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Answer the following simultaneous equation:

Equation 1) x 2 +y 2 =5 (Equation 2) y=3x+1 The value of x is the same in both equations, as is the value of y. Therefore we can use one to work out the other. for example taking equation 1 and definining x ...
JS
Answered by Jenn S. • Maths tutor
4774 Views

How do I prepare for the listening exam?

In short, get listening to as much French as possible! It may seem simple and obvious but it is honestly the best way to improve your listening skills and it will also help your pronunciation when it comes t...
HS
Answered by Hannah S. • French tutor
4502 Views

What is the 'conditional' in French, and how do you use it?

What does it mean? It’s one of the four ‘moods’ in French (the others are: indicative, subjunctive and imperative) Because it’s a mood, it can be used in a number of tenses. Simplest (and the one you'll most...
MC
Answered by Morna C. • French tutor
4479 Views

How can two brown-eyed parents have a blue-eyed baby?

Most of our characteristics, such as eye colour, are encoded by a pair of alleles. These are different forms of the same gene, one inherited from the father and one from the mother. You can get dominant and ...
AS
Answered by Amber S. • Biology tutor
34662 Views

y = x*(x-2)^-1/2. Prove dy\dx = (x-4)/2*(x-2)^3/2

Firstly, when approaching a differentiation question you need to work out what method you need to use to solve it. As you can see there are two terms multiplied by one another (the 'x' term and the '(x-2) -1...
GR
Answered by Graham R. • Maths tutor
7560 Views