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How can we solve a two-equation, two-unknown values?

If we have two equations that look like this: a1 * x + b1 * y = c1 and a2 * x + b2 * y = c2 where x,y are variables and a1,a2,b1,b2 are coeficients. then we solve it using the following method: We choose eit...
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Answered by Cosmin B. Maths tutor
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How can I check if my reaction equations are correct?

The basic principle about chemical reactions is that whatever goes in one end, will undoubtedly come out the other! The simplest way to make sure your reactions are correct is to count what you have on each ...
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Answered by Alexia K. Chemistry tutor
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How do I plan an essay for an A Level English Literature question?

Firstly and ideally, some time should go into researching and choosing critical and textual material to use in your essay. Next: choose your arguements. Some people prefer to write the body of an essay first...
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17448 Views

How do internal stimuli affect a positive and a negative feedback loop?

Deviation from homeostasis causes the activation of feedback loops in order to restore equilibrium to the organism. An example of a negative feedback loop is the homeostasis of blood glucose; the increase in...
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Answered by Alexia K. Biology tutor
7335 Views

What should I focus on in my personal statement?

Your personal statement is all about conveying why you are a good candidate for what you're applying to, but this doesn't mean you should only be focusing on your academic achievements! Extra-curricular acti...
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