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How would you solve a quadratic equation (e.g. x^2-8x+15=0)?

There are two ways to solve the equation. One is to simply factorise it and the other is to use the formula provided in the formula booklet. The second method is probably easier when there isn't a nice ea...

JG
Answered by Jane G. Maths tutor
3029 Views

How should i structure my personal statement and what should i include/ leave out?

Introduction- a brief overview of why you want o study medicine and the necessary skills, experiences and qualities you feel you have that will allow you to succeed in such a career.

Main Body- app...

LS
2068 Views

What is the difference between the perfect and imperfect tense?

The perfect tense is used when the action being described has been completed while the imperfect tense implies that the actions is still ongoing or does not have a definite ending.

JG
Answered by Jane G. French tutor
1973 Views

a sample of hydrated NiSO4 witha mass of 4.414g is heated to remove all water crystallisation. The resultant mass is 2.287g. How many H2O molecules to each NiSO4 were there in the original sample

Mr of NiSO4 is 154.8 g/mol Mr of H2O is 18

Mass of NiSO4 in sample is 2.287 g Mass of H2O in sample is 4.414-2.287 = 2.127g

divide mass of each of NiSO4 and H2O by Mr to obtain the ratio in ...

CS
Answered by Calum S. Chemistry tutor
3265 Views

What do I do if I don't know the answer to the professor's question?

Don't worry, they are doing this on purpose! Oxbridge interviews aren't meant to trick you, but they are meant to test how you cope with new information and working things out on your own.

The inte...

TR
2790 Views

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