Two indistinguishable dice are rolled. What is the probability of the event 
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Identify the equation without applying a rotation of axes.3x2 + 3xy + 2y2 + 2x + 2y - 7 = 0
A. parabola B. hyperbola C. ellipse D. circle
Solve the given applied problems involving variation.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 1.4 ohm when the diameter is 1 mm and the length is 280 cm, what is the resistance when the diameter is 4 mm and the length is 1870 cm?
A. 0.584 ohm B. 116.875 ohm C. 163.625 ohm D. 2.338 ohm
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.6x3 - 7x2 + 7x + 9 = 0
A. -1 < x < 1 B. -3 < x < 2 C. -2 < x < 2 D. -1 < x < 2
Simplify.-|12.6|
A. 12.6
B. -12.6
C. 0
D. - 