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Although the name sounds scary, it is easier that it seems. In Latin when a gerund has an object, there is a tendency to harmonise the terminations of the two, so the object will agree with the sense of t...

Point P has x-coordinate 4, to work out the y-coordinate you should substitute x=4 into the equation of the circle. This gives you 16 + y^2 = 80. this can be rearranged to y^2 = 80 - 16 = 64. Therefore y...

Let x denote the number of boys studying French and y the number of girls studying French. Then the probability that a boy chosen random studies French is x/720 and the probability that a randomly chosen ...

Multiply both sides by r: ra+3r = 2a + 7Move a to one side: ra -2a = 7-3rFactorise left hand side: a(r-2) = 7-3rMultiply both sides by (r-2): a= (7-3r) / (r-2)

crossing over and random orientation of chromosomes occurs in Meiosis I;o Random orientation: ▪ Random orientation of homologous chromosomes creates genetic variation. ▪ There are over 8 million ways that...