Solve the equation.-9.9x + 1.2 = -56.9 - 1.6x
A. {6}
B. {-66}
C. {7}
D. {5.9}
Answer: C
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Sketch the curve.x = 3.6y2
A. 
B. 
C. 
D. 
Solve the problem.Find the value of x so that the shaded figure is a gnomon to the white triangle.
A. 36 B. 24 C. 39 D. 26 E. none of these
x? = x(0.1? 0.07x ? 0.005y) , y? = y (0.05 ? 0.002x ? 0.0017y) , x (0) = 1, y (0) = 2
For the systems of differential equations, use Euler’s method with ?x = 2 to plot the trajectory of x and y to plot the trajectory for 0 ? t ? 500 .
Solve the problem.Two surveyors 180 meters apart on the same side of a river measure their respective angles to a point between them on the other side of the river and obtain 54° and 68°. How far from the point (line-of-sight distance) is each surveyor? Round your answer to the nearest 0.1 meter.
Fill in the blank(s) with the appropriate word(s).