use the formula h=vt-16t^2. An object is fired into the air with a velocity of 72 feet per second. how many seconds will it take for the object to hit the ground?
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Plese help me to factorise the expression:
-4(x-2y)^2+8(x-2y)
Regards
How to calculate the A,B,C,D,E and F coefficients in the equation:Ax²+Bxy+Cy²+Dx+Ey+F=0 if 5 points on that conic are known?
Thanks!
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