Solve the system of linear equations and check any solution algebraically.



a.

b.

c.

d.


c.

The solution to the system of equations is (8, 3, 5).

Mathematics

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Write the improper fraction as a mixed number.

A. 8
B. 2
C. 8
D. 2

Mathematics

Complete the identity. = ?

A. cot 6x B. 0 C. tan 2x tan 6x D. -tan 6x

Mathematics

Solve and graph. Write the solution in interval notation.3 -  ? -10

A. [-15, 11]

B. (-?, -15] ? [11, ?)

C. (-?, 11)

D. [-13, 13] 

Mathematics

List the quadrants in which the function has the given sign.cosine is negative

A. II, IV B. I, III C. II, III D. III, IV

Mathematics