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Factorise 2b^2 + 6b

1 - We first need to find a common factor, something that is the same in both parts of the expression.

2 - Then we need to take this out of the expression by dividing both parts of the ex...

GA
Answered by Gadah A. Maths tutor
6919 Views

A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]

To gain all of the marks, 4 different points must be made. To begin, state what is obvious:

The density of the gold nucleus is much greater than the density of the gold atom.

...
RL
Answered by Rebecca L. Physics tutor
10082 Views

How do I use "Essere" and "Avere" in the perfect tense?

First of all, in Italian the perfect tense has a precise structure:

-The auxiliary verb, essere or avere, in his present form (Io ho, tu sei, egli ha)

-The past participle, ...

FP
Answered by Filippo P. Italian tutor
6492 Views

How do I structure an essay?

One useful way of structuring an essay is to divide it into sections as follows:

Introduction: This should use words from the question and briefly summarise what you will argue/examine/di...

ME
4148 Views

How do I structure a good personal statement?

The opening of your statement should be a short sentence regarding your area of study. You should briefly explain what elemnts fascinate you within this subject and highlight some of your qualities. Re...

ME
4228 Views

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