Perform the addition or subtraction and give your answer in Hindu-Arabic form.

A. 3391
B. 4291
C. 4201
D. 4301


Answer: D

Mathematics

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Evaluate or simplify the given expression.cos (cot-1 x)

A.
B.
C.  
D.

Mathematics

Solve the equation by completing the square.x2 - 4x + 1 = 0

A. {2 + , 2 - }
B. {-2 + }
C. {-2 + , -2 - }
D. {2 + }

Mathematics

Find an equation for the line with the given properties.Perpendicular to the line y = x + 3; containing the point (2, -5)

A. y = - 3x - 1
B. y = 3x - 1
C. y = - x - 
D. y = - 3x + 1

Mathematics

Solve the problem. Round to two decimal places if needed.An irrigation sprinkler in a field of lettuce sprays water over a distance of 20 feet as it rotates through an angle of 160°. What area of the field receives water?

A. 1117.01 square feet B. 558.51 square feet C. 177.78 square feet D. 27.93 square feet

Mathematics