Rewrite the subtraction problem as an addition problem.(-14) - (-24)

A. (-14) + (-24)
B. (-14) - (+24)
C. (-14) + (+24)
D. None of the above


Answer: C

Mathematics

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Use a truth table to determine whether the symbolic form of the argument is valid or invalid.~ p ? qq ? r----? p ? r

A.

Symbolic argument is invalid.

B.

Symbolic argument is valid.

C.

Symbolic argument is invalid.

D.

Symbolic argument is valid.

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Find an equivalent algebraic expression for the composition.cot (arctan (x))

A.
B.
C.
D. x

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Solve the problem.Let A =  and B = . Find A + B.

A.

B.

C.

D.

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Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 4, c = 8

A. = ; a ? 3.464
B. = 4
C. = ; a ? 5.657
D. = ; a ? 6.928

Mathematics