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In the 1st year the car loses 25% of its value, meaning it retains 75% of its value. The starting value (100%) was £18000, so multiplying this by the 75% retained - remembering to change this to decimal n...

INT{2x⁵ + (1/4)x^-3 -5} = (2/6)x⁶ + (1/8)x^-2 -5x + c =(1/3)x⁶ + (1/8)x^-2 -5x + c

It slopes downwards because a lower price means more buyers will be willing and able to purchase the good (as it becomes more affordable to more people), so the quantity demanded increases. This is an inv...

With simultaneous equations, a lot of the maths GCSE qualification, the best approach is to work things out step by step and write every step you take down on your exam paper. This does seem like its time...

Aggregate demand can be defined as the total demand to the output a country’s economy at a given time interval and given price level. It is calculated through the formula AD=Consumer Spending (C)+ Investm...