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How do I write a good introduction for essays?

A good introduction is very important for an essay. It conceptualises the essay and shows the examiner you understand not only the words in the question, but what the question is asking of you. A good introd...
SK
Answered by Stephanie K. • History tutor
2755 Views

How do I know which verbs take 'etre' and which verbs take 'avoir' in the past tense?

The best to learn which verbs take 'etre' is through MS VANDERTRAMP. (Then I would explain what each letter stands for). After this I would remind the student of compound verbs. For example, entrer is a verb...
GM
Answered by Gemma M. • French tutor
3960 Views

Describe the electrical conduction system of the heart and how it initiates the heart beat

The sinoatrial node (SAN) is the pacemaker of the heart and initiates a wave of excitation (impulse) at a regular interval. This wave of excitation sweeps across the walls of the atria and in doing so causes...
JM
Answered by James M. • Biology tutor
11520 Views

How do I know which nouns are feminine and masculine?

Firstly, nearly all nouns ending in "a" are feminine, so if you are not sure it's a safe bet that it's feminine. There a few exceptions (mapa, systema, programa, etc.), which you will just have to ...
BE
Answered by Bryn E. • Spanish tutor
10694 Views

Find an equation of the circle with centre C(5, -3) that passes through the point A(-2, 1) in the form (x-a)^2 + (y-b)^2 = k

step 1 remember than the a and b terms locate the centre of the circle on the axis so we can substitute in the centre values for a and b. (x-5)^2 + (y-(-3))^2 = k. (x-5)^2 + (y+3)^2 = k. Step 2. k is a const...
TW
Answered by Tim W. • Maths tutor
5633 Views