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IgorLugansk [536]
3 years ago
5

Which equation shows the quadratic formula used correctly to solve 5x^2+3-4=0 for x

Mathematics
1 answer:
Neko [114]3 years ago
3 0

Answer:

the first one is correct

Step-by-step explanation:

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Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours. How long will it tak
aleksley [76]

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Rates:
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Let x = time if working together
then
x(1/5 + 1/6) = 1
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3 years ago
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Please someone can help me with question #9. Thanks
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Given:
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probability of an event happening = number of ways it can happen / total number of outcomes

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