Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 400 feet. After 55 minutes the bell is at a depth of 1400 feet. What is the average rate of lowering per minute? Round to the nearest tenth if necessary.
A. 18.2 ft per minute
B. 23.3 ft per minute
C. 0.04 ft per minute
D. 25.5 ft per minute
Answer: B
Mathematics
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- 1 = x
A. 3 B. 0 C. 0, 2 D. 0, 3
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Evaluate the integral by changing the order of integration in an appropriate way.
A. - 2 ln 4 ln cos 5 B. 2 ln 4 ln cos 5 C. 2 ln 2 ln cos 5 D. - 2 ln 2 ln cos 5
Mathematics
Use the substitution formula to evaluate the integral.
A. - 
B. 
C. - 
D. - 
Mathematics
Construct a frequency polygon.
A. Frequency
| Weight in pounds |
B. Frequency
| Weight in pounds |
Mathematics