Top answers

Past perfect in Spanish - Pretérito perfecto o pasado perfecto.

El préterito perfecto es el equivalente del past perfect, que utiliza el verbo auxiliar haber + el participio del verbo principal como en inglés have + past participle. Por ejemplo, yo he comido , tú has beb...
SD
Answered by Sofia D. • Spanish tutor
6794 Views

How do I use quotes within my answer?

The main points on how and when to use quotes are: Only include relevant quotes that support the overall argument. Do not just include random quotes to try and impress the examiner with your knowledge. Even ...
RL
Answered by Rhiannon L. • English tutor
3437 Views

What is a negative externality and how can you address them?

An externality is a benefit or a cost borne by a third party when producing or consuming a good. Hence there can be negative and positive externalities of production and consumption. E.g. Cigarettes have a n...
SD
Answered by Sofia D. • Economics tutor
12781 Views

What is implicit differentiation and how do I do it?

Implicit differentiation involves differentiating expressions for which it is difficult to rearrange into y in terms of x. It is important to note which variable is being differentiated by the other as, for ...
NO
Answered by Nicholas O. • Maths tutor
7172 Views

2476 people are at a football match. The ratio of men to women is 3 : 1. How many more men than women are at the match?

Ratios are a way of comparing the amount of two things in a whole. In this case we are comparing the number of men and women in a football match, so, the total number of people at the match is equal to the s...
EB
Answered by Emma B. • Maths tutor
10551 Views