Solve the problem.To approximate the speed of a river, a circular paddle wheel with radius 0.43 feet is lowered into the water. If the current causes the wheel to rotate at a speed of 14 revolutions per minute, what is the speed of the current? If necessary, round to two decimal places.
A. 0.07 mph
B. 0.21 mph
C. 37.82 mph
D. 0.43 mph
Answer: D
Mathematics
You might also like to view...
Use words such as linear, quadratic, cubic, polynomial, degree, one variable, and two variables to describe the expression.8x4 - 8x4y - 9
A. not a polynomial B. 5th - degree polynomial in two variables C. 4th - degree polynomial in two variables D. 5th - degree polynomial in one variable
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 3% per 100 years. If t represents time in years and y represents the amount of the isotope left, use the condition that 
to find the value of k in the equation 
A. 0.00030 B. 0.02638 C. -0.00030 D. -0.03046
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 
Mathematics
Divide. 
A. 1,304 B. 1,306 C. 1,306 R 3 D. 1,304 R 1
Mathematics