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zavuch27 [327]
3 years ago
11

Dora bought a bottle of nail polish that was marked down by 20 percent from its original price of $4.50. Including a 9 percent s

ales tax, what is the final cost of the bottle of nail polish?
$0.90
$0.98
$3.60
$3.92
Mathematics
2 answers:
o-na [289]3 years ago
7 0

Answer:

3.92

Step-by-step explanation:

Aleksandr-060686 [28]3 years ago
5 0

Answer:

3.92

Step-by-step explanation:

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Hi, the answer to this would be x6/9. I'm assuming the x4/3 and x2/3 are fractions and the x's aren't exponents. Now how I got x6/9 is shown here.

1st Step: Started off by regrouping the terms
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2nd Step: we can easily simplify 3x3 to just 9. And now we're left with 1/9x^4x^2

3rd Step: Now we can simplify the 1/9 to just x^4x^2/9

4th Step: Now we can use the product rule which is simple. So We add the exponents and simplify it to just one exponent. So x4+2=6 that simplifies to just x^6.

Final Answer: x^6/9.
Hope this helped you :)
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