Alice had pounds of flour at the beginning of the week. at the end of the week, she had pounds. how much has she used?
1 answer:
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Answer:
Step-by-step explanation:
A quadratic equation in one variable given by the general expression:
Where:
The roots of this equation can be found using the quadratic formula, which is given by:
So:
As you can see, in this case:
Using the quadratic formula:
Therefore, the answer is: