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Mathematics Questions and Answers October 07, 2022

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1. For each of the pairs of vectors below, compute the length of each member of the pair, then compute the dot product between each member of the pair and the distance between the two ll gll members; and say if they are orthogonal. 0 '4 12 2 -5 -1 3 3 2 8 5 3
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Calculate the interest and maturity value in each row please thank you. Calculate the interest and maturity value in each row. 1. Interest Rates Term Principal Interest Maturity Purpose Ordinary Exact (Days) Value Drum Set $900.00 49% 45 a. b. Used Car $1,960.00 30 b. Used Dirt Bike $4.800.00 10% 123 H. h. School Tuition for Twins $9.675.00 275 a.
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Let D = (2, y ) : 2 6 - S By2, . Let f(z, y) = y2x. In this exercise, we will evaluate f (x, y) d.A. D 1 . The most natural change of variables to make is to set u = u(x, y) = and v = v(x, y) = xy2 . The inverse transformation is a = (u, v) = , and y = y(u, v) = a(x, y) . The Jacobian is a(u, v) . Putting the above together, we get / f(x, y)dA =
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A health care professional wants to determine whether individuals with hypertension who take Atenololhave significantly lower systolic blood pressure than individuals with hypertension who do not take Atenolol. For individuals who have not been prescribed Atenolol, the population systolic blood pressure mean is 165 (= 165) with a standard

Show for the Sturm-Liouville ODE d dx p(x) d dx q(x) + r(x) = 0 a < x < b with homogeneous boundary conditions (a) = 0 (b) = 0 that there is a Rayleigh quotient of the form = Z b a " p(x) d dx2 + q(x) 2 # dx Z b a r(x)(x) 2 dx

How fast does lava flow over open ground? Assume we are discussing low-viscosity lava. Multiple choice question. Fairly slowly1 kilometer per hour Really quicklyseveral hundred kilometers per hour Fairly quickly30 kilometers per hour

Unit 2 Evaluation Precalculus: Trigonometry (MTHH 044 060) This evaluation will cover the lessons in this unit. It is open book, meaning you can use your textbook, course content, and other course materials. You will need to understand, analyze, and apply the information you have learned in order to answer the questions correctly. To submit the

Find tan(2), if tan()=56 33, and is in quadrant 1

Suppose a bag of colored marbles contains 15 marbles. If you draw one marble at a time from the bag, without replacement, how many different ways can you draw all of the marbles from the bag? Remember that "without replacement" means that the marbles are not returned to the bag after they are chosen. Write your answer in factorial notation.

when does multiplication "make bigger" and when does it "make smaller"? for example, consider the product m 8. identify all values of m for which the product will be greater than 8, and all values of m for which the product will be less than 8. When m <0, the expression m8 will be less than 8. When m <1, the expression m8 will be less than 8 .

The induced power required to overcome drag varies as the inverse of the velocity ratio to the _______ power. Group of answer choices first second third fourth

A sample of 140 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.68. What is the standard deviation of the sampling distribution? rounded to 3 decimal digits

Cuntas permutaciones de los caracteres ABCDEFGH7 contienen la subcadena ordenada ABC

hi can someone help me with this plES if you can, may you explain everything, it would mean alot! thank you and have a great day! :D Unit 1 Project Graph each relation and find the domain and range. Then determine whether the relation is a function. 1. {(-4, -8), (-2, 2), (0, 5), (2, 3), (4, -9)} 2. y = 3x - 3 Find the functional value. 3. f(0) if
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1/2" thick gypsum board is being installed over a 2x4 wall with studs spaced 16 inches on center. Upon installation, the maximum spacing of screws should not exceed _______. Question 21 options: 8 inches 24 inches 12 inches 16 inches

Match each equation with a graph of one of the functions f, g, m, or n. (A) y= - (x - 3)- +4 Ly g (B)y = (x - 3)- - 4 (C) y = (x+ 3)2 - 4 (D) y= - (x +3)2+4 m n (A) The equation y = - (x - 3)" + 4 corresponds to function (B) The equation y = (x - 3)" - 4 corresponds to function (C) The equation y = (x+ 3)- - 4 corresponds to function (D) The
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Globalpetrolprices.com is a website that compares utility bills for households and businesses. It has been observed that Denmark, German and Italy have the highest household electricity costs. Suppose Italy's electricity pricing is as follows: Each household bears a minimum of 50$ fixed charge and an additional 0.78$ for each unit of electricity

Please Answer the following question with detailed written and mathematical steps : Applied Optimization 1. demonstrate your ability to complete an applied optimization word problem; 2. improve your mathematical writing to include full solutions with justifications; 3. integrate mathematical statements into grammatically correct expositions.
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A double-blind randomised experiment investigated whether consumption of oligofructose would stimulate calcium absorption in healthy human males aged 14 to 16 years. Two sets of pills were prepared, identical in appearance and packaging. One set contained oligofructose and the other set contained ordinary sucrose (i.e., a placebo). The experiment

For this question, use 24 hour time (example: 10 am = 10, noon = 12, 6 pm = 18, midnight = 24). Mr. Ray rented a cottage last summer in Oak Bay on the Bay of Fundy in New Brunswick. The Bay of Fundy is well known for its high tides (the water goes up and down by several metres). The water outside his cottage reached a maximum depth of 2.0 metres
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What kind of scatter plot is this? Explain this please Budget vs. Box Office Gross 1000 X 900 800 Box Office Gross (in millions) 700 X 600 X 500 400 X 100 125 150 175 200 225 250 275 300 Budget (in millions)
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A bookstore sold 37800 copies in its first month of release. Suppose this represents 8.6% of the number of copies to date. How many copies have been sold to date.

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5.6 points If the annual gross earnings for Tom Lowry is $107,925.50, then determine the weekly earnings. O $2,075.50 $2,075.49 $2,754.90 $4,150.98
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A flexible cord for a cord-and-plug-connected range hood shall have a minimum length of __________ inches and a maximum length of _______________ inches

Line Plots Assignment 1) Students in Mrs. Evan's class measured the heights of the bean plants they were growing. The following is the ' data set for the bean plant heights, in inches: Create a line plot for this data by placing an x above the measurement for each time that measurement is found in the qo.ta (Try to make all of your x's the same
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Give an example of something having these distribution shapes. (a) bimodal (b) approximately rectangular (c) positively skewed (a) Choose the correct answer below. A. Heights of adult males B. Arm spans of adult males C. Number of customers in a restaurant throughout a given day D. Weights of adult females (b) Choose the correct answer below. A.

The vector field F = is conservative. (a) Find a potential function f for F. few= (b) Use your answer from above to evaluate / F-dr along C a piecewise smooth curve C from (2, 5) to (3, 4). C Question Help: [] Video The vector field F = (5yz, 5xz + 4, 5xy + 2z) is conservative. (a) Find a potential function f for F. f ( x, y, z) = (b) Use your
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V. = Bot Bix, + 8, n the Durbin-Watson test statistic d = t= 2 n can be applied to test where there are serial correlations in the regression residual.\f\f
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Convert the following 3 angles from degrees to Radians. a. 240= b.335 c. 135

1.La probabilidad de que cierto tipo de transistor dure ms de 2 mil horas de uso es 0.6. Si se seleccionan 100 transistores al azar Cul es la probabilidad de que: a.No menos de 60 ni ms de 70 duren ms de 2 mil horas? b.Al menos 50 duren ms de 2 mil horas?

Cecchetti's method uses almost every step in Classical Ballet. Group of answer choices True False

explain what makes a game fair or unfair in a way that someone unfamiliar with probability would understand. give an example of one fair and one unfair game and explain why they are so.

Find the value of X 2 for 17 degrees of freedom and an area of .050 in the left tail of the chi-square distribution.

The design on this Mimbres pot can be equally understood a design of white on black or black on white. The pattern is a system of interlocking shapes. These shapes are referred to as ___________________________. Group of answer choices positive and negative shapes. lock and set shapes. advancing and receding shapes. pushing and pulling shapes

What do pierce points indicate in SolidWorks weldments

in a poisson probability problem, the rate of errors is one every two hours. to find the probability of three defects in four hour, which lambda (mean) and x variable values should be used? A=6,X=2 A=3,X=2 A=1,,X=2 A=3,X=6 A=2,X=3

Determine the form of the Bayes decision rule in an estimation problem with a one-dimensional parameter R^1 and loss function L , d = ( a( d ) if d , b( d ) if d > , where a and b are known positive constants.

phrase the following, based on the following, we proceed to conduct calculations to determine the accurate figures particullarly focussing on the rate of the new minimum wage as introduced from 1st of march to the month of april 2024

1: You are making lasagna for the restaurant's nightly special. One lasagna makes 9 servings For this assignment - You will be calculating the lasagna recipe to determine: 1. Ingredient amount for ONE serving of lasagna. 2. Ingredient amount for 50 servings of lasagna 3. Cost for ONE serving of lasagna 4. Cost for 50 servings of lasagna Recine for
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Perform the indicated operation. Then use a calculator to check your work. 3.6plus1.35 Question content area bottom Part 1 3.6plus1.35equals enter your response here (Type an integer or a decimal.)

Please answer the question based on the following image. What is the MAD value? A.1.5 B.6 C.3 D.0 Week New Cars Sold Forecast May 14 June 12 July 19 17 August 21 19 September 14 16 October 16 16
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A KRC research poll asked respondents if they felt vulnerable to identity theft. Of 1002 people polled, 531 said "yes". Find a 95% confidence interval for the proportion of people who felt vulnerable to identity theft. Question 102 A KRC research poll asked respondents if they felt vulnerable to identity theft. 381\"" 'me \"we" Of 1002 people
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"A necklace and a ring are going to be insured. The insurance company estimates the probability of the ring being stolen to be 0.03 and the probability of the necklace being stolen to be 0.07. If they estimate the probability of the ring or necklace being stolen to be 0.095 what is the probability the ring will be stolen given the necklace is

Can you solve step-by-step? I prefer the answers to be typed instead of written because they don't allow PDFs to be opened. You can still send the steps also. 1. [-/1 Points] DETAILS MY NOTES OSPRECALC1 6.3.158.TUT. PRACTICE ANOTHER Suppose a 19-foot ladder is leaning against a building, reaching to the bottom of a second-floor window 14 feet
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12) A = (x : x is a vowel in the word Infinite) A) n(A) = 5 B) n(A) = 4 C) n(A) - 2 D) n(A) = 3 13) A = (2, 4, 6, 8, 10) A) n(A) = 2 B) n(A) = 4 C) n(A) = 5 D) n(A) - 10 14) A = (x : x is a second in a minute] A) n(A) = 120 B) n(A) = Infinite C) n(A) = 60 D) n(A) = 12 Identify the set as finite or Infinite. 15) (3, 4, 5, . . ., 12) A) Infinite B)
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Osh 262 what is the vertical height of stair railing

An experiment was conducted at a small supermarket for a period of 8 days on the sales of a single brand of dogfood, involving three levels of shelfheight: kneelevel, waistlevel, and eye level. During eachday, the shelf height of the dog food was randomly changed on three different occasions.Sales, in hundreds ofdollars, of the dog food per day

(7) The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.2. Suppose you purchase box after box until you have obtained two of those prizes. (a) What is the name of this distribution? What is/are its parameter(s)? (b) What is the probability that you purchase exactly four boxes (meaning that 2 of the

Explain with details with steps Querstion 1 Using a data set, we obtained the following within sum of sqaures (SSW) values and cluster numbers: \f
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a data set has a mean of 24 and a standard deviation of 3. what is the z-score of 14.4

hello , Identify the type of variables (i.e., numerical, ordinal, and nominal Variables and Their Measurement Scale Number of Measurement-scale/ Variable/index variables Question index analysis I Corruption "It is common for firms in my line of business to have to pay 6-point-scale some irregular "additional payments" to get things done."
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Assume that military aircraft use ejection seats designed for men weighing between 146.2 146.2 lb and 202 202 lb. Ifwomen's weights are normally distributed with a mean of 167.2 167.2 lb and a standard deviation of 42.3 42.3 lb, what percentage of women have weights that are within thoselimits? Are many women excluded with thosespecifications? The

The probability that a resident of Westlake, OH subscribes to People magazine is .13. The probability that a Westlake resident is female is .57. The probability that a resident of Westlake is not a female and does not subscribe to People magazine is .32. The probability that a Westlake resident selected at random is not a female and subscribes to

Subj: Mathematics in the modern world / any math related subj Establisj your own essay that consist of one thousans five hundred to two thousand words one of the following topics: Patterns in nature Symmetries, fractals, and spiral in your surroundings Natural Phenomena in Relation to Mathematics

The Dunnan family pays a rate of 37.5 mills in property tax. The assessed value of the home is $85,000. What is their property tax

A rectangular piece of sheet metal is 2 ft longer than it 1s wide. (See the figure below.) The area of the piece of sheet metal is 24 ft*. Find its length and width. & 2 24 ft - L . O 7= 9f O 4fix 7 O 4fix 6 ft O s5fix7# LA - O 3fix
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Let F be the relation on the set of commercial airports defined by: If x and y are two such airports, xRy if there is a commercial flight that flies from A directly to B (non-stop). Check all properties that the relation has and use common sense

Determine whether the value given below is from a discrete or continuous data set . In a test of a method of gender selection , 689 couples used the X SORT method and 396 of them had baby girls . Choose the correct answer below . O A. A discrete data set because there are a finite number of possible values O B. A continuous data set because there
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(Changes in global temperature - last 800,000 years). Has it been warmer than today at any time during the last 800,000 years? Question 10 options: 1) No 2) Yes, one time only 3) Yes, at least two times 4) Yes, more that a dozen times

content area top Part 1 2 is _____% of 5

Let's say George wants to lose 30 pounds over 40 weeks. How many Calories are stored in 30 pounds of fat? [ Select ] How much of a Daily Caloric Deficit does George need to be in to lose 30 pounds over 40 weeks? [ Select ]

According to government data, 62% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?

point s) possible Decide whether or not the equation has a circle as its graph. If it does, give the center and the radius. If it does not, describe the graph 2+12+ 6x +2y+9=0 Select the correct choice below and, if necessary, fil in the answer boxes to complete your choice A. The graph of the equation is a point O B. The graph of the equation is
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distance d(P,Q) and the coordinates the segment PQ. For the point P(~ 13, 13) and Q(- 6, - 8), find the of the midpoint M of T \\What is the distance? {Simplify your answer. Type an exact answer, using radicals as need) What are the coordinates of the midpoint M? (Simplify your answer. Type an ordered pair, using integers or fractions.)
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Which of the following terms best categorizes patterns that involve all or nothing thinking, discounting the positives, jumping to conclusions, and magnifying and minimizing? a. Splitting b. Projection c. Denial d. Cognitive distortions

1. Este semestre tengo cuatro clases y son muy select answer 2. La clase de psicologa es muy select answer y el profesor es select answer 3. Tenemos select answer tarea en la clase de clculo pero es select answer 4. Los martes y los jueves tengo literatura select answer : es una clase muy select answer 5. Mi clase preferida es teatro porque es una

Provide a business application of a t-test with an explanation.

18 (1 point) All pre-operative orders are discontinued and needed to be reordered. Question 18 options: True False Question 19 (1 point) Fax or Scan to the pharmacy is______ Question 19 options: Step 3 Step 8 Step 5 Step 6 Question 20 (1 point) This alphabet indicates that a computerized requisition has been completed and sent. Question 20

Based on data from a college, scores on a certain test are normally distributed with a mean of 1546 and a standard deviation of 328. After viewing the icon table with standard scores and percentiles for a normal distribution. Find the percentage of scores greater than 2202?

If A, B, C, D, E, and F are non-zero real numbers, then which of the following statements accurately describes how to algebraically solve the nonlinear system below. Question content area bottom Part 1 Choose the correct answer below. A. The system must be solved algebraically using the elimination method. B. The system can be solved using either

these questions using the expressions il y a, depuis, and pendant. Be sure to use each expression at least once. changed Pendant combien de temps est-ce que vous avez tudi hier? changed Vos amis et vous, depuis quand est-ce que vous tudiez dans cette universit ? changed Quand est-ce que vous avez parl vos amis au tlphone

he braking percentage for each wheel on a rear wheel drive passenger car is: Group of answer choices 25% on each wheel 40% on each of the front wheels and 10% on each of the rear wheels 30% on each of the front wheels and 20% on each of the rear wheels 35% on each of the front wheels and 15% on each of the rear wheels

A clinical trial is run to evaluate the efficacy of a new medication to relieve pain in patients undergoing total knee replacement surgery.In the trial, patients are randomly assigned to receive either the new medication or the standard medication.After receiving the assigned medication, patients are asked to report their pain on a scale of 0-100

What is the radius of the circle defined by the equation x^2 + y^2 = 9

A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.90, a random sample of 100 doctors results in 83 who indicate that they recommend aspirin. The value of the test statistic in this

The sales tax for an item was $16.80 and its cost $420 before tax. Find the sales tax rate. Write answer in percentage.

Lauren Michel lends $17,000 at a rate of 10.7%. Find how long it will take for her investment to earn $1,121.72 in interest. Question 17 options: 222 days 258 days 254 days 225 days

A _________ meter reads only a small part of an image and is useful for exact measurements of individual areas. Group of answer choices averging center-weighted spot multisegment

Suppose a simple random sample of size n = 200 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic is p = 0.4. Determine the mean sampling distribution ofp. =0.4 Determine the standard deviation of the sampling distribution ofp. (round to 6 decimal places as needed)

The price ( in R ) and quantity of a basket of three items for the year 2 0 2 1 and 2 0 2 3 are in the table below. Using 2 0 2 1 as a base year, the Paasche ' s quantity index for this basket of items is 2 0 2 1 2 0 2 1 2 0 2 3 2 0 2 3 ITEM PRICE ( R ) QUANTITY PRICE ( R ) QUANTITY SWEETENER ( kg ) 1 4 0 1 0 0 1 7 0 1 5 0 CRACKERS ( BOX ) 4 0 6 0

You are facing North. Turn 90 degrees left. Turn 180 degrees right. Turn around to reverse your direction. Turn 45 degrees left. Turn around to reverse your direction. In which direction are you now facing?

Let R be a relation on Z defined as: x R y if and only if x2 = y2 . Show that R is an equivalence relation

Categorize each description with the corresponding colony. [No partial credit is given for this question. All answers must be categorized correctly to receive credit.] Category Virginia Category New England Possible answers (Answer Choices - Fish, lumber, tar, and pitch, Few, larger farms, Larger number of smaller farms, Able to grow more cash

Cul es el resultado de aplicar la operacin entre renglones R subndice 1 flecha derecha 1 tercio R subndice 1 ? Tip. Recuerda que la operacin de rengln

Hello, I am hoping for some help. Using the numbers below, i am trying to use the method of medians, what is value of the 1 st quartile (Q1)?I know how to find a quartile using Excel but I can't figure out how to solve. Can you please help walk me through the process to solve? 4 6 6 7 10 12 13 16 17 20 25

You want to estimate the mean number of friends for all the users of a website. How many users must be included in the sample if you want to be 95% confident that the sample mean is within seven friends of the population mean? Assume the sample standard deviation is about 64.0.

A product is made up of three parts that act independently of each other.If any of the parts is defective, the product is defective.Part one is defective 5% of the time, part two is defective 10% of the time, and part three is defective 15% of the time. Find the probability of a defective product.

Complete each sentence by writing the correct imperativo form of the verbs in parentheses. 1. Il postino mi ha detto: enter answer (pagare) quando riceve il pacco con le medicine. 2. La mamma ti diceva sempre: enter answer (mangiare) la frutta e la verdura a pranzo e a cena. 3. La segretaria dello studio medico gli ha scritto: enter answer

Proposition 2H Given the following proposition: [(B X) (Y B)] [(X A) (B Y)] In Proposition 2H, the main operator is a

There are 7 7 red balls and 9 9 black balls in an urn. You will draw 7 7 balls from the urn. If you draw 4 4 or less black balls, you win $45 $45. Otherwise you pay me $120 $120. (Draw without replacement.) Step1of2: Find the expected value of the proposition. Round your answer to two decimal places. Losses must be expressed as negative values.

need help and explanation for this - thank you- The mean annual income for residents in Chicago is $41,000 with a standard deviation of $30,000. If a random sample of 90 Chicago residents is obtained, what is the probability that the mean income of the sample is between $40,000 and $45,000? Round to the nearest 0.0001.

Complete each sentence with the correct form of avoir. Questions Modle La temprature est de 35 degrs Celsius. Nous Example answeravonsEnd example answer chaud. Question 1 with 1 blank En Alaska, en dcembre, vous 1 of 1 froid. Question 2 with 1 blank Martine coute la radio et elle 1 of 1 envie de danser. Question 3 with 1 blank Ils 1 of 1 besoin

Problem 2 (15 pts.) Recall the following definitions from lecture about a function g : A - B: one-to-one: Vn, me A : (n * m) = (g(n) # g(m)) onto: Vb E B : Ha E A : g(a) = b. Let f : N -+ Z be defined by f(n) := EvEK, deg(v), where Kn is the complete graph on n nodes. (a) (1 pt.) Suppose you are trying to prove a statement of the form Vr E S :
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how do you find the common denominator of two or more fractions

The Graduate Record Exam (GRE) is a standardized test required to me admitted to many graduates schools in the United States. A high score in the GRE makes admission more likely. According to the Educational Testing Service, the mean score for the takers of GRE who do not have training courses is 555 with a standard deviation of 139. Brain

Let A(1,0,3), B(3,1,1)and (7,3,3) be three points. a) Find the length of AB and BC and hence show that B divides AC in the ratio 1: 2. The diagram below shows the plane P; through B, with AC as its normal and with the equation 2x=y+2z=25. b) i) If BD x BE = kAB, find the value of k. \fi) Find the equation of the plane P, that contains the point
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