Express the integrand as a sum of partial fractions and evaluate the integral.

A. - 
B. - 
C.
D. - 


Answer: A

Mathematics

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Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4? 

A.

B.

C.

D.

Mathematics

Solve the equation.3x2 - 5x - 8 = 0

A. x =, -1
B. x = , -1
C. x = , 0
D. x = , 1

Mathematics

R1 = 2.2 Kê, R2 = 3.3 Kê, RL = 1.2 Kê, and E = 20 V. Find the value of VL.


a. 1.20 V
b. 3.29 V
c. 7.06 V
d. 12.39 V
e. 16.67 V

Mathematics

Write the ratio as a percent.

A. 52% B. 26% C. 260% D. 2.6%

Mathematics