Write the augmented matrix associated with the system.

A.

B.

C.

D.


Answer: D

Mathematics

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Prove the identity.cos = -sin x. 

What will be an ideal response?

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Find the potential function f for the field F.F = -i - j - k

A. f(x, y, z) =  + C
B. f(x, y, z) =  + C
C. f(x, y, z) =  + C
D. f(x, y, z) = -  + C

Mathematics

Simplify.5 - 4 ? 4

A. 21 B. -11 C. 11 D. 4

Mathematics

Solve the problem. Write your answer as a mixed number when possible.Following the manufacturer's instructions, Kay emptied her car's radiator, poured in  liter of cleaning agent, waited an hour, drained  liter of the cleaning agent, and finally added  liter of plain water. How many liters of fluid (water and cleaning agent) were in the radiator at the end of the procedure?

A. 3 liter(s)
B.  liter(s)
C.  liter(s)
D.  liter(s)

Mathematics