Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. 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. 3 lb
B. 1 lb
C. 2 lb
D. 4 lb
Answer: B
Mathematics
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Write the complex conjugate.-15i
A. 15i B. 15 C. -15 D. -15i
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Find an equation of the line that parallel to the x-axis and 8 units below it. ?
A. 
B. 
C. ?
D. ?
E. ?
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Use the boundedness theorem to determine whether the polynomial function satisfies the given condition.The polynomial f(x) = x4 - 9x3 - 22x2 has no real zero greater than 8.
A. Yes, the boundedness theorem shows that the polynomial has no real zero greater than 8. B. No, the boundedness theorem does not show that the polynomial has no real zero greater than 8.
Mathematics
Find the LCD for the rational expression.
, 
A. (x + 5)(x - 5) B. (x + 5)2 C. (x + 5)(x - 5)2 D. (x - 5)2
Mathematics