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