Top answers

Solve the simultaneous equations: 5x + y = 21, x - 3y = 9

Call '5x + y = 21' equation 1 and 'x - 3y = 9' equation 2. To solve this, we need the coefficients of x in both equations to be the same or the coefficients of y in both equations to be the same. Method 1 - ...
BI
Answered by Basil I. • Maths tutor
5317 Views

Referring to HG Wells' 'Time Machine', how does the author in lines 12-25 of the extract use language and structure to show the narrator's thoughts and feelings about the people he meets? (Edexcel GCSE 2018)

One way in which Wells uses language to portray the narrator's sentiment about new people is by certain literary devices such as pathetic fallacy and alliteration. The narrator describes the 'warm air' aroun...
AW
8664 Views

Factorise 3x+12

We should start by looking for the highest common factor of the 2 numbers involved in the equation (3&12)If you cannot do this immediately in your head, create a factor tree or list the factors3: 312: 2,...
ET
Answered by Ellis T. • Maths tutor
12799 Views

Write the word equation for a reaction which could be used to make this ester : CH3(CH2)2COOCH2CH3

Ethanol and Butanoic acid are used to form the ester is ethyl butanoate AND waterFirst part of the molecule is the carboxylic acid group and the second comes from the alchohol, These two bond to form an este...
ES
Answered by Eva S. • Chemistry tutor
4425 Views

How should I write an introduction for my English literature essay?

When writing an English literature essay it is always important to first introduce the book, poem or text you are writing about.Firstly, begin by setting the text in its immediate context. This means describ...
HM
Answered by Hermione M. • English tutor
2688 Views