Solve the problem.Use the Maclaurin expansion of cos x to find 
.
A. 0
B. 
C. 1
D. ?
Answer: B
Mathematics
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Find the center and radius of the circle.x2 + 18x + 81 + y2 + 6y + 9 = 64
A. (3, 9), r = 64 B. (-3, -9), r = 8 C. (-9, -3), r = 8 D. (9, 3), r = 64
Mathematics
Round the number as indicated.25,049 to the nearest ten
A. 25,040 B. 25,050 C. 25,150 D. 25,060
Mathematics
Find IT in the circuit below if IL = 9 mA, and IR = 12 mA.
a. 21 /-53.3è mA
b. 15 /-53.2è mA
c. 21 /-36.7è mA
d. 21 /57.3è mA
e. 15 /-36.9è mA
Mathematics
Use the Gauss-Jordan method to solve the system of equations.4w + 4x - 4y - 4z = -4-w - 5x - 5y - z = -22w + 3x + 3y + 2z = -52w + 4x + 4y + 2z = 6
A. (-z, z, -z, z)
B. 
C. 
D. No solution
Mathematics