Top answers


Find the inverse of y = (5x-4) / (2x+3)

the aim of finsing the inverse is making x the subject. To start we need to multiply both sides by: (2x+3), giving us: y(2x+3) = 5x-4 now we need to expand the brackets: 2xy +3y = 5x-4 now gather all the x c...
XA
Answered by Xuanyi A. Maths tutor
6389 Views

Are there any minuses to economic growth?

Growth is typically considered great - improvement in GDP per capita, incomes and living standards. However, if asked in the exam, there is something for you to mention. Firstly, consider nature of growth. I...
JL
Answered by Julia L. Economics tutor
3492 Views

How do I remember all that statistics?

Try writing mock essays - after five or six, you will know which figures you are most likely to use! You will end up with ten to twelve numbers that you need to memorise. Do not forget sources and years. Alt...
JL
Answered by Julia L. Sociology tutor
3282 Views

Why is (-1)*(-1)=1?

Even though this question seems trivial to most people with some mathematical expertise, it actually cuts quite deep into an intuitive understanding of what multiplication truly is. When one writes an expres...
RT
Answered by Rudolfs T. Maths tutor
4394 Views

How do I approach an OCR fifty-mark essay?

There is a standard answer framework that you should stick to to boost your marks. For an illustration, let's consider a question that came up in 2013 in crime and deviance module - outline and assess Intera...
JL
Answered by Julia L. Sociology tutor
3523 Views