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Maths
GCSE

How do you find the length of a side of a right angled triangle when given the other two side lengths?

First, you have to work out whether the side you need to find is the hypotenuse or not. The hypotenuse is the longest side of the triangle, opposite the right angle. For this question, you use Pythagoras'...

Answered by Laura H. Maths tutor
7552 Views

How do I solve simultaneous equations when one of the equations is not linear?

Sometimes you are asked to solve simultaneous equations where one of the equations has an x2 and/or a y2 in it - this is called a non-linear equation. This kind of question can lo...

Answered by Kristen B. Maths tutor
8554 Views

How do you work out the length of one of the sides of a right-angled triangle given the other two?

You must first identify which sides you are given. If you have been given both sides which are not the hypotenuse (the longest side opposite the ninety degree angle) then you can use the equation:

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Answered by Toby W. Maths tutor
4908 Views

13 - 3 × 4+2 Simple question that lots of people get wrong

Have you heard of the BODMAS / BIDMAS rule? 

This rule changes your answer from 42 to 3 instead. that is because this rule says you need to follow a specific order when calculating. It se...

Answered by Shanju R. Maths tutor
37496 Views

p and q are two numbers each greater than zero. √(p^2 + 5q) = 8 and √(p^2 – 3q) = 6. Find the values of p and q.

First of all, we have to raise to the power of two the first equation and will obtain: p^2 + 5q = 64. 
We have to proceed the same for the second equation and will obtain: p^2 - 3q = 36. 
S...

Answered by Andrada-Ioana B. Maths tutor
7243 Views

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