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What is the product of prime factors of 270?

Firstly we need to make sure we understand the question and do this by defining the key elements: Prime number: A number that can only be divided by itself and 1 to give a whole number, i.e. 3, 7, 11 Factor:...
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Answered by Dominique T. • Maths tutor
14166 Views

How do you tackle AQA extract questions? (i.e. for the Aspects of Tragedy Paper)

Firstly make sure you read the extract. Once initially, just to understand the scene and then again with a pen or a highlighter to underline bits you plan on using in your essay. Take about 5 minutes to anno...
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15490 Views

What are the similarities and differences between DNA and RNA?

DNA and RNA are structurally almost identical, but there are a number of key differences. The 'D' in DNA stands for deoxyribose - the sugar molecule that gives DNA a stable helical conformation (called a B-h...
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Answered by Tristan D. • Biology tutor
4866 Views

What is the difference between eukaryotic cells and prokaryotic cells?

The main difference between eukaryotes and prokaryotes is that eukaryotic cells contain membrane-bound organelles (this includes a nucleus). Eukaryotes can be a single-celled or multi-celled organisms, such ...
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Answered by Sarah L. • Biology tutor
4524 Views

A right-angled triangle has a base of 5 cm, a height of 12 cm. Find the length of the hypotenuse.

Draw the triangle.Let the base = a, height = b and hypotenuse = ca = 5, b = 12, c = ?Using Pythagoras theorem, a 2 + b 2 = c 2 so, 5 2 + 12 2 = c 2 25 + 144 = c 2 169 = c 2 c = sqrt (169)c = 13So the hypoten...
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Answered by Abhiyan B. • Maths tutor
16770 Views