Top answers

A right angled triangle with sides 7cm and 11cm, find the hypotenuse

General rule for any right angled triangle: a^2+b^2=c^2, with a and b being the shorter sides and c being the hypotenuse (the longest side). Using the equation: a=7 and b = 11 and c=hypotenuse we want to fin...
GF
Answered by Gwen F. • Maths tutor
5054 Views

What's the difference between 'tous' and 'tout'?

The main thing to remember here is that what's basically one word can be used in different forms - as an adjective, noun or even adverb. The most common ones are adjective and noun, so that's what we'll cove...
SM
Answered by Sophia M. • French tutor
29758 Views

Make x the subject of the equation y=(3x+5)/(4-x)

(1) Get rid of the fraction by multiply both sides by (4-x), we now have y(4-x)=3x+5. (2) Expand any brackets, so 4y-py=3x+5. (3) Rearrange to get all the x to one side: 4y-5=3x+px. (4) Factorise x because w...
GF
Answered by Gwen F. • Maths tutor
12978 Views

What is the difference between 'ser' and 'estar'?

Although they both translate to 'to be' in English, in Spanish we use these two different verbs, and it depends on the quality you are trying to describe. For example, 'estar' is used to describe something t...
TB
Answered by Teresa B. • Spanish tutor
3115 Views

How do I know whether to use passé composé or imparfait?

It can be tricky to tell - and sometimes it's even a matter of choice! However, there are some simple rules that you can remember. The passé composé is used for specific events - things that happened, like a...
SM
Answered by Sophia M. • French tutor
4553 Views