Solve the equation.-9.9x + 1.2 = -56.9 - 1.6x

A. {6}
B. {-66}
C. {7}
D. {5.9}


Answer: C

Mathematics

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A.

B.

C.

D.

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A. 36 B. 24 C. 39 D. 26 E. none of these

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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 .

Mathematics

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).

Mathematics