648 prompts matching "Rearranging a formula from Nigerian trade or building"
Worked example: Testing the vertices of the feasible region
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WAEC pitfalls: Ignoring the non-negativity constraints
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Worked example: The mean deviation of an ungrouped data set
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Spot my mistake: Drawing sector angles that do not total 360 degrees
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Worked example: Rounding a number whose leading digits are zeros
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Explain back: Why percentage error is more useful than absolute error
I have just studied why percentage error is more useful than absolute error in my SS3 Math
Worked example: The percentage error left by a rounded calculation
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WAEC pitfalls: Giving a percentage error as a negative quantity
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Exam timing: A timed set of percentage error questions
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Real-life Nigeria: Why first principles justifies the power rule
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Real-life Nigeria: Finding the gradient function of a given polynomial
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Real-life Nigeria: The resultant velocity of a boat crossing a river
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Real-life Nigeria: The lines of symmetry of a described figure
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Real-life Nigeria: Scale drawings and the scales printed on maps
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Real-life Nigeria: The identity matrix, and what it does
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Real-life Nigeria: What a zero determinant tells you about a system
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Real-life Nigeria: Recognising a system that has no unique solution
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Real-life Nigeria: Where a graphical method beats an algebraic one
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Real-life Nigeria: Mean deviation set beside standard deviation
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Real-life Nigeria: How many figures an answer ought to carry
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