Factor by grouping.5x3 - 15x2 - 4x + 12
A. (5x2 - 4)(x - 3)
B. (5x2 - 4)(x + 3)
C. (5x2 + 4)(x + 3)
D. (5x2 + 4)(x - 3)
Answer: A
Mathematics
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Answer the following statement true (T) or false (F)
Mathematics
Factor when possible. If the polynomial is prime, so state.25x2 - 64
A. (5x + 8)2 B. (5x + 8)(5x - 8) C. (5x - 8)2 D. prime
Mathematics
Solve the problem by integration.Find the moment of inertia with respect to the y-axis of the first-quadrant area bounded by 
and the axes, where k is the mass per unit area.
A. 
B. 
C. k
D. 
Mathematics
Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = (1 + 3t)i + j + 5tk, 0 ? t ? 1; ?(x, y, z) = x + z2
A. 
B. 
C. 
D. 
Mathematics