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Darina [25.2K]
4 years ago
14

2 please answer this question

Mathematics
2 answers:
Fittoniya [83]4 years ago
4 0
B. End of the reconstruction. 
iren [92.7K]4 years ago
3 0
End of Reconstruction, lot of it is him winning by one electoral vote.
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When a gas changes into a liquid, it is called ____________, and the speed of the molecules is ___________. A. condensation; inc
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condensation, decreases trust me is right

Step-by-step explanation:

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4 years ago
Suppose a tub has the shape of an elliptical paraboloid given by z = ax2+by2 (where a, b are some positive constants). If a marb
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Answer:

It would roll in this direction.

\nu  =  (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})

Step-by-step explanation:

It would roll to the direction of maximum decrease, which is the -1 times the direction of maximum increase, which is given by the gradient of the function.  

Since  

z =  ax^2  + by^2

For this case, the gradient of your function would be

\nabla z  = (2ax , 2by)

And  -1  times the gradient of your function would be

-\nabla z  = (-2ax , -2by)\\

Then, at

 (1,1,a+b),\\x = 1 \\y = 1

So it would go towards

v = (-2a,-2b)

The magnitud of that vector is

|v| =  2\sqrt{a^2+b^2}

and to conclude it would roll in this direction.

\nu  =  (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})

6 0
3 years ago
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The range for group 2 is greater than the range for group 1
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For the experiment of drawing a single card from a standard​ 52-card deck, find ​(a) the probability of the following​ event, an
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Wally takes $40 out of his bank account every week.If he had a balance of $100 to begin with,what is his balance after 4 weeks?
vfiekz [6]

Answer:-$60

Step-by-step explanation: the answer is -$60 because multiply 40 by 4 you get $160 and you only have $100 so then you would 100-160=-60

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3 years ago
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