1,334 prompts matching "Cross-multiplying to solve an equation with fractions"
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Practice: Evaluating AB minus BA
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Worked Example: The weight of a body as mass times g
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Practice: The parallelogram law of forces
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WAEC Prep: Summing the components of several concurrent forces
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WAEC Prep: Drawing a clear force diagram for a body at rest
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WAEC Prep: The polygon of forces for several forces in equilibrium
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Worked Example: The moment of a force about a point on its own line of action
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WAEC Prep: Why three non-parallel forces in equilibrium must be concurrent
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Practice: Resolving three forces in two perpendicular directions
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WAEC Prep: The statement of Lami's theorem
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WAEC Prep: The four conditions a binomial situation must satisfy
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Practice: The probability of at least one success
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Practice: The probability of exactly r events in a Poisson distribution
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Worked Example: The probability of no events at all in a Poisson distribution
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: The probability that a normal variable lies below a given value
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Practice: Using the normal tables when the z-score is negative
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: The dot product worked out from components
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Practice: Deciding whether a point lies on a given line
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