Search over 10,000 free study notes

If the ratio is 2 : 3 then in a class of 5 there would be 2 boys and 3 girls. 

So we can say that 2/5 of the class are boys and 3/5 of the class are girls. 

And we know that to calculate 3/5...

Trying to remember quotations for the exam can be one of the trickiest aspects to English Literature at A-level. For my studies, I displayed bunting around my room with key quotations from all of the text...

A webserver is a computer that has been set up to listen for incoming requests from a client, find appropriate data for that request and return a response to that client. This is similar to a 'chatbot' on...

y = 2x + 5 y = 4, therefore 2x + 5 = 4 2x = 1 x = 1/2

a² + b² = c²

a : 9       b : unknown      c: 15

b² =c² - a²

so b² = 225 - 81

=144 so b=12