Solve the problem.A circular sector has an area of 18 in2 and an arc length of 3 inches. What is the measure of the central angle in degrees? Round to the nearest degree.
A. 29°
B. 7°
C. 5°
D. 14°
Answer: D
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. 6x + 7y - z = 76 x + 7y - 3z = 19-7x + y + z = -53
A. (-9, 6, 4) B. (9, 4, 6) C. (9, 6, 4) D. (-9, 4, 18)
Mathematics
The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find sin ?.
A. - 
B. 
C. - 
D. 
Mathematics
Solve the problem.Find the maximum possible value of f = 6x + 7y subject to the following constraints: 
A. 24 B. 32 C. 13 D. 52
Mathematics