Solve the problem.The distance that a spring is stretched by a hanging object varies directly as the mass of the object. If an object with a mass of 25 kg stretches a spring 44 cm, find the stretch when the object has a mass of 25 kg.
A. 94 cm
B. 1.8 cm
C. 14.2 cm
D. 44 cm
Answer: D
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 5y - y2 and the y-axis about the y-axis
A. 
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B. 
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C. 
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D. 
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Which of the following figures is mapped onto itself by a 90 deg rotation around the point of intersection of its diagonals?
(a) a rhombus. (b) a rectangle. (c) A parallelogram. (d) A pentagon. (e) None of these is correct.
A turkey is removed from the oven when its temperature reaches 175°F and is placed on a table in a room where the temperature is 70°F. After 10 minutes the temperature of the turkey is 161°F and after 20 minutes it is 149°F. Use a linear approximation to predict the temperature of the turkey after 30 minutes.
What will be an ideal response?
Perform the indicated operations. Be sure to simplify your answer.
+ 
+ 
A. 
B. 4
C. 
D. 3