Provide an appropriate response.Find the area of the indicated sector.

A. 70.18 cm2
B. 7.11 cm2
C. 22.34 cm2
D. 11.17 cm


Answer: C

Mathematics

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Find the value of the logarithm without using a calculator.ln e9

A. e ln 9
B. 9
C. 1
D.

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Write the inequalities that describe the constraints on production.The Pen-Ink Company manufactures two ballpoint pens: silver and gold. The silver requires 7 minutes in a grinder and 12 minutes in a bonder. The gold requires 7 minutes in a grinder and 9 minutes in a bonder. The grinder can be run no more than 610 minutes per day and the bonder no more than 230 minutes per day. Let x represent the silver pens and let y represent the gold pens.

A. 7x + 7y ? 610, 12x + 9y ? 230, 
B. 7x + 12y ? 610, 7x + 9y ? 230, 
C. 0 ? 19x + 16y ? 840, 
D. x + y ? 610, x + y ? 230, x + y ? 840, 

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Match the correct function to the graph.

A. y = |1 - x| B. y = x - 2 C. y = |2 - x| D. y = |x + 2|

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Find a polar equation of the conic with its focus at the pole. ?  ConicsEccentricity  Directrix Ellipse   ? ? ?

A.
B.
C.
D.
E.

Mathematics