Solve the given applied problems involving variation.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 multiplied by 2.
B. The weight is multiplied by 4.
C. The weight is divided by 4.
D. The weight is divided by 2.
Answer: C
Mathematics
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- 
+ 
- 
+ ...
A. cos 
B. sin 
C. sin 
D. ln 
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Find the indicated coordinates.Point P has coordinates (-6, -2). Find the coordinates of Q so that the y-axis is the perpendicular bisector of the line segment joining P and Q.
A. (-2, -6) B. (-6, 2) C. (6, 2) D. (6, -2)
Mathematics
Graph.x2 + y2 = 4
A. 
B. 
C. 
D. 
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Find an equation of a line satisfying the following conditions.Perpendicular to x = 2, passing through (1, 3)
A. x = 3 B. y = 1 C. x = 1 D. y = 3
Mathematics