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Solve the simultaneous equations: 5x + 3y = 9 and 7x - 2y = 25.

To solve these similar equations, we must either first eliminate x or y. There are multiple ways of doing this, one being rearranging one of the equations so that it is either "x=.." or "y=......
MG
Answered by Màiri G. • Maths tutor
12733 Views

How do you increase the rate of a reaction?

A reaction will occur if two reactants collide with each other with enough energy to overcome the 'activation energy'. The activation energy is the minimum amount of energy the reactant particles need in ord...
RR
Answered by Ruby R. • Chemistry tutor
5443 Views

How do I write a personal statement? What should it include?

A personal statement is your way to convince a university that you are good enough and have enough interest in your chosen subject to be on their course. A good personal statement should explain what skills ...
SP
3720 Views

What is Pythagoras' theorem?

Pythagoras' Theorem is a rule for right-angled triangles which is used to solve problems. Explanation: For any right-angled triangle, the longest side (opposite the right angle) is called the hypotenuse . If...
SP
Answered by Sarah P. • Maths tutor
6819 Views

How do I analyse an unseen poem?

Opening up an exam paper and being confronted with a poem which you have never seen before is understandably daunting, however the first thing which is essential to good analysis is to REMAIN CALM. First, be...
MJ
14528 Views