Solve the problem.A car is traveling at 30 miles per hour. If its tires have a diameter of 24 inches, how fast are the car's tires turning? Express the answer in revolutions per minute. Round to two decimal places if needed.
A. 414.17 revolutions per minute
B. 420.17 revolutions per minute
C. 840.34 revolutions per minute
D. 2640 revolutions per minute
Answer: B
Mathematics
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Find the fluid force exerted against the vertically submerged flat surface depicted in the diagram. Assume arbitrary units, and call the weight-density of the fluid w.
A. 
w
B. 512w
C. 
w
D. 
w
Mathematics
Multiply and simplify. Assume that all variables represent positive real numbers.(x - 
)(3x + 
)
A. 3x2 + 2x
- y
B. 3x2 - 2x
- y
C. 3x2 - 2x
- y3
D. 3x2 - 4x
Mathematics
Find the range of the quadratic function in interval notation.f(x) = 11(x - 5)2 + 6
A. [5, ?) B. [-6, ?) C. [6, ?) D. (-?, 6]
Mathematics
Graph.x2 - y2 = 18
A. 
B. 
C. 
D. 
Mathematics