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I really don't understand what the types of inflation are.

It is important to understand that any type of inflation is the rise of goods and services across the economy over a period of time. The reason why this occurs is that resources are finite- which means they'...
LS
2811 Views

How to solve the following for x: (2x+3)/(x-4) - (2x-8)(2x+1) = 1

(The full answer produced answer is annotated working out, but since this text box won't let me submit pictures, I'll do my best to transcribe)First, we gather the two fractions by using a common denominator...
CF
Answered by Cal F. • Maths tutor
3794 Views

The equation x^2+ kx + 8 = k has no real solutions for x. Show that k satisfies k^2 + 4k < 32.

If a quadractic equation ax^2 + bx + c = 0 has no real solutions, this means that the discriminant is less than 0, i.e. b^2-4ac&lt;0. Let's put our equation in this form: x^2 + kx + 8 = k rearranges to x^2 +...
TD
Answered by Tutor91955 D. • Maths tutor
15882 Views

What techniques can be used to improve my scores on the abstract reasoning section of the UKCAT?

The Abstract Reasoning section of the UKCAT tests the ability to interpret patterns amongst abstract shapes with irrelevant and distracting information. The section is highly time pressured so critical evalu...
AS
Answered by Adam S. • UCAT tutor
2308 Views

Explain what happens to a crystal of iodine when it is heated (5marks)

A crystal of iodine sublimes from its solid state to its gaseous state without turning into a liquid. Iodine forms a molecular covalent crystal. This means that there are strong covalent bonds within the mol...
MI
Answered by Meghna I. • Chemistry tutor
25132 Views