If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 11 feet, A = 46 square feet, ? = ?
A. 2783 radians
B. 5566 radians
C. 0.76 radians
D. 0.38 radians
Answer: C
Mathematics
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Solve the problem.A can has a surface area of 790 square inches. Its height is 6.91 inches. What is the radius of the circular top? Round to the nearest hundredth.
A. 3.99 in. B. 10.39 in. C. 8.28 in. D. 18.2 in.
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Factor.r2 - 6r + 9
A. (r - 3)2 B. (r + 3)2 C. (r - 6)(r + 6) D. (r - 3)(r + 3)
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Find the integral using an appropriate trigonometric substitution.
Select the correct answer.
Mathematics