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How does Pythagoras Theorem work?

Pythagoras theorem works to find out an unknown side length of a right angles triangle (RAT) knowing the other two lengths. A RAT has 3 sides called a hypotenuse (longest side), and two smaller sides. We cal...
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Answered by Caitlin B. • Maths tutor
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Using a demand and supply diagram, comment on the likely impact on the market for new houses of relaxing planning regulations? (6)

The relaxing of planning regulations would mean that it would be easier to develop and build new houses due fewer constraints on developers. (1st mark application ) This would therefore mean that the supply ...
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Answered by Fergus M. • Economics tutor
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What is a exothermic reaction?

An exothermic reaction is one where the products have less energy than the starting reactants. This means the reaction must give out energy, usually in the form of heat or sound. As a result of this, H (the ...
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Answered by Fraser P. • Chemistry tutor
4463 Views

Explain how a standing wave is formed

A standing wave is formed when two waves travelling in oposite directions interfere with each other. The waves will be exactly one half wavelength out of phase, and this phase difference allows them to infer...
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Answered by Fraser P. • Physics tutor
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I find conversations and pronunciation specially difficult. How can I get better?

Listening to your own voice in a different language takes time to get used to. As with most skills, the more you practice, the better you get at it. Reading Spanish out loud will help you get more familiar w...
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Answered by Zenely R. • Spanish tutor
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