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Factorise and Solve x^2 + 10x + 15 = -6

To factorise an equation like this we must first make the equation equal to 0 therefore it becomes: x^2+10x+21.Now we have the equation in a way that we can work with it we can factorise.To do this we need t...
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Answered by Joseph V. • Maths tutor
3658 Views

Yesterday it took 5 cleaners 4 and ½ hours to clean all the rooms in a hotel. There are only 3 cleaners to clean all the rooms in the hotel today. How much time will it take them?

Firstly we need to identify what is the underlying principle of this question and what are the assumptions we have to make. We are given some information about the cleaning process in a hotel. The variables ...
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Answered by Viola V. • Maths tutor
13262 Views

Explain the sliding filament model of skeletal muscle contraction

An action potential on a motor axon reaches the axon terminal, causing acetylcholine to be released. It diffuses across the neuromuscular cleft in synaptic vesicles and binds with acetylcholine receptors on ...
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Answered by Maddie P. • Biology tutor
2337 Views

Décris une journée typique.

Ma journée commence quand je me réveille à 7 heures du matin. Je me lève, je m'habille, je mange mon petit déjeuner et je me brosse les dents. Ensuite, ma maman m'accompagne à l'école. A l'école j'apprends b...
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Answered by Sophie B. • French tutor
11053 Views

How to answer: 'Discuss and compare the role of the speaker or persona in poems you have studied. You must refer closely to the work of two or three poets in your study and base your answer on a total of three or four poems.'

As you can see, the question requires breadth (3-4 poems) and depth (it wants you to refer closely). How should you start? Begin with the basics: quickly list 3-4 poems (making sure they're written by 2-3 po...
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