755 prompts matching "Counting the number plates or codes that can be formed under a rule"
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What makes a number a surd
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Multiplying two surds together
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Rationalising a denominator with a single surd
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Explaining why we rationalise denominators
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Surds and indices together in one question
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Surds in a coordinate geometry distance calculation
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Union and intersection of two number sets
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Three-set Venn diagram word problem
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Logical reasoning with 'and' versus 'or' in sets
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Number of elements in a set from a Venn diagram region count
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Deciding whether a geometric series converges
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Arithmetic mean between two numbers
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Geometric mean between two numbers
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Word problem: geometric sequence in a growth context
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Solving for x when three terms are in arithmetic progression
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Solving for x when three terms are in geometric progression
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Three consecutive terms word problem
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Alternating sequences and their pattern
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Show all working: multi-part coordinate geometry question
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Coordinate geometry proof: right-angled triangle
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