1,327 prompts matching "Forming an algebraic expression from a word problem"
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Learn: The mean, median and mode of a normal distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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WAEC Prep: The z-score of a value that lies below the mean
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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: Choosing between a binomial and a Poisson model
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WAEC Prep: The zero vector, and what it means
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WAEC Prep: Writing a two-dimensional vector in i and j form
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WAEC Prep: A three-dimensional vector parallel to another
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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Worked Example: The distance between two points in three dimensions
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WAEC Prep: A unit vector, and what makes it a unit
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Learn: The unit vectors i, j and k
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Worked Example: The triangle law of vector addition
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WAEC Prep: The angle between two three-dimensional vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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Learn: The angle between a vector and one of the axes
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WAEC Prep: Converting the vector equation of a line into Cartesian form
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WAEC Prep: The resultant force on a particle given in i and j form
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WAEC Prep: Writing a force as a vector in i and j form
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