Avery bought a flute that cost $430. She paid a 6 1/2% sales tax rate. What was the total cost of the flute?
1 answer:
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Answer:
3.6
Step-by-step explanation:
sorry for the weird looking numbers, I used my mouse to write this
The factors of this polynomial would be (x + 4)(x + 2)(x - 1).
To find these, you first have to start with long division to find the first factor. If you use x + 4 it would look like this.
=
Now we are left with only . We can factor this by looking for numbers that multiply to the last number and add to the middle number. 2 and -2 multiply to -2 and add to 1. Therefore, we'll use those in parenthesis in their place.
(x + 4)(x + 2)(x - 1)