Find the center of mass of the particles with the given masses located at the given points.55 at (-6.7, 0), 63 at (-3.2, 0), 74 at (1.4, 0)
A. 
= 0.96, 
= 0
B. 
= 55, 
= 0
C. 
= -2.4, 
= 0
D. 
= -23, 
= 0
Answer: C
Mathematics
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Solve the equation.(5y + 16)(4y + 17) = 0
A. 
B. 
C. {11, 13}
D. 
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A. (3, 7) B. [3, 7] C. (3, 7] D. [3, 7)
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