Check the addition. If the answer is incorrect, find the correct answer.
15,289
A. Incorrect; should be 14,289
B. Incorrect; should be 15,189
C. Correct
D. Incorrect; should be 15,399
Answer: C
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Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = cot x + C cos x
B. y = sin x ln 
+ C sin x
C. y = cos x ln 
+ C cos x
D. y = cos x ln 
+ C cos x
Solve the equation.305 + h = 756
A. h = 449 B. h = 1061 C. h = 451 D. h = 230,580
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 4x,
y = x2; revolve about the y-axis
A. 
?
B. - 
?
C. 
?
D. 
?
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 112 ft/sec, and the gorge is 192 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + ho.)
A. 3 < t < 4 B. 0 < t < 3 C. 6 < t < 7 D. 9 < t < 10