Suppose an eight-pound object is dropped from a height of 5,000 feet, where the air resistance is proportional to the velocity. Write the velocity as a function of time if its velocity after 5 seconds is approximately -55 feet per second. Use a graphing utility or a computer algebra system. Round your calculations to four decimal places.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Solve the equation.11 = b + 10
A. b = 21 B. b = -21 C. b = -1 D. b = 1
Mathematics
Provide an appropriate response.Solve by the method of reduction: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the improper fraction as a whole or mixed number.
A. 213
B. 213
C. 30
D. 
Mathematics
Add.- 
+ 
A. 
B. - 
C. - 
D. - 
Mathematics