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An easy way to remember how to expand double brackets is using FOIL. FOIL stands for First, Outer, Inner, and L...
The method for finding compound interest is: Original Amount x MultiplierTimeSo, from the question we know that: Original Amount= 40, Time= 3 years, so we say 3Next we need to work ...
First it’s important to check units, we notice that the dimensions are given in mm. Therefore in order to convert this to m^3 we need to multiply the volume in mm by (10^-3)^3 which gives us 2.64 x 10^-9....
Theory - Two lines on a graph will be parallel if their gradient is the same. The general equation of a line is y = mx + c where y and x are variables, m is the gradient and c is the y intercept. hence if...
From a right angled triangle with hypotenuse u and angle theta, we see the horizontal speed is (u cos theta) and the initial vertical speed is (u sin theta). As the ball moves in a symmetric parabola, it ...
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