Don't forget to take a ruler and scientific calculator into the exam. Maths questions often start with the command word 'Calculate'. You need to use numbers given in the question to work out the ...
A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...
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