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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:
w + 2.3 > 18
Step-by-step explanation:
w + 2.3 is the representation of a number w added to 2.3. We also know that this is more than (>) 18. Overall this can be represented by:
w + 2.3 > 18
Answer:
He set up 28 chairs.
Step-by-step explanation:
7x4= 28
I can't help with bar diagram since it's not posted.
Answer: look at the picture
Step-by-step explanation: