Find the length of the arc on the circle of radius r meters intercepted by a central angle ?. Round your answer to three decimal places.r = 12, ? = 50°
A. 9.425 m
B. 8.378 m
C. 10.472 m
D. 11.519 m
Answer: C
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 
, y = 0, x = 1, x = 9
A. 112? B. 108? C. 52? D. 104?
Mathematics
Rewrite the series using the new index j as indicated.
= 
A. 
B. 
C. 
D. 
Mathematics
Tell whether the statement is true or false.5 ? {-1, 6, 7, 10}
A. True B. False
Mathematics
Solve the equation log 10x + log 10 (x - 21) = 2.
A. x = 27 B. x = -4 C. x = 25 D. x = 4 E. x = 625
Mathematics