Determine whether the statement is true or false.

A system composed of two linear equations must have at least one solution if the straight lines represented by these
equations are nonparallel.


True

Mathematics

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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - i + j; C is the region defined by the polar coordinate inequalities 6 ? r ? 9 and 

A. 117 B. 90 C. 0 D. 27

Mathematics

Find the magnitude of the vector.u = 

A.
B. 5
C.
D.

Mathematics

Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?

A. 9 B. 18 C. 12 D. 8

Mathematics

Graph the linear inequality.x ? 1

A.

B.

C.

D.

Mathematics