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GCSE

How to add fractions

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Answered by Jennifer L. • Maths tutor

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What is the cosine rule and when can it be used?

The cosine rule is used to find the length of a side or size of an angle.

Take a look at the triangle below:

Answered by Kulvinder L. • Maths tutor

7391 Views

How do I solve a simultaneous equation?

You will be presented with two equations, both with two unknown values. For example:

8x-2y=19

and

3x=5+y

To begin, we are going to move both unknown terms in ...

Answered by Paul C. • Maths tutor

5716 Views

How do I draw a straight line graph given a y=mx+c equation by the table method?

The y=mx+c equation is for a straight line (also known as 'linear') graph.

The 'y' is representative of the y-value, 'm' represents the gradient (how s...

Answered by Neha C. • Maths tutor

14239 Views

How do I solve a quadratic equation by completing the square?

The first step is to make sure that the coefficient of x^2 is 1 by dividing all terms by a (where a equals the coefficient of x^2). Then we must write the quadratic e...

Answered by Gina J. • Maths tutor

4471 Views