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1 answer:
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Answer:
Step-by-step explanation:
we know that
The quadratic equation in standard form is equal to
we have
This is a quadratic equation in vertex form
Convert to standard form
Apply distributive property
Combine like terms
----> quadratic equation in standard form
Answer:
20% peanuts are there in the mixture of nuts.
Step-by-step explanation:
Total weight of the mixture =25 lbs(10+15)
In the 25 lbs mixture of nuts, 68 % is peanuts, therefore finding the total weight of peanuts.
68 % of 25 lbs= 17 lbs.
There is a total 17 lbs of peanuts in the mixture .
15 lbs of peanuts was exclusively added, therefore the rest 2 lbs must have come from the mixture of nuts.
Therefore, there is a total of 2 lbs of peanuts in 10 lbs of mixture of nuts.
=20 %
20% peanuts are there in the mixture of nuts.