1,331 prompts matching "Converting an answer back out of index form"
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WAEC Prep: Calculating a moment as force times perpendicular distance
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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WAEC Prep: A random variable, and the values it may take
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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Spot My Mistake: The probability of exactly r successes in n trials
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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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: The probability in the upper tail of a normal distribution
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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Quiz: Reading the wording of a question to decide which distribution applies
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WAEC Prep: The zero vector, and what it means
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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 unit vector, and what makes it a unit
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WAEC Prep: The distance between two points from their position vectors
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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