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P is directly proportional to Q. When Q = 6, P = 15. Work out the value of P when Q = 3.5

If P is directly proportional to Q then that means if Q increases P will also increase. If Q decreases P will also decrease. Two values that are directly proportional to each other are related to each other ...
ZT
Answered by Zsolt T. • Maths tutor
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What does genotype mean?

Genotype is the genetic composition for a particular phenotype. It involves both alleles from both the father and mother. So a genotype of the colour of eyes (blue) could be bb or BB or Bb.
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Answered by Farid A. • Biology tutor
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Examine the sequence 1 + 1/3 + (1/3)^2 + … + (1/3)^n Under what condition does it converge? What does it converge to?

This is a sequence in the form 1 + c + c 2 + … c n 1 + c + c 2 + … c n * (1 - c) = 1 – c n+1 So we can rewrite the sequence as 1 – c n+1 / 1 - c Which is the same as 1 / 1 – c – c n+1 / 1 - c Since 0 <= c...
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Answered by Hanaan Y. • Maths tutor
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How do you analyse a primary source?

The easiest way to analyse a primary source (a source from the time period you are studying) is to remember the 4 Ws: WHAT: What type of source is this? A letter, a picture, a diary entry? WHEN: When was it ...
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Answered by Jennie S. • History tutor
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Explain why graphite is able to conduct electrcity and diamond is not

Carbon in graphite has three bonds, where as the carbon atoms in diamond form four bonds to one another. As carbon has 4 electrons in its outer shell, this means graphite has one free electron which is able ...
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Answered by Qasim J. • Chemistry tutor
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