Solve the given differential equation.
2 dy + 3x2 dx + 4y3 dy = 0
A. y = 
B. y = 
+ c
C. y = 
+ c
D. y + 
= c
Answer: C
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Provide the requested approximation and answer with a complete sentence.In 2005, a company spent $693,749,412 on advertising. Round the advertising figure to the nearest hundred thousand.
A. The company spent approximately $693,700,000 on advertising. B. The company spent approximately $600,000,000 on advertising. C. The company spent approximately $700,000,000 on advertising. D. The company spent approximately $693,800,000 on advertising.
Solve the problem.After a person stops pedaling a bicycle, the wheel rotates 470 times the first minute. Each subsequent minute, it rotates 3/4 as many times as in the previous minute. How many times will the wheel rotate before coming to a complete stop?
A. 1880 rotations B. 3760 rotations C. 626.7 rotations D. 3290 rotations
Solve the initial value problem.
= -9sin 
, s '(0) = 10, s(0) = -2
A. s = sin 
+ 9t - 2
B. s = sin 
- 3
C. s = 3cos 
+ 10
D. s = sin 
+ 10t - 3
Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.16x2 = 400 + 16y2
A. parabola B. hyperbola C. ellipse D. circle