755 prompts matching "A selection with at most a stated number of one kind"
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Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Finding the common ratio from given terms
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Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
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Series exam question with show all working
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Midpoint of a line segment
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Gradient of a line joining two points
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Gradient from a linear equation
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Length of a line segment on a graph
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Vertical and horizontal line equations
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Finding an unknown coordinate using the gradient formula
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Coordinate geometry exam question: quadrilateral vertices
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WAEC-style past question on coordinate geometry
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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 the sum and difference of two cubes
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Solving simultaneous linear equations by substitution
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Solving simultaneous linear equations by elimination
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Changing the subject of a simple formula
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Simplifying an expression with brackets and indices together
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