Solve by completing the square.3x2 - 2x - 3 = 0
A. -3, 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation.74.03 + 92.19 + 29.636
A. 196.856 B. 195.956 C. 195.866 D. 195.856
Mathematics
Find the unknown length in the right triangle. Round to the nearest thousandth, if necessary.
A. 5 in. B. 52 in. C. 26 in. D. 7.211 in.
Mathematics
Solve.How many different three-number "combinations" are possible on a combination lock having 21 numbers on its dial?
A. 3990 B. 7560 C. 15,120 D. 7980
Mathematics
Work of electric current. A work of the electric current varies directly as a passed time and a current. Suppose that the work of the electric current through some conductor is 234 J with passed time 3 s and current 13 A. Find the work of the same electric current if the current is 23 A and the passed time is 12 s.
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Mathematics