Evaluate the definite integral.

A.
B. - 
C.
D.


Answer: D

Mathematics

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The following system does not have a unique solution. Solve the system.

A. infinitely many solutions of the form x = 20 - z, y = 3 - z, z = z
B. infinitely many solutions of the form x = 20 + z, y = -3 - z, z = z
C. infinitely many solutions of the form x = 20 + z, y = 3 - z, z = z
D. infinitely many solutions of the form x = 20 + z, y = 3 + z, z = z

Mathematics

Provide an appropriate response.Suppose that you attempt to solve a system of equations and find that  What can you conclude about the solutions of this system?

A. The system has an infinite number of solutions. B. The system has exactly one solution. C. The system has no solution. D. The system has either no solution or an infinite number of solutions.

Mathematics

Solve the problem.How many ways can a class president, a class secretary, and a class treasurer be chosen from a group of 8 candidates?

A. 24 B. 1680 C. 336 D. 21

Mathematics

Evaluate the expression using the given values. ; x = 5, y = 9

A. 63 B. 26 C. 58 D. 29

Mathematics