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Express 50p as a fraction of £4 and give your answer in its simplest form.

Firstly we know that £1 equals 100p. Then we could write 50p as £0.5 (As 50/100= 5/10= 1/2= 0.5), which is equivalent. Now we do the fraction, £0.5 over £4, which is 0.5/4, enlarge both of the numerator and ...
JH
Answered by Joy H. • Maths tutor
21809 Views

What are radians and what are they used for?

Radians are a unit of measurement. They work in the same way that we use ounces to measure mass or metres to measure length. Radians are however used to measure angles, the more common unit of measuring angl...
LS
Answered by Linfan S. • Maths tutor
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Given that y = ((4x+3)^5)(sin2x), find dy/dx

First of all, we have to use the product rule, since two things are multiplied together. The product rule states that d/dx (u*v) = vu' + uv' Let u = (4x+3) 5 v = sin(2x) Now, to find u' and v' we have to fin...
JN
Answered by Juozas N. • Maths tutor
3744 Views

Solving Quadratic Equations

x^2+5x+6=0 When solving quadratic equations our goal is to revert back into the form (x+a)(x+b) from the form ax^2+bx+c Thus we need to have a method when completing this: A good method in this case is that ...
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Answered by Anoop N. • Maths tutor
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How many thirds are there in 9?

Number of thirds in 1 = 3 Number of thirds in 9 = (number of thirds in 1) * 9 = 27 thirds
JJ
Answered by Jaredd J. • Maths tutor
3805 Views