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Kay [80]
3 years ago
8

Help asap pleaseee ?:)

Mathematics
1 answer:
igomit [66]3 years ago
4 0
2 and 3 are correct. 1 is false because the graph opens downward. If the a value, which is -1 in this case, is less than 0, the graph will open downward. -1 is less than 0 so the graph opens downward
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Scorpion4ik [409]

Answer:

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Step-by-step explanation:

Let x represent the quantity of 80% solution. Then 130-x is the amount of 55% solution. The total amount of salt in the mix is ...

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