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How would you convert a recurring decimal to a fraction?

With this question, it is useful to work with a specific example, so let’s take the recurring decimal 0.27. The first step in converting it to a fraction is to set it equal to x, this will help us with ou...

ML
Answered by Matthew L. Maths tutor
6216 Views

How do I find the co-ordinates and nature of the stationary points on a curve?

The stationary points on a curve are the exact point of a maximum, minimum or point of inflection. They can be defined as points where the gradient, dy/dx = 0. You can show this by drawing a tangent to th...

ML
Answered by Matthew L. Maths tutor
6388 Views

Let f(x)= 5x-10 and h(x)= -5/x. A) Find fh(x). B) Find hf(x)

A) Find fh(x) This question is asking you to find the result when the function h(x) is sent through f(x). It is also not giving any numbers so the answer should be in terms of x. To answer this you should...

IS
Answered by Isobelle S. Maths tutor
6397 Views

Find the length of the longest side in this triangle.

Diagram of triangle with a right angleTwo sides on the right angle = a & b
a2 + b2 = c2
Therefore, if a = 5 and b = 12: then c = 13.

CM
Answered by Colette M. Maths tutor
3074 Views

Sarah used to earn 80£ per week, however she was given a 5% pay rise, what are her weekly earnings now?

METHOD 1:Required Formula: Percentage Change(%)=100x(Final value -Initial value)/(Initial value) Percentage Change = 5% (this is positive 5% since Sarah has a price raise, if Sarah had a 5% wage decrease ...

JK
Answered by Jonathan K. Maths tutor
3861 Views

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