Fill in the blank with one of the words or phrases listed below. Not all choices will be used. =  is an example of a(n) .

A. proportion
B. complex fraction
C. reciprocals
D. least common denominator


Answer: A

Mathematics

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Provide an appropriate response.True or False? Exponential growth leads to repeated doublings. With each doubling, the amount of increase is approximately equal to the sum of all preceding doublings.

A. True B. False

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Solve the problem.The magnitude of the impedance Z of an RCL series circuit is given by Z = . Solve the equation for XL.

A. XL = 
B. XL =  + XC
C. XL =  + XC
D. XL = - - XC

Mathematics

Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 2 × 1; B is 1 × 1.

A. AB is not defined; BA is 1 × 2. B. AB is 2 × 1; BA is not defined. C. AB is 2 × 2; BA is 1 × 1. D. AB is 1 × 2; BA is 1 × 1.

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Approximate the square root. Round to the nearest tenth, if needed.

A. 26.3 B. 26.5 C. 26.6 D. 26.4

Mathematics