Find the real or imaginary solutions by using the quadratic formula.x2 - 8x + 20 = 0
A. {-4 ± 2i}
B. {4 ± 2i}
C. {6, 2}
D. {8 ± 4i}
Answer: B
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Solve the problem.A diving pool that is 8 m deep and full of water has a viewing window on one of its vertical walls. Find the force on a square window, 1 m on a side, with the lower edge of the window on the bottom of the pool.
A. 73,500 N B. 4,900 N C. 12,000 N D. 235,200 N
Solve the problem.The average of a data set consisting of 11 numbers is 12. The largest of the numbers is Max = 13. If Min is the smallest of the numbers in the data set, which of the following could be a possible value of Min?
A. 1 B. 0 C. 11 D. 12 E. none of these
Determine the most appropriate "Interval" for a set of data with a range of 49.
a. 5 b. 7 c. 9 d. 10
Solve the inequality symbolically. Express the solution set in interval notation.10a - 1 > 9a - 3
A. (-2, ?) B. (-4, ?) C. (-?, -4) D. (-?, -2)