Provide an appropriate response.Find the magnitude and direction of the resultant of the sum of 1 + 4i and 2 + 5i which are in complex notation.
A. 9.49 with direction of 18.4°
B. 8.49 with direction of 71.6°
C. 9.49 with direction of 71.6°
D. 8.49 with direction of 18.4°
Answer: A
Mathematics
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Give a verbal description of the subset of real numbers represented by the following inequality and sketch the subset on the real number line. ? x ? 3 ?
A. x ? 3 denotes the set of all real numbers less than or equal to 3.
B. x ? 3 denotes the set of all real numbers greater than or equal to 3.
C. x ? 3 denotes the set of all real numbers less than or equal to 3.
D. x > 3 denotes the set of all real numbers greater than 3.
E. x ? 3 denotes the set of all real numbers less than or equal to 3.
Mathematics
Convert the units.87.23 m = dm
A. 0.872 dm B. 872.3 dm C. 8.723 dm D. 8723 dm
Mathematics
Solve the inequality. Express your answer using interval notation.
+ 6 > 10
A. 
? 
B. 
C. 
D. 
? 
Mathematics
Solve and graph the solution set on a number line. Express the solution set in both set-builder and interval notations.|x - 6| < 0
A. ?
B. (-6, 6)
C. (-?, 6)
D. (-6, ?)
Mathematics