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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
6090 Views

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...
TB
17633 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
7483 Views

Why do transition metals form coloured solutions?

White light is a mixture of different colours of light (e.g red, green and blue) and each colour has a different wavelength. For something to have colour, it needs to absorb certain wavelengths (or colours) ...
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Answered by Yusuf B. • Chemistry tutor
13859 Views

Describe the process of a binary search.

A binary search requires a ordered list. The search first finds the data entry in the middle of the list, and checks whether it is larger or smaller than the data it is looking for. It then removed half the ...
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Answered by Michael T. • Computing tutor
3764 Views