Graph the integrand and use geometry to evaluate the integral.
A. 160
B. 80
C. 40
D. 8
Answer: B
Mathematics
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Solve the equation in the real number system.2x3 - x2 + 2x - 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify the algebraic expression.2x + (-10) + (-8x) + 4
A. 6x + 6 B. -6x + 14 C. 6x + 14 D. -6x - 6
Mathematics
Simplify the complex number and write it in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
The currents in an electrical network are given by the solutions of the system
where I1, I2, and I3 are measured in amperes. Solve the system of equations using matrices.
A. no solution B. I1 = 3, I2 = 3, I3 = 7 C. I1 = 5, I2 = 4, I3 = 9 D. I1 = 3, I2 = 3, I3 = 6 E. I1 = 5, I2 = 9, I3 = 4
Mathematics