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What is opportunity cost?

Opportunity cost is something that we think about everyday but we don't always use that word. It is defined as the benefits lost from the next best alternative choice.This sounds wordy, but in an example it ...
EA
Answered by Emily A. • Economics tutor
2609 Views

How do I form the present participle?

With regular verbs, forming the present participle requires three easy steps:Conjugate the verb into its 'nous' form, eg. jouer - jouons / finir - finissons / vendre - vendonsNow, remove this ending. This le...
EP
Answered by Eleanor P. • French tutor
2517 Views

Why is completing the square useful and how do you do it?

Completing the square is nice and easy. If you have an equasion of the form x 2 +ax+b=0 then simply rewrite the equasion in the form (x+a/2) 2 -(a/2) 2 +b=0. This may sound complicated but is we use numbers ...
EB
Answered by Edward B. • Maths tutor
4074 Views

Expand and simplify 3(x+4) - 2(4x+1)

3(x+4) - 2(4x+1)= 3x + 12 - 8x + 2= 3x - 8x + 12 - 2= -5x + 10
PP
Answered by Pioli P. • Maths tutor
6166 Views

Explore gender in H.G. Well’s Ann Veronica.

Ann Veronica’s gender confines her to the private sphere and limits her opportunities. Her academic performance is better than her brother’s, but her father will not let her continue her studies at Imperial ...
MS
Answered by Marissa S. • English tutor
3336 Views