751 prompts matching "Subtracting in modulo six (IGCSE Marking)"
WAEC pitfalls: The identity relating sine squared and cosine squared
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WAEC pitfalls: Adding the probabilities of events that can happen together
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WAEC pitfalls: The gradients of two parallel lines
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WAEC pitfalls: A pricing problem where cost varies with two quantities
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WAEC pitfalls: Carrying wrongly when adding partial products in base 2
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WAEC pitfalls: The reference angle for an angle above ninety degrees
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WAEC pitfalls: Losing a root by dividing through instead of factorising
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WAEC pitfalls: The carry rule when adding in base two
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WAEC pitfalls: Expressing an inequality solution in set notation
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WAEC pitfalls: The region belonging to exactly two of three sets
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WAEC pitfalls: Quoting the mean for data that contains an extreme outlier
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WAEC pitfalls: Finite, infinite and equal sets distinguished
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WAEC pitfalls: Taking the coordinates in the wrong order when finding a gradient
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WAEC pitfalls: Finding the constant of a direct variation
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WAEC pitfalls: Reading the fractional digits of a converted number in the wrong direction
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WAEC pitfalls: A three-set problem in which one region is unknown
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WAEC pitfalls: Why the interpolation formula gives only an estimate
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WAEC pitfalls: Multiplying probabilities for events that are not independent
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WAEC pitfalls: The values that make an algebraic fraction undefined
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WAEC pitfalls: A quadratic inequality with no real critical values
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