Solve the problem.The lower edge of a dam is defined by the parabola (see figure). Use a coordinate system with y = 0 at the bottom of the dam to determine the total force on the dam. Lengths are measured in meters. 
A. 60,963,840 N
B. 13,547,520 N
C. 243,855,360 N
D. 121,927,680 N
Answer: D
Mathematics
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A. 10 years B. 6 years C. 8 years D. 14 years
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.4x2 + 5x - 21
A. (4x + 3)(x - 7) B. (4x - 7)(x + 3) C. (4x + 7)(x - 3) D. prime
Mathematics
Solve.log5x = 3
A. {243} B. {15} C. {125} D. {8}
Mathematics
Graph the sinusoidal function using key points.y = sin x - 2 
A. 
B. 
C. 
D. 
Mathematics