Multiply and simplify the following complex numbers: (−3−i)⋅(3+i)
2 answers:
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<u>ANSWER: </u>
The equation is y = 1.06x, so option D is correct.
<u>EXPLANATION:</u>
Given:
Amount Catherine is paid for an MP3 player=$159.00
The price paid includes a sales tax= 6%
To find:
Equations that can be used to determine the price of the MP3 player before tax?
Solution:
Now, we know that, total cost = selling price of item + sales tax on item
y = x + 6% of x
y = x +
y = x + 0.06x
y = 1.06x
Hence, the equation is y = 1.06x, so option D is correct.