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The line AB has equation 3x + 5y = 7. Find the gradient of line AB.

First, let's make y the subject of the equation.

Let's achieve this by having only y on the left hand side of the equation. To do this we need to minus 3x from both sides of the equation. This leav...

Answered by Tom O. • Maths tutor

4978 Views

Solve 5x – 2 > 3x + 11

Let's temporarily replace the inequality sign ">" with "=".

This gives us: 5x - 2 = 3x + 11.

If we subtract 3x from both sides we are left with:

2x - 2 = 11.

Answered by Tom O. • Maths tutor

18559 Views

How can I improve my essay structure?

The structure your essay is one of the first things examiners consider when grading your exams and coursework so it is vital you can do this well. One key part of a highly effective essay which I have now...

Answered by Barney M. • English tutor

2750 Views

What happens to the chemicals during the fractional distillation of crude oil?

In a fractionating column there is a temperature gradient that goes from being very hot at the bottom, to much cooler at the top. Crude oil is a mixture of hydrocarbons of different lengths, and we know ...

Answered by Rachel H. • Chemistry tutor

5752 Views

What is the meaning of the term 'structural isomers'?

A pair of strutural isomers are two molecules which have the same molecular formula; the same number of each atom, but which have these atoms arranged differently, and are therefore distinct molecules. An...

Answered by Cei P. • Chemistry tutor

8488 Views