Find the angle.cos-1 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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For the circuit equations below find I1 and I2.
40I1 + 10I2 = 9 10I1 + 40I2 = 6 a. Ý2A, .1A b. 2 mA, 10 mA c. 20 mA, 10 mA
Mathematics
Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (0, 1) B. (1, 0) C. (0, 0) D. (1, 1)
Mathematics
Solve the system by the method of substitution.
?
?
A. (-3, 3) B. (3, 3) C. (-3, -3) D. (-5, -5) E. (5, 5)
Mathematics
Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(2) = 6 m/sec2, a(4) = -6 m/sec2 B. a(2) = 0 m/sec2, a(4) = 0 m/sec2 C. a(2) = -6 m/sec2, a(4) = 6 m/sec2 D. a(4) = 24 m/sec2, a(8) = 4 m/sec2
Mathematics