1,300 prompts matching "Simplifying an expression with letters and indices"
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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WAEC Prep: The statement of Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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WAEC Prep: A probability distribution shown as a bar chart
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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WAEC Prep: The probability of at most r successes
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WAEC Prep: The most likely number of successes in n trials
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WAEC Prep: The four conditions a binomial situation must satisfy
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Spot My Mistake: The probability of exactly r successes in n trials
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WAEC Prep: The probability of at least one event in a Poisson distribution
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WAEC Prep: A Poisson distribution taken over a different length of interval
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Quiz: The situations a Poisson distribution models
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WAEC Prep: The expected number of successes in a practical problem
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WAEC Prep: The points of inflexion of the normal curve
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WAEC Prep: Why the total area under the normal curve is one
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: The probability that a normal variable lies below a given value
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Learn: The probability that a normal variable lies between two values
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Quiz: The probability in the upper tail of a normal distribution
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