Multiply. 

A. 121x2 - x - 
B. 121x2 + x - 
C. 121x2 - 
D. 121x2 - 


Answer: D

Mathematics

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Rewrite the expression in terms of exponentials and simplify the results.4 cosh (ln x) + 14 sinh (ln x)

A. 9x
B. 9
C. 9x - 
D. 0

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Find the moment of inertia (in g?cm2) and the radius of gyration (in cm) with respect to the origin of the given array of masses located at the given points on the x-axis.5.2 g at (3.0, 0), 3.2 g at (-2.2, 0)

A. I = 62 g? cm2; R = 2.7 cm B. I = 59 g? cm2; R = 2.6 cm C. I = 8.6 g? cm2; R = 3.3 cm D. I = 8.6 g? cm2; R = 1.0 cm

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Provide an appropriate response.(3t - 4)(4t - 5) =

A. 12t2 + t + 20 B. 12t2 - 31t + 20 C. 12t2 - t + 20 D. 12t2 + 20 E. 7t2 - 20

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Complete the table of values and use it to solve the equation numerically.-4(x + 6) = -32 

A. 0 B. 1 C. 2 D. -2

Mathematics