During testing of a certain brand of air purifier, the amount of smoke remaining t min after the start of the test was 
percent of the original amount. Compute 
. Round your answer to five
decimal places.
?
A. ?
per minute
per minute in the second power
B.
per minute
per minute in the second power
C.
per minute
per minute in the second power
D.
per minute
per minute in the second power
E.
per minute
per minute in the second power
Answer: B
You might also like to view...
Use the fundamental identities to find the value of the trigonometric function.Find cos ?, given that sin ? = - 
and ? is in quadrant III.
A. - 
B. 
C. - 
D. - 
Solve the problem.A painting in a museum is 30 centimeters wide. Convert this width to inches. Round answer to the nearest hundredth, if necessary.
A. 9.15 in. B. 11.81 in. C. 98.4 in. D. 76.2 in.
Use the power rule and the power of a product or quotient rule to simplify the expression.(3a)3
A. 27a3 B. 9a3 C. 27a D. 9a
The quadratic function, y = 
, has the form y = ax2 + bx + c. Identify a, b, and c.
A. -2, - 
, 
B. 8, 7, 2
C. 2, 
, - 
D. 8, 7, -2
E. none of these