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We know y = 4x - 3t. We are given the values of x and t and we need to work out the value of y. So we shall substitute the given values of x and t to work out y. y = 4 X 2 - 3 X 5, and so using the laws o...

Tan(x) = 5/(2-1), x=tan^-1 (5), x= 78.7°

You want to try and get rid of one of the letters from the equations. To do this you need to add a certain number of one equation into the other so that one of the letters cancel out. In the question abov...

I would first ask the student to draw out a heptagon to check if they know what the shape is.(white board - drawing shape)
Next i will ask them to start at one edge of the s...

Multiply according terms so that the denominators are the same for all fractions. [2(x-3)(x+3)/(x-3)(x+3)]-[(x+2)(x+3)/(x-3)(x+3)]-[(x-6)(x-3)/(x-3)(x+3)]Expand out the brackets: 2x²-18-x^2...