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Find the highest common factor of 432 and 522

To do this, we first need to calculate the prime factorisations of 432 and 522, that is to say we need to break the numbers down into their prime factors.Let's start with 432. 432 = 2 x 216432 = 2 x ( 2 x 10...
MP
Answered by Melissa P. • Maths tutor
15562 Views

Can you explain the formula method for solving quadratic equations?

We can use the formula method (for solving quadratic equations) to find 'roots' or values of x that satisfy or 'work out' for a given quadratic equation of an unknown variable (say x.) The formula is:x=-b(+o...
DM
Answered by Daniel M. • Maths tutor
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What is the equation for complete combustion and what does it require?

The equation for complete combustion is: hyrdocarbon + oxygen -> water + carbon dioxide A plentiful supply of oxygen is required in order to ensure complete combustion.
CL
12079 Views

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
4875 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
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