Divide and write the result in standard form.
A. 
- 
i
B. 
- 
i
C. - 
- 
i
D. - 
- 
i
Answer: B
You might also like to view...
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 7; 233.1° B. 5; 53.1° C. 5; 233.1° D. 5; 216.9°
Perform the indicated operation and simplify.
- 
A. 11
B. 
C. 
D. 
Write fraction in lowest terms.A marketing firm develops two different television commercials for a product. To determine which is more effective, the firm conducts an experiment. They randomly select 400 people using the phone directory and pay 200 to watch one of the commercials and the other 200 to watch the other. They then ask the viewers whether they would buy the product. 42 said yes in the first group, while 80 said yes in the second group. Write the lowest-terms fraction for each group.
A. 
, 
B. 
, 
C. 
, 
D. 
, 