Combine the complex numbers.(4 - 7i) + (2 + 3i)
A. 2 + 10i
B. -6 + 4i
C. 6 - 4i
D. 6 + 4i
Answer: C
Mathematics
You might also like to view...
Simplify the rate to a unit rate and write the unit rate in words.
A. 
; $15.50 per yard
B. 
; $35.75 per yard
C. 
; $7.50 per yard
D. 
; $46.75 per yard
Mathematics
Give an appropriate answer to the question.A connected graph has 27 vertices and 38 edges. How many edges must be removed to form a spanning tree for the graph?
A. 37 B. 10 C. 11 D. 12
Mathematics
Solve.The equation of a line is y = - 9x. What is the slope of a line parallel to it?
A. 0
B. 
C. - 
D. - 9
Mathematics
Without using a calculator, give the exact trigonometric function value with rational denominator.cos 60°
A. 
B. 
C. 
D. 
Mathematics