Top answers


Solve the equations x-y=1 and 5x-3y=13

These equations are what we call 'simultaneous' which means they are solved together. To do this, we need to make one of the variables (x or y) the subject of either of the equations.Rearranging the first eq...
CK
Answered by Christopher K. Maths tutor
5016 Views

Draw the full structual diagram of ethyl-ethanoate, labeling relevent bond angles and explain why the molecule has this structure.

(unable to draw diagram and upload in this format) ethyl ethanoate has the semi structural formula of CH3COOCH2CH3. According to electron repulsion theory the bond angle around the second carbon atom would b...
Answered by Chemistry tutor
8256 Views

What is Iambic Pentameter in Shakespeare's work?

Iambic Pentameter is a meter which Shakespeare frequently uses in his poetry and plays. Let's break the term down: An 'Iamb' is an unstressed syllable followed by a stressed syllable ('daDUM.')'Penta' means ...
PF
11525 Views

How do I approach a source question?

Firstly, you must always check any accompanying text with the source which could provide the date of publication and potentially where it was published or written. Once this is established you may use your o...
BR
Answered by Bethany R. History tutor
2522 Views

Solve x^2 + 7x + 6 = 0

ax 2 + bx + c 1) First factorise the quadratic equationTwo numbers whose product is 'c' and sum is 'b'In this question, c= 6 and b= 76 x 1 = 6 and 6 + 1 = 7So your two numbers are 6 and 1--> x 2 + 7x + 6 ...
NW
Answered by Natasha W. Maths tutor
4807 Views