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Pythagoras: If you have a right angled triangle PQR, and length PQ=5cm, length QR=8cm (which is the longest length), then calculate length PR to two decimal places.

Pythagoras' theorem is: a^2+b^2=c^2 (a=short side, b=short side, c=longest side/hypotenuse, ^=squared). Now applying that to this question would mean that a=PQ, b=PR and c=QR. So we can use the figures given...
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Answered by Pree S. • Maths tutor
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What is Unemployment?

Unemployment is the number of people that do not have a job, but have been actively searching for a job for at least 4 weeks. The unemployment rate can be calculated by dividing the number of people unemploy...
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Answered by Sonam S. • Economics tutor
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What is the subjuntive?

The subjuntive is a special form of the verb used in certain cases. It is often used as to express a mood, and serves to enhance the speaker's reaction to what is being said. The subjunctive could be used in...
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Answered by Olivia L. • French tutor
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What cognitive interview method techniques could a police officer use to find out what a witness recalls about an event?

The Cognitive Interview technique (Fisher and Geiselman, 1992) is an interview method devised to enhance the retrieval of information from a witnesses memory. It consists of a series of memory-enhancing tech...
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Answered by Olivia L. • Psychology tutor
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How do I decide my question?

What interests you? You're going to be dedicating a chunk of your time to researching and working on this project so it is best if what you are researching interests you. It doesn't matter so much if you fee...
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