Mathematics, 24.08.2019 15:20, kira96

There are 9 students in a class: 7 boys and 2 girls. if the teacher picks a group of 3. at random, what is the probability. that everyone in the group is a boy ?

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Which of the following expressions is equal to 2x^2+8

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If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

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The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

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There are 9 students in a class: 7 boys and 2 girls. if the teacher picks a group of 3. at random,...

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