Answer:
12%
Step-by-step explanation:
Cost Price of the MP3 player =$150
Sales Tax = 8 %
Total sales tax= Tax * Cost Price
=
=12%
He payed a total of 12% sales tax
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1 answer:
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Answer:
2+i or 2-i (D)
Step-by-step explanation:
First you use the quadratic formula. X= (-b +/- )/2a
a=1
b=-4
c=5
X= (4 +/- )/2
X=(4 +/- )/2
The square root of -4 is 2i. i=√-1. Therefore 2i= 2√-1 .If you simplify that, it becomes √-4i.
X= (4+/- 2i)/2
X= 2+/-i
X= 2+i or 2-i