Top answers

Simplify 2a+6b-a+2b+3a

Look for the corresponding letters to each number. So, as an example those with a. remember that the + or - before it tells us whether it is to be added or subtracted There are 2a-a+3a so that = 4a With b th...
TH
Answered by Tom H. • Maths tutor
5339 Views

Factorise fully 8y + 4y^2

This question relies on knowledge of algebraic expressions and highest common factors. What is the highest common factor which goes into the expressions 8y and 4y^2. The answer is 4y. This is then taken on t...
AT
Answered by Abhinav T. • Maths tutor
8625 Views

Starting with this extract, how does Dickens present Scrooge as an outsider to society?

Dickens presents Scrooge as an outsider in this extract by the way he is described. He uses pathetic fallacy in the first paragraph to represent how Scrooge is ‘colder’ than anything weather can throw at him...
KH
74232 Views

I can't figure out this question to do with VAT. VAT is charged at 20%. A TV is for sale for £650 inc. VAT in Good Electronics and the same TV is for sale £495 exc. VAT in Wright's Electricals, where is it cheaper?

I can't figure out this question to do with VAT. VAT is charged at 20%. A TV is for sale for £650 inc. VAT in Good Electronics and the same TV is for sale £495 exc. VAT in Wright's Electricals, where is it c...
WH
Answered by William H. • Maths tutor
6034 Views

How does the structure of benzene differ from the pre-assumed structure of 1,3,5-cyclohexatriene? *Kekule's structure*

(drawing of the two) There are three main ways that we can tell the correct structure of benzene consists of a delocalised ring. They are: the delocalised structure is more stable that the proposed alkene st...
FN
Answered by Freya N. • Chemistry tutor
10850 Views