1,301 prompts matching "A savings problem modelled by an arithmetic progression"
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WAEC Prep: Pre-multiplying a column vector by a matrix
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WAEC Prep: Post-multiplying a row vector by a matrix
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WAEC Prep: Reading the order of a matrix as rows by columns
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
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Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
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Learn: The order of the steps in inverting a 3 by 3 matrix
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Quiz: Checking a 3 by 3 inverse by multiplication
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WAEC Prep: A three-unknown system arising from a word problem
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Worked Example: Checking the solution of three equations by substitution
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WAEC Prep: The forces on a body suspended by a single string
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WAEC Prep: A rigid body held in equilibrium by four forces
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WAEC Prep: The three unknowns a rigid body problem usually carries
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WAEC Prep: A knot held in equilibrium by three strings
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Learn: Finding two unknown forces by Lami's theorem
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WAEC Prep: The expected number of successes in a practical problem
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WAEC Prep: Comparing two values from different normal distributions by z-score
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: Multiplying a complex number by a real number
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through multiplying a comp