Use the discriminant to determine the number of real solutions of the equation.5 + 5z2 = 3z
A. 1
B. No real solutions
C. 2
Answer: B
Mathematics
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Solve the problem.In an amplifier circuit, the current i (in A) changes with time t (in s) according to i = 0.03t
. If 0.6 C of charge has passed a point in the circuit at t = 0, find the total charge to have passed the point at t = 0.5 s.
A. 0.624 C B. 0.596 C C. 0.014 C D. 0.604 C
Mathematics
Determine the number of terms and identify the coefficient of each term of the expression.3z - 7t
A. 2; -3 and 7 B. 2; 3 and -7 C. 2; -3 and -7 D. 2; 3 and 7
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the series.
A. 128 B. 140 C. 51 D. 86
Mathematics