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the name given to the variable (Tn) that represents any term in a given arithmetic sequence.
a graph or picture that looks identical on either side of a line, in particular, the y...
a statistical average; the sum of all the values divided by the number of values.
is a set that describes the union of two or more subsets, all the overlapping numbers are listed...
the axis of symmetry in a hyperbola that joins the vertices of the two branches.
(also called classical probability) the calculated probability of an event occurring; or the...