Find the exact value of the expression.csc-1

A.
B. - 
C.
D.

Answer: C

Mathematics

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Express as a single logarithm and, if possible, simplify.logax + loga y

A. loga (xy2/21)
B. loga (x2/3 + y1/7)
C. loga (x2/3 y1/7)
D.  loga xy

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Mathematics

Find the derivative of the function f  by using the rules of differentiation. ? ?

A.
B.
C.
D.
E.

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Mathematics

Solve the system by the substitution method.xy = 56x + y = -15

A. {(7, -8), (8, -7)} B. {(-7, 8), (-8, 7)} C. {(7, 8), (8, 7)} D. {(-7, -8), (-8, -7)}

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Mathematics

Solve the system using Cramer's Rule. If D = 0, use another method to complete the solution.8x + 9y = 86x + 5y = 6

A. ? B. {(1, 0)} C. {(0, 1)} D. {(1, 1)}

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Mathematics