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What is the key to writing Spanish essays?

From my experience, Spanish writing at both GCSE and at A-Level depends greatly on the quality of your essay. It is divided up into 4 marking sections.

Content of the essay (/25)

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Answered by Jordan S. • Spanish tutor
1906 Views

How do you 'complete the square' of a quadratic equation?

To complete the square, we need to rearrange the quadratic equation in the form of ax² + bx + c into the form r(x + p)² + q, where our task is to find the values of the unkowns of r,...

Answered by Ryan B. • Maths tutor

2792 Views

Identify three types of long-term memory and give an example of each type

Long-term memory is one of the two storage types of memory. Long-term memories are memories that we are able to keep over a timescale of a couple of minutes to a whole lifetime. There are two types of lon...

Answered by Brendan W. • Psychology tutor

13468 Views

Using the trigonometric identity (sinx)^2 + (cosx)^2 = 1, show that (secx)^2 = (tanx)^2 + 1 is also a trigonometric identity.

We can divide by (cosx)^2 across the identity (sinx)^2 + (cosx)^2 = 1 (which can be derived from properties of the unit circle and a bit of Pythagoras’ theorem) to achieve

[(sinx)^2 / (cosx)^2] + [...

Answered by Annie B. • Maths tutor

3297 Views

These are the selling prices of 5 houses in 2007: £145 000, £170 000, £215 000, £90 000, £180 000 (a) Work out the mean selling price.

The mean is also known as the average. To work out the mean you need to add all the house prices together and then divide by the number of houses. So in this example the total price of the houses is 14500...

Answered by James P. • Maths tutor

2722 Views