Solve the variation problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 1 pound
B. 3 pounds
C. 4 pounds
D. 2 pounds
Answer: A
Mathematics
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- x = 0
A. x = ±5 B. x = 8 C. x = ±4 D. x = 4
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A. 
B. 
C. 
D. 
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Find the following. Assume that letters can represent any real number.
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Mathematics