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Rufina [12.5K]
4 years ago
11

Use the quadratic formula to solve the equation​.

Mathematics
1 answer:
bixtya [17]4 years ago
6 0
X= (5+√5)/4
x= (5-√5)/4
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On a standardized exam, the scores are normally distributed with a mean of 145 and a standard deviation of 25. Find the z-score
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z = 2.6

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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2 years ago
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