1,199 prompts matching "how many ways can a committee of 4 be chosen from 10 people"
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Spot My Mistake: The double angle formula for sine
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Spot My Mistake: Solving an equation by first applying a Pythagorean identity
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WAEC Prep: Solving an equation by first applying a double angle formula
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Quiz: The tangent curve and its asymptotes
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Worked Example: The midpoint formula applied to a given segment
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Spot My Mistake: The general form ax plus by plus c equals nought
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WAEC Prep: Proving two given lines parallel from their gradients
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Quiz: Finding the centre and the radius from the general equation
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Learn: The parabola y squared equals 4ax, with its focus and directrix
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Practice: The ellipse in standard form, and its two axes
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WAEC Prep: The hyperbola in standard form, and its asymptotes
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Quiz: The semi-interquartile range
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Practice: The mean deviation from the mean
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Worked Example: The sign convention for clockwise and anticlockwise moments
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WAEC Prep: A couple, and why its moment is the same about every point
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Worked Example: Relative velocity when two bodies move along the same line
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Quiz: Relative velocity when the two motions are at right angles
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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Learn: Two particles joined by a light inextensible string over a smooth pulley
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