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How do you find the average velocity on a graph?
The answer depends on what variables the graph shows.
Why is it necessary to keep all variables constant expect the one you are investigating?
otherwise when you change one or more of the other variables involved you will change the values of the variable you are trying to find
How do you find covariance of two variables?
The covariance between two variables is simply the average product of the values of two variables that have been expressed as deviations from their respective means. ------------------------------------------------------------------------------------------------- A worked example may be referenced at: http://math.info/Statistics/Covariance
What is the definition of solving a rational equation?
to find the unknown variables
What is the diffrance between algebra and equation?
Equations are something you do to make something equal something else to find the missing variables. Algebra is the operations that you perform to find those missing variables.
