In the United States,the Average Length of Expansions from 1950

question 183

True/False

In the United States,the average length of expansions from 1950 to 2009 was more than twice as long than they were from 1900 to 1950.

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Definitions:

\(k ^ { 3 }\)

Represents the cube of a variable \(k\), equivalent to multiplying \(k\) by itself twice (\(k*k*k\)).

\(k + 8\)

An algebraic expression representing the sum of a variable, \(k\), and the number 8.

\(d = \frac { 3 } { 7 }\)

Represents a specific value of the variable d, which is equal to the fraction three-sevenths.