Identify the indicated entry in matrix A.A = ; identify a23.

A. 5
B. 4
C. 3
D. 6


Answer: D

Mathematics

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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v =  sin , s(?2) = 2

A. s = -2 cos  + 8.2134
B. s = 2 cos  + 4
C. s = -2 cos  + 4
D. s = -2 cos  + 3.3073

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Determine the power of 10 needed to write the decimal in scientific notation.0.04717 = 4.717 × 10n

A. -1 B. -3 C. -2 D. -4

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Find the present value. Round to the nearest cent.To get $2000 after 12 years at 8% compounded semiannually

A. $811.45 B. $780.24 C. $1219.76 D. $794.23

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Factor out the greatest common factor.18m9 - 54m4 - 12m2

A. m2(18m7 - 54m2 - 12) B. 6m2(3m7 - 9m2 - 2) C. no common factor D. 6(3m9 - 9m4 - 2m2)

Mathematics