exam Maths Puzzle Numerical Ability

A circle centered at the point of origin has a radius of 10. If the point (10,0) is rotated 120 degrees counter-clockwise, determine the coordinates of the new point in exact radical form.

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exam Other Question

The graph of f(x)=2(x-1)^2+3 has the following characteristic?

a) vertex: (1,3) and opens downward
b) vertex: (1,3) and doesn't cross the x axis
c) vertex: (1,3) and has two y At the instant the traffic light turns green, an automobile starts with a constant acceleration A of 2.5 m/s^2. At the same instant a truck, travelling with a constant speed of 7.2