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Solve the simultaneous equations x^2+y^2=1 and x+2y=1

x=1,y=0 or x=-3/5,y=4/5
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Answered by Rosie P. • Maths tutor
4898 Views

Evaluate the pros and cons of breastfeeding.

(This is an 'evaluate' questions, which means just listing the pros and cons may not be enough, you should attempt to give a short explanation as to why breastfeeding is beneficial and why it may have downsi...
SL
Answered by Simone L. • Biology tutor
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Before an exam, I always go through as many past papers as possible but I still don't know how to do the questions on an exam when they come up, why and what can I do?

Despite getting lots of practice being very important, maths is not really a memory based subject and you shouldn't be just going through the all the questions before you have tried to fully understand the c...
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Answered by Simone L. • Maths tutor
3296 Views

I never know where to start where I get a calculation question given many values, what should I do? (e.g: finding how much energy is needed for all the ice in a glass of water to melt after the ice is dropped into warm water)

Firstly, you should always list down the values that were given to you in the question so that you know exactly what you already know, and then by looking at this list, it makes it easier for you to remember...
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Answered by Simone L. • Physics tutor
2124 Views

Describe the Christian perspective on abortion

Roman Catholics are against abortion, and usually argue that it is murder . This is on the grounds that as soon as the egg is fertilised by the sperm, there is a new life, as aspects such as eye colour are d...
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