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Where does the quadratic formula come from?

This is one of the most common a level math question. One which is essential to understand as it gives a firm understanding of core fundamental principles in math which are Completing the square and Algebra ...
RM
Answered by Riyadh M. • Maths tutor
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Rellena los espacios en blanco.

- I have a computer in my bedroom._____ ( tener ) un ordenador en mi habitación. - I watch the television with my sister._____ ( ver ) televisión con mi hermana. - I want to eat a salad because its healthy._...
CV
Answered by Carolina V. • Spanish tutor
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What makes a personal statement stand out?

This is one of the most common questions I have received from students I have helped in the past. I have had lots of experience writing and editing my own personal statements for medicine (more than once), w...
PS
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Describe the events that take place to generate an action potential at a nerve synapse

A synapse is a chemical junction between a neurone and another cell. This next cell is often another neurone or a muscle cell. In this case we will describe a synapse between a two neurone cells. When an act...
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Answered by James L. • Biology tutor
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What is the difference between eukaryotic and procaryotic cells?

Procaryotic cells lack organelles (e.g. nucleus) and other internal membrane-bound structures (e.g. endoplasmatic reticulum). Most of their genetic material (i.e. DNA) forms an irregularly shaped structure, ...
SS
Answered by Sarah S. • Biology tutor
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