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What is Pythagoras' Theorem?

You can use pythagoras' theorem to find the length of a side of a right angled triangle, provided that at least two of the lengths of the sides are known. The general rule is a 2 + b 2 = c 2 where a, b and c...
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Answered by Victoria J. • Maths tutor
5147 Views

50 people ate a snack , some had apples some had biscuits the rest had banana. 21 people were male the rest female. 6 out of 8 people who had apples were female. 18 people had biscuits. 9 females had bananas. How many males had biscuits?

Write down all the information they have given you so There is 50 people 21 male so therefore 50 -21 = 29 females It says 6 out of 8 people who had apples were female so that means 8 people had apples Apples...
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Answered by Amelia D. • Maths tutor
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Write 0.2(54) as a fraction in its simplest form. (Where 0.2(54) = 0.254545454...)

Let x = 0.2(54) = 0.2545454... Then 100x = 25.454545... = 25.4(54) So 99x = 100x - x = 25.4(54) - 0.2(54) = 25.2 Hence 990x =252 Therefore x = 252/990 = 14/55
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Answered by Matt H. • Maths tutor
7923 Views

I struggle with time management whilst doing an exam paper. How will I be able to answer every question in the time given for the exam?

The best way to improve time management is by practising past papers. These can be found on your exam board website e.g. AQA, Edexcel etc. By completing a past exam paper under timed conditions you are putti...
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Answered by Ruby P. • Maths tutor
5495 Views

Why do angles in a triangle add to 180?

We know that angles on a straight line add to 180 degrees. Now imagine you have a triangle and the angles are called A, B and C. We can orientate the triangles so that we form a straight line. We can see tha...
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Answered by Aaran K. • Maths tutor
3923 Views