A complex number has a real and an imaginary part
is a complex number
A complex number is represented as:

Where:
<em />
<em> real</em>
<em />
<em> imaginary</em>
<em />
By comparing the options to
;
and
are not complex numbers
This is so because they do not have imaginary parts
However,
is a complex number
Because; 9i is imaginary
Read more about complex numbers at:
brainly.com/question/19007885
Answer:
52
Step-by-step explanation:
just finished taking it
Answer:
x = 1/2QN^2
Step-by-step explanation:
Answer:
$48.87
Step-by-step explanation:
Let the deposited amount between the March 15th and the March 20th be x
Balance on 15th march = $56.75
The bank returned all the cancelled checks but too. One check was for $5 and the other was for $13.25
And he also deposited x amount
After deposits and deductions
So, balance = 56.75 +x - (13.25+5)
The new balance on 20th march = $87.37
⇒
⇒
⇒
⇒
⇒
Hence Carlos deposited $48.87 in his account between the March 15th and the March 20th.
Answer:
$3.5
Step-by-step explanation:
21/6=3.5