Find the real or imaginary solutions by completing the square.7m2 + 4m = 0
A. 
B. 
C. {0}
D. 
Answer: D
Mathematics
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Find the exact value by using a half-angle identity.cos - 
A. 
B. 
C. 
D. 
Mathematics
Find the indicated derivative.Find fx f(x,y,z) = 3x5e(2y3 + 7z4)
A. 15x4 B. 3x5 C. 15x4e(2y3 + 7z4) D. 15x4e(6y2 + 28z3)
Mathematics
Solve the equation.
4(x+6)+7 = -6(x+11)+67
Mathematics
How long will it take the drop to reach halfway? How long will it take the drop to reach the bottom? Please round answers to the nearest tenth.
Assume that the formula 
holds true. Let g = 32.2 feet per second squared. Suppose a drop of water starts at the top of the falls and descends 130 feet.
A) 2.4 sec; 3.2 sec
B) 2.2 sec; 3.0 sec
C) 2.0 sec; 3.0 sec
D) 2.2 sec; 2.8 sec
E) 2.0 sec; 2.8 sec
Mathematics