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Fleur has helped students
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Longest streak: 19 days
15 thank you notes
@sana-t
Sana T.
Thank You So Much.... :)
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1 month ago
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Someone from Athens, United States
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4 months ago
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Fleur
18K karma · Massachusetts, USA
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Activity
209 Answers
14 Edits
17 Asked
@fleur
Fleur
asked the question
A person standing at the top of a hemispherical rock of radius R kicks a ball (initially at rest on the top of the rock) to give it horizontal velocity #v_i#. What must be its minimum initial speed if the ball is never to hit the rock after it is kicked?
.
3 weeks ago
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@fleur
Fleur
wrote an answer to
In Bengal, 30% of the population has a certain blood type.What is the probability that exactly four out of a randomly selected group of 10 Bengalis will have that blood type?
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4 weeks ago
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@fleur
Fleur
wrote an answer to
Suppose a class of students have an average SAT math score of 720 and average verbal score of 640. The standard deviation for each part is 100. If possible, find the standard deviation of the composite score. If it is not possible, explain why.?
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1 month ago
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@fleur
Fleur
wrote an answer to
Question #40687
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1 month ago
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@fleur
Fleur
wrote an answer to
How do you use the z-score to determine #P(0<z<0.94)#?
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1 month ago
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@fleur
Fleur
updated
the answer to
At 20.0Â°C, the vapor pressure of ethanol is 45.0 torr, and the vapor pressure of methanol is 92.0 torr. What is the vapor pressure at 20.0Â°C of a solution prepared by mixing 31.0 g methanol and 59.0 g ethanol?
.
1 month ago
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@fleur
Fleur
wrote an answer to
At 20.0Â°C, the vapor pressure of ethanol is 45.0 torr, and the vapor pressure of methanol is 92.0 torr. What is the vapor pressure at 20.0Â°C of a solution prepared by mixing 31.0 g methanol and 59.0 g ethanol?
.
1 month ago
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@fleur
Fleur
wrote an answer to
Find the derivative of y=tan sqrt{3x-1} (see equation in details) using chain rule?
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1 month ago
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@fleur
Fleur
said thanks for an answer to
Question #b7137
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1 month ago
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@fleur
Fleur
wrote an answer to
How do I simplify (sin^4x-2sin^2x+1)cosx?
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1 month ago
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