749 prompts matching "Proving that the angle sum of a triangle is 180"
Worked example: Testing the vertices of the feasible region
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Practice set: Finding the maximum of an objective function
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Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
Worked example: The mean deviation of an ungrouped data set
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Practice set: The mean deviation of grouped data
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Spot my mistake: The truth table for 'if p then q'
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Spot my mistake: Cancelling h before the limit has been taken
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Spot my mistake: Forgetting to reduce the index by one
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Spot my mistake: Differentiating with respect to the wrong variable
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Spot my mistake: Subtracting the limits in the wrong order
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Spot my mistake: Adding vectors by adding their magnitudes
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Spot my mistake: Subtracting the position vectors in the wrong order
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Spot my mistake: Adding the column vector to the wrong coordinate
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Spot my mistake: Measuring the scale factor from the wrong centre
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Spot my mistake: Multiplying by the inverse on the wrong side
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Spot my mistake: Plotting cumulative frequency at the class midpoint
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Spot my mistake: Rounding twice and drifting away from the true value
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Spot my mistake: Applying the simple interest formula to a compound problem
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Explain It Back: Describing the earth as a sphere: points and lines
Act as my SS3 Maths tutor. Let me summarise what I understand about describing the earth a