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Maths Puzzle
Numerical Ability
find x if
3x+91=112
Read Solution (Total 1)
3x=112-91
3x=21
x=21/3
x=7
10 years ago
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im trying to solve for varibles in a matrice:
[3x 4y] = [27 -16]
-48 49 -3w 7z
An object is throwen from the origin of a coordinate system with the x-axis along the ground and the y-axis vertical. Its path, or trajectory, is given by the equation y=400x-16 x squared. Find the objects maximum height.