Answer:
Step-by-step explanation:
<6= 125 degrees
<3 = 125 degrees
x = 55 degrees
The correct answer from the choices given will be -13 - 4i. The numerical part is the real number while the term containing i is the imaginary part.
<h3>What is the complex number?</h3>
A complex number is one that both a real and an imaginary component, both of which are preceded by the letter I which stands for the square root of -1.
The given complex number as;

By transfeering the left-hand side term to the right-hand side the sign will change. We will get the value of n as;

Hence the correct answer from the choices given will be -13 - 4i.
To learn more about the complex number refer to the link;
brainly.com/question/10251853
Answer:
CBenson1031
Step-by-step explanation:
p = 5 ÷ (12.37 - 1.12)
p = 5 ÷ 11.25
p = 2.25
Step-by-step explanation:
Answer:
7r³ - 3r² + 20r
Step-by-step explanation:
(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²)
You can get rid of the parentheses since there is nothing to distribute.
9r³ + 5r² + 11r - 2r³ + 9r - 8r²
Combine like factors.
7r³ - 3r² + 20r
Answer:
Angle 1 = 38 and angle 4 = 142 degrees.