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Sasha has a bag containing 12 red beads, and 8 blue beads. She draws one bead from the bag at random. What is the probability that it is blue?

There are 12 + 8 = 20 beads in the bag in total.If sasha draws a bead at random then she has 8 chances out of 20 possible beads that the bead is blue. So the probability that the bead is blue is 8/20 = 2/5
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Answered by Alexander W. • Maths tutor
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How do I sketch the graph y = (x^2 + 4*x + 2)/(3*x + 1)

This is an example of a rational function. So to sketch it, we need to know three things: 1) where it crosses the x and y axis 2) Where its turning points are, if it has any 3) Where its asymptotes are, if i...
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Answered by Alexander W. • Maths tutor
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What is the nativist approach in terms of Child Language Acquisition?

The nativist approach was put forward by Noam Chomsky, stating that children's brains contain a Language Acquisition Device which holds the grammatical universals. This theory came about as children have bee...
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Where does the water come from that is given off when making an ester?

One hydrogen (-H) from the alcohol group (-OH) on the alcohol breaks off and joins with the alcohol (-OH) group that breaks off of the carboxylic acid (-COOH). So the -H from alcohol joins the -OH from carbo...
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Answered by Hannah P. • Chemistry tutor
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What is the best way to begin a Medical Personal Statement.

People often get told to find a way to stand out. The problem is, there are 1000s of students all attempting the same thing. This means that anything you think is witty and original, the admissions people wi...
HM
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