1,334 prompts matching "Explain permutations and combinations back to me"
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WAEC Prep: Resolving a force into horizontal and vertical components
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Learn: Choosing the point about which to take moments
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WAEC Prep: The moment of two equal and opposite parallel forces
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WAEC Prep: The total moment of two forces about the same point
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Worked Example: The total moment of three parallel forces about one end
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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: The triangle of forces and concurrence taken together
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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Learn: The mean, median and mode of a normal distribution
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: Finding the mean or the standard deviation from a given probability
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Quiz: Writing a two-dimensional vector as a column
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Practice: The components of a vector given its magnitude and direction
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Spot My Mistake: Drawing a vector as a directed line segment
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WAEC Prep: A three-dimensional vector parallel to another
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Quiz: The direction cosines of a vector in three dimensions
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WAEC Prep: A vector of magnitude one in three dimensions
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WAEC Prep: The magnitude of a two-dimensional vector
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Learn: The magnitude of a three-dimensional vector
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