Evaluate the following improper integral whenever it is convergent.
?
?
A. 
B. 
C. 1
D. 0
E. the integral is divergent
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (7t - 2t3)i + 3 tan (2t)j + e5tk
A. a
= - 
?i - 48j + 25e(5/8)?k
B. a
= - 
?i - 48j + 25k
C. a
= - 
?i + 48j + 25e(5/8)?k
D. a
= 
?i + 48j + 25e(5/8)?k
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Find the indicated angle?.
 figure 1.png)
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Answer the question.The following statement would be considered a step in solving an applied problem. True or false?Skip checking your answer if you are certain it is correct. This wastes time.
A. True B. False
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Find the volume of the circular cone. Use 3.14 for ? and round as indicated. Round to the nearest whole number.
A. 424 in.3 B. 94 in.3 C. 848 in.3 D. 636 in.3
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