<em>Answer:</em>
<em>7/78 - 35/78i</em>
<em>Step-by-step explanation:</em>
<em>A complex number is a real number, an imaginary number or a number with both real and imaginary number. Its standard form is:
</em>
<em>a + bi
</em>
<em>
</em>
<em>For the expression, 7/ 3-15i
</em>
<em>
</em>
<em>(7/ 3-15i) (3+15i)
</em>
<em>21 - 105i / (234)
</em>
<em>7/78 - 35/78i
</em>
Answer:
40° D. is your answer to this question
Answer:
Yes, Sierra is correct
Step-by-step explanation:
Given
Required
Is she correct
The right parenthesis has 4 + 5.
This can be simplified as:
So, we have:
The left parenthesis has y + 7.
This cannot be simplified because y is a variable and 7 is a number.
<em>Hence, Sierra is correct.</em>
Answer:
5
Step-by-step explanation:
Divide 10 by 2, the result of which is 5, this is the y coordinate of the midpoint