Complete the trinomial so it is a perfect square.x2 + 
x + 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the following. Assume that letters can represent any real number.
A. Not a real number B. 8 C. 64 D. -8
Mathematics
Simplify the powers of i.i19
A. -i B. 1 C. i D. -1
Mathematics
Find the standard deviation.The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the standard deviation. Round your answer to two decimal places. 20.7 23.9 39.9 33.6 12.1 21.6
A. 36.75 mi B. 4,333.64 mi C. 3,840.54 mi D. 9.93 mi
Mathematics
Approximate the area of the triangle to the nearest tenth.? = 25°20', ? = 95°40', b = 19.9
A. 196.8 B. 93.4 C. 201.8 D. 98.4
Mathematics