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How do you find the determinant of a matrix?

Finding the matrix of a matrix can be done in 5 steps. Step 1 involves finding the determinant of the matrix, and putting this value aside for later. Step 2 finds the cofactors of each element. The cofactor ...
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Explain the general formula for a sraight line?

y=mx+c m = gradient of the line c = the y intercept x and y are variables
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Answered by Ndaba M. Maths tutor
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Describe what you would see when a piece of potassium is placed on water. Why does this happen?

THe potassium would move around on the water and fizz. This is because it is an alkali metal that reacts with the water. 2K + 2H2O --> 2KOH + H2. The fizzing is the result of this reaction. Discussion reg...
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Answered by Ndaba M. Chemistry tutor
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How does the sliding filament theory work?

A nerve impulse in the sarcoplasmic reticulum causes calcium ions to move out of it into the muscle cells where it binds to tropmyosin/troponin causing it to move and reveal the actin filament. The myosin ca...
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Answered by Charlotte K. Biology tutor
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What do I include in my essay?

Research an artist for a certain characteristic about them that inspires your work, such as a theme or technique. Explain how this links to your own work and how this artist will help you develop your own id...
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Answered by Charlotte K. Art tutor
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