1,301 prompts matching "Inserting an arithmetic mean between two numbers"
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Learn: The meaning of n choose r, and how to evaluate it
You are my personal SS3 Further Mathematics tutor. Teach me the meaning of n choose r, and
Worked Example: The difference between a permutation and a combination
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the di
Explain Back: Choosing a committee with a stated number from each of two groups
I have just studied choosing a committee with a stated number from each of two groups in m
WAEC Prep: Pascal's triangle and the combination numbers in it
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Practice: The ellipse in standard form, and its two axes
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Practice: The mean deviation from the mean
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Show All Working: Replacing two parallel forces by a single resultant
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Quiz: Relative velocity when the two motions are at right angles
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Show All Working: The time at which two bodies are nearest one another
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Spot My Mistake: Two particles on a pulley at the top of an inclined plane
Act as my SS3 Further Mathematics tutor. Work a question on two particles on a pulley at t
Learn: Hooke's law, and what the modulus of elasticity means
You are my personal SS3 Further Mathematics tutor. Teach me Hooke's law, and what the modu
Practice: The difference between an elastic string and a spring in compression
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Spot my mistake: Negating the leading diagonal and swapping the other two entries when inverting a 2 by 2 matrix
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Spot my mistake: Treating the dot product of two vectors as another vector
Act as my SS3 Further Mathematics tutor. Write a short answer on treating the dot product
Explain back: difference between permutations and combinations
I am in SS 3. Let me explain in my own words why order matters for permutations but not fo
Find the resultant of two forces #5
I am in SS 3. Give me a problem with forces of 20N due east and 14N due north and ask me t
Explain the meaning of a probability distribution
I am in SS 3. Explain what a probability distribution is and how it differs from a single
Position vectors and displacement between points #1
I am in SS 3. Give me a vectors problem where I have points A(2,3) and B(5,-1), find vecto
Position vectors and displacement between points #2
I am in SS 3. Give me a vectors problem where I have points A(1,2,3) and B(4,0,-2), find v