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The average temperature in May is 18 ºC. The average temperature in November is a third of the average temperature in May. The average temperature in September is twice the average temperature in November. What is the average temperature in September?

This question has multiple stages to go through, so firstly we see what they are looking for you to have found by the end of the question, which is the average temperature in September. Looking at the inform...
HM
Answered by Hannah M. • Maths tutor
5236 Views

How do you rationalise the denominator?

Defintions Rationalising the denominator means rewriting a fraction so that the bottom only contains rational numbers. Remember: A rational number is one that can be made by dividing two whole numbers (e.g. ...
JO
Answered by John O. • Maths tutor
6927 Views

Find the point of intersection between two lines y=2x+4 and 2y+3x=1:

Initially drawing a diagram of the two lines helps to establish whether values should be positive or negative and gives a rough approximation of where the answer may be: By doing this we see the point of int...
MW
Answered by Michael W. • Maths tutor
6008 Views

Solve the simultaneous equations: 3x+5y=3 and 6x+6y=10

(1): 3x+5y=3 (2): 6x+6y=10 Multiply number one by two to give a common factor of 6x in both equations. (3)=[2*(1)]- 6x+10y=6 Take away equation (2) from equation (3) to leave us with only y's and numbers so ...
EO
Answered by Ethan O. • Maths tutor
4929 Views

How would you sketch the curve of a graph?

A frequent question the comes up in the early parts of core maths is; how would you sketch the graph of a function f(x)? Sketching just means that you would have to find some key points on a graph - which ar...
KW
Answered by Kieran W. • Maths tutor
5148 Views