Solve the problem.At the beginning of an advertising campaign for a new product in a city of 500,000 people, no one is aware of the product. After 10 days, 100,000 people are aware of the product. If N = N(t) is the number of people (in thousands) who are aware of the product t days after the beginning of the advertising campaign, solve the following differential equation for N(t): 
A.
B.
C.
D.
Answer: D
Mathematics
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A. 0.09595 B. 9.595 C. 0.9595 D. 959.5
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Classify the angle as acute, right, obtuse, or straight.14.16°
A. right B. straight C. acute D. obtuse
Mathematics
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. Not enough data B. 1034.1 ft2 C. 1207.2 ft2 D. 687.9 ft2
Mathematics
Find the second-order partial derivative.Find fxy when f(x, y) = x4y5 - x7y8 + 17x - y.
A. 12x2y5 - 42x5y8
B. 20x3y3 - 56x6y6
C. 20x3y4 - 56x6y7
D. 20x2y3 - 56x6y6
Mathematics