1- a- Explain why trade winds blow from east to west in both the North.pdf
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1. (5 marks) A subgroup N of a group G is said to be normal if and only if every left coset of N is equal to the corresponding right coset, i.e., k G k N = N k Find all subgroups of the dihedral group D 3 . For each subgroup, determine whether it is normal or not. Prove all your claims. 2. (5 marks) Let a be a non-negative real number. Prove that the series n = 1 ( n + 1 an + 2 ) n 2 converges when a < 1 and diverges when a 1 ..
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1- According to an article in the Wall Street Journal on February 7- 2.pdf
1. (5 points) Rank the following functions by asymptotic growth from the slowest growing to the
fastest growing. lo g n n , ( lo g n ) 100 n , 2 n , lo g ( lo g n ) , n n , lo g ( n 100 ) , n 3 , 2 2 n , n
lo g n , 3 n.
1- After what gestational age is preeclampsia diagnosed and what is th.pdf
1. ( 6.0 ) Complete by adding + if your answer is increases and t if your answer is decreases: -
Hyperventilation: OH 4 1 [ H ] CO 2 _ bemoglobin affinity for O 2 - Hypocapnia: - Apnea: -
Hypercapnia: - Increased temperature: the amount of oxygen discharged (released) by
hemogiobin to peripheral tissues - Decreased pH : the amount of oxygen discharged (released)
by hemoglobin to peripheral tissues increased H + the amount of oxygen discharged (released)
by hemoglobin to peripheral tissues.
1- Action potential carried into the interior of the cell via T-tubule.pdf
1. (5pts.) If the Fed sells $1.5 million of bonds to the First National Bank, what happens to the
assets and liabilities of the - Fed's T-account? - First National Bank's T-account? - the monetary
base? 2. (5pts.) If the Fed lends ole-bank a total of $200 million but depositors withdraw $150
million and hold it as currency, what happens to the assets and liabilities of the - Fed's T-
account? - Ole-bank's T-account? - the monetary base?.
1- A- - ( ) )-0-30 The akere te Hia valee in if H(x) in and.pdf
1. (4 pts) 1.16 Number of pets owned and happiness [CL1] : The scatterplot below shows the
relationship between happiness and number of pets owned for 57 people, based on a survey.
[CL1] Tips for problems 1-2: Recall that observational studies permit us to identify
relationships, but experiments must be conducted before we can make causal statements. Recall
from algebra that the slope of a linear equation indicates a rising (positive slope) or falling
(negative slope) line, in this way you classify plots of the data points by observing if the trend is
generally linear and rising or falling.
Can we conclude that having pets causes an increase in happiness?
__Yes, this is an experimental study
__Yes, this is an observational study
__No, this is an observational study
__No, this is an experimental study
Can we conclude that having pets is correlated to happiness?
__Yes, this is an experimental study
__Yes, this is an observational study
__No, this is an observational study
__No, this is an experimental study.
1- A rock that exhibits a phaneritic texture would be considered an ex.pdf
1. (20 points) Golfers have monthly demand for golfing at the Riviera Golf Club given as P =
250 25 Q where P is price per round of golf and Q the number played per month. Marginal
revenue is MR = 250 50Q and marginal (and average) cost is constant at MC = $50 . The Riviera
acts like a monopoly in setting its pricing. Illustrate your math answers below with a graph and
explanation. a. The Riviera sets a price per round of golf played plus a monthly membership fee
to join the club. Find the profit-maximizing price P , number of rounds Q , membership fee, and
profits. b. On your graph, compare the profits in part a) to the profits if the Riviera charged the
single-price non-discriminating monopoly price. c. Compare the deadweight loss (inefficiency)
of the single-price non-discriminating monopoly price with the two-part pricing in part a?
Explain..
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1. (14 points) Consider a three-state model with states numbered 0 , 1 , and 2 . Given: - The only
possible transitions are 0 to 1,0 to 2 , and 1 to 2 . - x 01 = 0.02 , for x 50 ; x 01 = 0.03 , for x > 50
. - x 02 = 0.02 , for x 0 ; x 12 = 0.1 , for x 0 . Calculate 15 plt , the probability that a person who
is in state 0 at age 45 is in state 1 when he reaches 60..
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1. (10pts) Consider the Bertrand duopoly discussed in class. Assume each firm has constant
marginal cost c = 10 and zero fixed cost. Each firm chooses a price P i 0 . The market demand is
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details on how payoffs are computed. a) (2pts) If firm 1 is the only firm on the market, what
price would this monopolist charge? b) (2pts) In the Bertrand model with both firms on the
market, if firm 2 chooses a price higher than the monopoly price, what is firm 1's best response?
c) (3pts) Use payoffs to explain why ( P 1 = 10 , P 2 = 10 ) is Nash equilibrium. d) (3pts)
Suppose both firms choose the monopoly price. How much profit would each firm make?
Explain why it is not Nash equilibrium..
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1- According to an article in the Wall Street Journal on February 7- 2.pdf
1. (5 points) Rank the following functions by asymptotic growth from the slowest growing to the
fastest growing. lo g n n , ( lo g n ) 100 n , 2 n , lo g ( lo g n ) , n n , lo g ( n 100 ) , n 3 , 2 2 n , n
lo g n , 3 n.
1- After what gestational age is preeclampsia diagnosed and what is th.pdf
1. ( 6.0 ) Complete by adding + if your answer is increases and t if your answer is decreases: -
Hyperventilation: OH 4 1 [ H ] CO 2 _ bemoglobin affinity for O 2 - Hypocapnia: - Apnea: -
Hypercapnia: - Increased temperature: the amount of oxygen discharged (released) by
hemogiobin to peripheral tissues - Decreased pH : the amount of oxygen discharged (released)
by hemoglobin to peripheral tissues increased H + the amount of oxygen discharged (released)
by hemoglobin to peripheral tissues.
1- Action potential carried into the interior of the cell via T-tubule.pdf
1. (5pts.) If the Fed sells $1.5 million of bonds to the First National Bank, what happens to the
assets and liabilities of the - Fed's T-account? - First National Bank's T-account? - the monetary
base? 2. (5pts.) If the Fed lends ole-bank a total of $200 million but depositors withdraw $150
million and hold it as currency, what happens to the assets and liabilities of the - Fed's T-
account? - Ole-bank's T-account? - the monetary base?.
1- A- - ( ) )-0-30 The akere te Hia valee in if H(x) in and.pdf
1. (4 pts) 1.16 Number of pets owned and happiness [CL1] : The scatterplot below shows the
relationship between happiness and number of pets owned for 57 people, based on a survey.
[CL1] Tips for problems 1-2: Recall that observational studies permit us to identify
relationships, but experiments must be conducted before we can make causal statements. Recall
from algebra that the slope of a linear equation indicates a rising (positive slope) or falling
(negative slope) line, in this way you classify plots of the data points by observing if the trend is
generally linear and rising or falling.
Can we conclude that having pets causes an increase in happiness?
__Yes, this is an experimental study
__Yes, this is an observational study
__No, this is an observational study
__No, this is an experimental study
Can we conclude that having pets is correlated to happiness?
__Yes, this is an experimental study
__Yes, this is an observational study
__No, this is an observational study
__No, this is an experimental study.
1- A rock that exhibits a phaneritic texture would be considered an ex.pdf
1. (20 points) Golfers have monthly demand for golfing at the Riviera Golf Club given as P =
250 25 Q where P is price per round of golf and Q the number played per month. Marginal
revenue is MR = 250 50Q and marginal (and average) cost is constant at MC = $50 . The Riviera
acts like a monopoly in setting its pricing. Illustrate your math answers below with a graph and
explanation. a. The Riviera sets a price per round of golf played plus a monthly membership fee
to join the club. Find the profit-maximizing price P , number of rounds Q , membership fee, and
profits. b. On your graph, compare the profits in part a) to the profits if the Riviera charged the
single-price non-discriminating monopoly price. c. Compare the deadweight loss (inefficiency)
of the single-price non-discriminating monopoly price with the two-part pricing in part a?
Explain..
1- A researcher wants to know if excessive social media use causes aca.pdf
1. (20 points) Give implementation-level English description of Turing Machine that decide the
language { w w contains twice as many 0 s as 1 s } over the alphabet { 0 , 1 } ?.
1- A population of rat snakes (Pantherophis alleghaniensis) has begun.pdf
1. (14 points) Consider a three-state model with states numbered 0 , 1 , and 2 . Given: - The only
possible transitions are 0 to 1,0 to 2 , and 1 to 2 . - x 01 = 0.02 , for x 50 ; x 01 = 0.03 , for x > 50
. - x 02 = 0.02 , for x 0 ; x 12 = 0.1 , for x 0 . Calculate 15 plt , the probability that a person who
is in state 0 at age 45 is in state 1 when he reaches 60..
1- A patient is receiving a continuous intravenous (IV) heparin infusi.pdf
1. (10pts) Consider the Bertrand duopoly discussed in class. Assume each firm has constant
marginal cost c = 10 and zero fixed cost. Each firm chooses a price P i 0 . The market demand is
given by Q = 130 P , where P = min { P 1 , P 2 } is the market price. Refer to the notes for more
details on how payoffs are computed. a) (2pts) If firm 1 is the only firm on the market, what
price would this monopolist charge? b) (2pts) In the Bertrand model with both firms on the
market, if firm 2 chooses a price higher than the monopoly price, what is firm 1's best response?
c) (3pts) Use payoffs to explain why ( P 1 = 10 , P 2 = 10 ) is Nash equilibrium. d) (3pts)
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Explain why it is not Nash equilibrium..
1- A movie may have many actors- and an actor can act in many movies-.pdf
1. (10 points) Use the solarSystem collection, calculate the average mass and number of moons
for each type of planet
The one document pattern is given like this.
There are nine such documents like the pattern given below.
{"_id":{"$oid":"59a06674c8df9f3cd2ee7d51"},"name":"Sun","type":"Star","orderFromSun":{"$numberInt":"0"},"radius":{"value":{"$numberInt":"695700"},"units":"km"},"mass":{"value":{"$numberDouble":"1.9885e+30"},"units":"kg"},"sma":{"value":{"$numberInt":"0"},"units":"km"},"orbitalPeriod":{"value":{"$numberInt":"0"},"units":"years"},"eccentricity":{"$numberInt":"0"},"meanOrbitalVelocity":{"value":{"$numberInt":"0"},"units":"km/sec"},"rotationPeriod":{"value":{"$numberDouble":"25.449"},"units":"days"},"inclinationOfAxis":{"value":{"$numberDouble":"7.25"},"units":"degrees"},"meanTemperature":{"$numberInt":"5600"},"gravity":{"value":{"$numberInt":"274"},"units":"m/s^2"},"escapeVelocity":{"value":{"$numberDouble":"617.7"},"units":"km/sec"},"meanDensity":{"$numberDouble":"1.4"},"atmosphericComposition":"H2+He","numberOfMoons":{"$numberInt":"0"},"hasRings":false,"hasMagneticField":true}
For the above question can you please help me write the mongodb query using aggregate,group
and unwind.
I have assignment due tom. When I asked the chegg team few hours the same question they
have used $size must be an array. Please give me the correct query..
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1. Which of the following activities is identified with a service business?
Fabrication
Diagnostic imaging
Assembly
Mixing
abcd
2. Jacobsville Hospital has budgeted costs of $850,000 in diagnostic imaging. The total estimated
activity-based usage is 2,500 images. Total costs for the entire hospital are estimated to be
$3,000,000. The activity rate per image is
$340
$1,200
$860
$1,540
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1- -- MAINTENANCE09 -- Program prompts a user for name- hours worke.pdf
1. // MAINTENANCE09
// Program prompts a user for name, hours worked,
// and hourly pay rate
// then computes gross pay and displays the name and gross pay
// Modify the program to use four methods named
// getName(), getHours(), getPayRate(), and computeGross()
start
Declarations
string name
num hours
num payRate
num gross
output "Input name >> "
input name
output "Input hours worked >> "
input hours
output "Input pay rate >> "
input payRate
gross = hours * payRate
output name, " earned $", gross
stop.
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A number of structures in the male reproductive anatomy contribute to the final composition of
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1- A rock that exhibits a phaneritic texture would be considered an ex.pdf
1. A rock that exhibits a phaneritic texture would be considered an extrusive rock.
True
False
2. Lahars are caused when which of the following combine?
Ash and water
Water and dirt
Rocks and lava
Lava and water
Ash and lava
3. Differentiation is a process where _________.
All of the answer choices are correct
Earth separated into layers or zones of different composition.
Oxide and sulfide minerals separated in the Earth's crust
Lithospheric plates float on the asthenosphere in terrestrial planets.
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1. A researcher wants to know if excessive social media use causes academic problems. She
surveys 1000 high school students and asks them how many hours per day, on average, they use
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She finds a negative correlation with high social media use associated with lower GPAs.
a. What type of research design did the researcher use?
b. What is the independent variable and the dependent variable?.
1- A population of rat snakes (Pantherophis alleghaniensis) has begun.pdf
1. A population of rat snakes (Pantherophis alleghaniensis) has begun to eat many of the brown
color morphs of the bark frog (Ranus kevinus), which has led to an increase in the number of the
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1. A patient is receiving a continuous intravenous (IV) heparin infusion. The nurse is monitoring
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1- A movie may have many actors- and an actor can act in many movies-.pdf
1. A movie may have many actors, and an actor can act in many movies. An actor can play more
than one role in the same movie. Suppose we try to represent this in our database using an Actor
table, a Movie table, and a Role table. The Role table has a foreign key to reference the Actor
table, plus the name of the role and the title of the movie.
a) There might be actors who do not have roles in the Role table
b) The actor referenced might not exist in the table
c) A role might list a movie title that does not exist in the Movie table
d) There could be more than one actor with the same name
2. Suppose we have the following relational model:
Movie(mov_id(PK), title, yr)
Person(pid(PK), fname, lname, gender)
Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person, movie_id references
Movie
What would be true of the following query?
SELECT fname, lname
FROM Movie m, Acts_In a, Person p
WHERE mov_id = movie_id AND actor_id = pid AND yr = 2022
a) It produces the names of actors who were in every movie released in 2022
b) It produces the names of all actors
c) It produces names of actors who had a role in a movie released in 2022
d) It produces the names of actors who were in exactly 1 movie released in 2022
.
1- A given bacteria have a generation time of 15 minutes- After a urin.pdf
1. A given bacteria have a generation time of 15 minutes. After a urine sample containing these
bacteria sits for 2.5 hours, it now contains 5,120 cells. What was the original number of bacteria
in the urine?.
1- A content calendar gives you a map of all your future content acros.pdf
1. A content calendar gives you a map of all your future content across all of your social
accounts. What are the three main components of an effective content calendar? Review Later
An Evergreen library
A monthly calendar
A team vacation calendar
A weekly Calendar.
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the notations involved or disprove it by giving a counterexample..
1- -2 points- Consider the following data for Japan (2022 are IMF esti.pdf
1. [2 points] Consider the following data for Japan (2022 are IMF estimates): Employment
2022:67.349 millions of persons Labor Force 2022: 69.111 millions of persons Interest rate
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(b) the real GDP growth rate for 2022; (c) the unemployment rate for 2022; (d) the real interest
rate for 2022 ..
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primary bronchus 7. cricoid cartilage B. \# thyroid cartilage 8. thyroid cartilage 9. 10. 11. 12.
trachea 13. secondary bronchus (lobar) 14. tertiary bronchus (segmental) 15. left superior
lobe/apex 16. diaphragm 17. \# left primary bronchus 18. left inferior lobe 19. larynx.
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population? (a) Preference by females for highly colored males (b) Preference for mating with
close neighbors (c) Tendency for males to disperse from den sites to find mates (e) Preference by
females for the largest males.
1- (20 points) Give implementation-level English description of Turing.pdf
1. (20 points) Give implementation-level English description of Turing Machine that decide the
language { w w contains twice as many 0 s as 1 s } over the alphabet { 0 , 1 } ?.
1- -10 points- Show that if there exists a pseudorandom function famil.pdf
1. [10 points] Show that if there exists a pseudorandom function family F = { F } N , where the
family F consists of functions from { 0 , 1 } to { 0 , 1 } then there exist one way functions. 2. [10
points] Does the implication still hold if the family F consists of functions from { 0 , 1 } to { 0 ,
1 } ?.
1- (10 points) Create a ) Create a regular expression- DFA- and Regula.pdf
1. (10 points) Create a ) Create a regular expression, DFA, and Regular Grammar that describes
a languages that has an even number of a's and an odd number of b's followed by ayn number of
c s or d's, OR a patten of even occurrences of the string ccbad'.
1- (28 points) Consider discrete random variables X and Y with the fol.pdf
1. (28 points) Consider discrete random variables X and Y with the following joint pmf. 1.1.
What is P ( X 1 , Y = 1 ) ? 1.2. What is f X ( 1 ) ? 1.3. What is F X ( 1 ) ? 1.4. Let the joint
cumulative distribution function for random variables X and Y be F ( x , y ) such that F ( x , y ) =
P ( X x , Y y ) . What is F ( 0 , 2 ) ? 1.5. What is Cov ( X , Y ) ? 1.6. What is X , Y ? 1.7. Are X
and Y independent?.
Synthetic Fiber Construction in lab .pptx
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Operation Blue Star - Saka Neela Tara
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
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The one document pattern is given like this.
There are nine such documents like the pattern given below.
{"_id":{"$oid":"59a06674c8df9f3cd2ee7d51"},"name":"Sun","type":"Star","orderFromSun":{"$numberInt":"0"},"radius":{"value":{"$numberInt":"695700"},"units":"km"},"mass":{"value":{"$numberDouble":"1.9885e+30"},"units":"kg"},"sma":{"value":{"$numberInt":"0"},"units":"km"},"orbitalPeriod":{"value":{"$numberInt":"0"},"units":"years"},"eccentricity":{"$numberInt":"0"},"meanOrbitalVelocity":{"value":{"$numberInt":"0"},"units":"km/sec"},"rotationPeriod":{"value":{"$numberDouble":"25.449"},"units":"days"},"inclinationOfAxis":{"value":{"$numberDouble":"7.25"},"units":"degrees"},"meanTemperature":{"$numberInt":"5600"},"gravity":{"value":{"$numberInt":"274"},"units":"m/s^2"},"escapeVelocity":{"value":{"$numberDouble":"617.7"},"units":"km/sec"},"meanDensity":{"$numberDouble":"1.4"},"atmosphericComposition":"H2+He","numberOfMoons":{"$numberInt":"0"},"hasRings":false,"hasMagneticField":true}
For the above question can you please help me write the mongodb query using aggregate,group
and unwind.
I have assignment due tom. When I asked the chegg team few hours the same question they
have used $size must be an array. Please give me the correct query..
1- A content calendar gives you a map of all your future content acros.pdf
1. Which of the following activities is identified with a service business?
Fabrication
Diagnostic imaging
Assembly
Mixing
abcd
2. Jacobsville Hospital has budgeted costs of $850,000 in diagnostic imaging. The total estimated
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$3,000,000. The activity rate per image is
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abcd.
1- -- MAINTENANCE09 -- Program prompts a user for name- hours worke.pdf
1. // MAINTENANCE09
// Program prompts a user for name, hours worked,
// and hourly pay rate
// then computes gross pay and displays the name and gross pay
// Modify the program to use four methods named
// getName(), getHours(), getPayRate(), and computeGross()
start
Declarations
string name
num hours
num payRate
num gross
output "Input name >> "
input name
output "Input hours worked >> "
input hours
output "Input pay rate >> "
input payRate
gross = hours * payRate
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1- (20 points) Give implementation-level English description of Turing.pdf
1.
A number of structures in the male reproductive anatomy contribute to the final composition of
the semen. Place the structures in the correct order in which the structures contribute to the
semen: 1 2 3 4 Place the following structures in the correct order in which sperm would pass
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1- A rock that exhibits a phaneritic texture would be considered an ex.pdf
1. A rock that exhibits a phaneritic texture would be considered an extrusive rock.
True
False
2. Lahars are caused when which of the following combine?
Ash and water
Water and dirt
Rocks and lava
Lava and water
Ash and lava
3. Differentiation is a process where _________.
All of the answer choices are correct
Earth separated into layers or zones of different composition.
Oxide and sulfide minerals separated in the Earth's crust
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1. A researcher wants to know if excessive social media use causes academic problems. She
surveys 1000 high school students and asks them how many hours per day, on average, they use
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She finds a negative correlation with high social media use associated with lower GPAs.
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1- A movie may have many actors- and an actor can act in many movies-.pdf
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table, a Movie table, and a Role table. The Role table has a foreign key to reference the Actor
table, plus the name of the role and the title of the movie.
a) There might be actors who do not have roles in the Role table
b) The actor referenced might not exist in the table
c) A role might list a movie title that does not exist in the Movie table
d) There could be more than one actor with the same name
2. Suppose we have the following relational model:
Movie(mov_id(PK), title, yr)
Person(pid(PK), fname, lname, gender)
Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person, movie_id references
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