Solve the problem.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is divided by 4.
B. The weight is multiplied by 4.
C. The weight is multiplied by 2.
D. The weight is divided by 2.
Answer: A
Mathematics
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Evaluate the integral.
A. 
ln 
+ C
B. 
tan-1 
+ C
C. 
ln 
+ C
D. 2
+ 2
tan-1 
+ C
Mathematics
Solve the problem.A cylindrical tin can (closed at both ends) has a volume of 19 in3. Sketch the surface area of the can as a function of its radius.
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.In a certain city, the bus system carried a total of 11,800,000,000 passengers.
A. 11.8 × 1010 B. 1.18 × 1011 C. 1.18 × 109 D. 1.18 × 1010
Mathematics
Write an equation so y depends on x. Find the self-employed Social Security payment, y, at 12.4% of net income, x.
A) x = 0.124y B) x = 12.4y C) y = 0.124x D) y = 12.4x E) y = 0.0124x
Mathematics