649 prompts matching "how many ways can a committee of 4 be chosen from 10 people"
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Finding the equation of a line parallel to the x-axis or y-axis through a point
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Coordinate geometry proof: isosceles triangle
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Gradient as a rate of change interpretation
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Finding the equation of a median of a triangle
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Expanding a product of two brackets
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Expanding a product of three brackets
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Factorising a quadratic with a coefficient in front of x squared
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Learn: Telling a rational number from an irrational one
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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WAEC Prep: Ordering a list of surds by size
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Practice: Multiplying a whole number by a surd
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Show All Working: Simplifying a surd expression that contains brackets
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Common Mistakes: Expanding the product of two surd brackets
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Quiz: Rationalising a denominator of the form one over root 3
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Spot My Mistake: Rationalising and then cancelling a common factor
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Show All Working: Checking a rationalised answer by decimal approximation
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