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Please help with problems I don’t understand how to work through these problems

Friction Patch:A10 kg crate is sliding at a constant speed of ‘l U mls along a frictionless horizontal table, when it encounters a friction patch (#5 =1 .1. ink =05). Once the crate enters the friction patch, a.) What are the sizes of the net force and acceleration of the crate?size of net force: 49.05 .I N size of acceleration: 4.905 y mi’s2 b.) How fast will the crate be going; when it has travelled 3 m across the friction patch? mz’s

 
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3. Mr. Freude Lazer, a statistics professor at the University of IMAX, drives from his home to the university every weekday. He has three options to drive there: he can take the Beltway, or he can take a main highway with some traffic lights, or he can take a back road which has no traffic lights but is a longer distance. Since he is data-oriented, he is interested to know if there is a difference in the time it takes to drive each route.

As an experiment, she randomly selected the route on 21 different days and wrote down the time it took her for the roundtrip, getting to work in the morning and back home in the evening. At the .01 significance level, can she conclude that there is a difference between the driving times using the different routes?”

Time (in minutes) it took to get to work and back using:

Beltway Main HighwayBack road

87                  80                         88

93                  82                         80

91                  90                         81

88                  92                         96

99                  77                         95

83                  75                         73

90                                               69

79 

3. Mr. Freude Lazer, a statistics professor at the University of IMAX, drives from his home to the university every weekday. He has three options to drive there: he can take the Beltway, or he can…

 
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Fresno Salads has current sales of $6,000 and a profit margin of 6.5 percent. The firm estimates that sales will increase by 4 percent next year and that all costs will vary in direct relationship to sales. What is the pro forma net income?​

  • ​$303.33
  • ​$438.70
  • ​$327.18
  • ​$405.60
  • ​$441.10
 
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Small Sample Difference of Means. 

 What is the pooled standard error for this problem?

FRESHSTOREDFRESHSTORED9. 89.5Mean10.3709.83010.09. 6Median10. 4009.80010.29. 6Variance*0. 1050. 05810 ..9.7Stud Dev0.3230. 24110.39. 8Min9.8009.50010.59.8Max10. BOO10. 20010.69.9Range1.0000. 70010. 610. 1CV3. 1182. 44810. 710. 110. 810. 2

 
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Fresh halibut livers containing 25.7% oil are to be extracted with pure ethyl ether to remove 95% of the oil in a counter current multistage leaching process. The feed rate is 1000 kg of fresh livers per hour. The final exit overflow solution is to contain 70wt% oil. The retention of solution by inert solids (oil-free liver) of the liver varies as follows, where N is kg inert (solid/kg) solution retained and yA is kg oil/kg solution.

N            y

4.88      0

3.50      0.2

2.47      0.4

1.67      0.6

1.39      0.81

calculate the amounts and compositions of the exit streams and the total number of theoretical stages.

Please teach me the step how to draw the stage…

Thank you

 
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Fresh Air Anti-Pollution Company is suffering declining sales of its principal product, nonbiodegradable plastic cartons. The president, Tyler Weber, instructs his controller, Robin Cain, to lengthen asset lives to reduce depreciation expense. A processing line of automated plastic extruding equipment, purchased for $3.5 million in January 2014, was originally estimated to have a useful life of 8 years and a salvage value of $400,000. Depreciation has been recorded for 2 years on that basis. Tyler wants the estimated life changed to 12 years total and the straight-line method continued. Robin is hesitant to make the change, believing it is unethical to increase net income in this manner. Tyler says, “Hey, the life is only an estimate, and I’ve heard that our competition uses a 12-year life on their production equipment.”

 (a) Who are the stakeholders in this situation?

 (b) Is the proposed change in asset life unethical, or is it simply a good business practice by an astute president?

 
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Frequency Response of a High-Pass FilterChange the capacitor  to be an inductor, the inductance is 100Hplot the amplitude and phase response of this filter over the frequency range 0<<F>>1000 HZ

 
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From a 2×2 table, with a chi-square value of 0.03 an alpha= 0.01, find the critical value. Given this information, is the statement true or false? We reject the null hypothesis.

True

False

Please show how to get the critical value, thanks!

 
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In short, in order to do statistical analysis in an old fashion environment – I need have a table created that is very wide and includes data from different parts of my DB. A model needs to be updated with another created. A well-documented, optimized script that filled the old table can be modified to suit your needs.

I’m attaching a few files for more details, with the Word doc giving more of an overview.

Thanks!

  • Attachment 1
  • Attachment 2
  • Attachment 3
 
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From 3 article: “Is google making us stupid?”, “Leave your name at the border”, “The rake: A few scenes from my childhood” answer the following questions: 

1. What is the point the author is making about the subject (This is a question about theme and message — not thesis).

2. What is the thesis — if it is not explicit, you write one for the essay.

3. Find six examples of details of narration.

4. Where could the author expand the details?

5. What is the order of events?

6. What is missing from the essay?

7. What is the essay’s greatest strength.

 
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