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Mathematics Questions and Answers October 06, 2021

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Question 5 4 pts 6a + 56 Let W be the set of all vectors of the form 0 . Show that W is a subspace of R by a+b+c c - 2a finding vectors such that W = the Span of those vectors. Write your vectors on your supporting papers and tell why you know that W is or is not a vector subspace. Edit View Insert Format Tools Table 12pt ~ Paragraph ~|B I U A &
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When writing an essay, it is best to _____. Multiple choice question. complete all editing before beginning revisions move back and forth between steps of the writing process as needed complete each step of the writing process in a linear order complete the writing task in a single step

Explain why populations are sampled and describe 2 of the 4 methods to sample a population
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In a charity triathlon, Mark ran half the distance and swam a quarter of the distance. When he took a quick break to get a drink of Gatorade, he was just starting to bike the remaining 21 miles. What was the total distance of the race? The total distance of the race was miles X
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A cruise ship made a trip to Vancouver and back. The trip to Vancouver took 15 hours, and the trip back took 12 hours. The ship averaged 20 km/h (kilometers per hour) on the trip back. What was the ship's average speed on the trip to Vancouver? Type your numerical answer below. km/h

Find the exact primary and reciprocal ratios for7 / 6 Include a neat diagram, including angles and side lengths along with the ratios.

Answer the question Jacob incorrectly factored 4532 995:: I 13 using the following steps. Step 1: 4533 (Elfin: + 93} I 13 Step 2: (4533 ace) + (ea 13) Step 3: 45$ {3 - 2) + 9 (a: 2] Step 4: (45:13 I Q] [m 2] In which step did he first make an error? In Step 1 because the expression inside the parentheses needs to have a sum of $993! not 993:. In
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El gerente de un negocio de venta de automoviles esta pensando en un nuevo plan de bonificaciones, con objeto de incrementar el volumen de ventas. Al presente, el volumen medio de ventas es 14 automoviles por mes. El gerente desea realizar un estudio para ver si el plan de bonificaciones incrementa el volumen de ventas. Para recolectar los datos

Consider the equation x 5 + 7x - 4 = 0. (1) Show that the equation has a unique root in the interval [0; 1]. (2) Rewrite the equation in the form x = g(x) for some continuous function g. (3) Use a Theoreme to show that the iteration sequence x n +1 = g(xn) converges for any initial value in the range [0; 1]. (4) Use the x-point method to estimate

. 1. An organizational specialist is hired as a consultant to a company planning to open a coffee house for college students. The company wants to know if the customers will drink more coffee if the coffee house is decorated in a Paris motif or in a San Francisco motif. To test this, the researcher sets up two similar rooms, but with the two
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Stat2023 ch 7 section 7.3 #5 how to find the population mean. Assume that the population does not exhibit a normal distribution. 95% confidence , N=51, x=4.o kg, S=6.3 kg. What is the confidence interval for the population mean?

What is the difference between descriptive statistics and inferential statistics?

it Assignment MAT 105 Unit 5 Test ONLINE_FA2021 Question 3 - of 21 Step 1 of 1 Perform the indicated operation of subtraction on the two rational expressions and reduce your answer to lowest tern 3x + 4 7x +8 x - 8 x - 8 wer 2 points
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SUBJECT: PROBABILITY AND STATISTICS NOTE: DONOT COPY AS IT IS DEFINITIONS & EXAMPLES FROM INTERNET!!!!!!!!!! Q1: Define subjective and experimental probability with at-least five real life application? Q2: Explain Non-mutually exclusive and complementary events with at-least 5 examples of each event?

Caso 3.1 American Dream Holdings, Ltd. (ADHL), es el propietario total de 88 corporaciones subsidiarias, algunas de las cuales operan en la mayora de los estados de Estados Unidos y otras operan en un nmero limi- tado de estados. Una de las corporaciones subsidiarias, EFC Corp., es el socio general de 2000 sociedades limitadas con operaciones en

5. (10 points) Consider the advertisement for gutter cleaning service shown to the right, (a) What is the external reference price in this ad? (b) According to the course material, an advertisement could attempt to frame a price as a single loss, as two losses, as a gain and a loss, or as a gain foregone. Which one of those framings is this
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Find Upper G prime left parenthesis w right parenthesis if Upper G left parenthesis w right parenthesisequalsStartFraction 7 Over 3 w Superscript 6 EndFraction plus 6 RootIndex 4 StartRoot w EndRoot

VA 3.4 Exponential and Logarithmic X + X C https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=28572896&tags=autosave#Q... A G 13. [0/1 Points] DETAILS PREVIOUS ANSWERS LARPCALC11 3.4.021. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the exponential equation algebraically. Approximate the result to three decimal places.
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Score on last try: 0 of 1 pts. See Details for more. You can retry this question below On a circle of radius 6 feet, what angle would subtend an arc of length 5 feet? degrees Question Help: Video Message instructor Submit
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8.13. Considere el software requerido para implementar la capacidad de navegacion (con un GPS) en un dispositivo movil de comunicacion portatil. Describe dos o tres preocupaciones de interferencia que se presentarian. Analice la manera en la que se representaria como aspecto una de estas preocupaciones
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DIFFERENTIAL EQUATIONS: Mixing (Non-Reacting Fluids) I need help. Hoping easy to read and understand ACTIVITY 3 Direction: solve and analyze each of the following problem in neat and orderly manner. 1. A tank contains 200 liters of fluid in which 30 grams of salt are dissolved. Brine containing 1 gram of salt per liter is then pumped into the tank
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Question 2 Define a member operator Point operator+(const Point& p ) const that facilitates the addition of a Point object to another one. For example, if p has members x, y and z with values 1, 2, 3, respectively, and q he members x, y and z with values 3, 2, 0, respectively then the returned Point will have members x, y and z with values 4, 4,
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Mark Twain popularized the quote, "There are three kinds of lies: lies, damned lies, and statistics." Statistics can frequently be misleading in advertising and marketing.One famous example occurred when a campaign for Colgate toothpaste claimed that "80% of dentists recommend Colgate." What is likely inferred from this statement is that if given

Suppose that $1,345 is invested in a savings account with an APR of 1.25% compounded annually. What is the future value of the account in 5 years

Verify answers \f\f\fQuestion 9 Un inversionista local esta evaluatorir un "car wash" los siguientes municipios: Arroyo (A), Barceloueta (B). y. Caguas (C). La siguiente tabla presenta los posibles beneficios economicos (en miles de dolares Americanos) que tendria este inversionista en su primer ano de operar en uno de los lugares mencionados.
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A customer wants to take probes in lakes in a square plot of land. You are given the candidate locations of the probes and asked to determine whether the proposed probe locations are the lakes indeed. To classify the locations, you must train an SVM classifier using the terrain dataset that is provided to you. Introduction The plot land is square

Please helps me with this unit (have if ask more information so I can attach the rest of the pages) Chapter 3: Spatial Representation Workplace 11 3.2 Two-Dimensional Representation A view or an elevation is a flat representation of each side or face of a figure. While a view shows what the sides of an object look like, you must remember that
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1.The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' study habits and attitude toward school. The survey yields several scores, one of which measures student attitudes toward studying. The mean student attitude score for college students is about 50, and the standard deviation is about 15. A researcher
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Question 1 How many different words can be formed from these letters: YAVAVVARYY? Question 2 You toss a coin 20 times. You know that the probability of Heads is 4/11. What is the probability that you have 10 tails in the sequence? Question 3 The probability that a coin lands Heads is 0.27. You toss the coin 8 times. What is the probability that
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Question 5 Define the function int addFirst( ifstream& f), where f represents an input file object that references a file containing at least one number on every line, with cors ecutive numbers on each line separated by at least one white pace. The function should return the sum of all the first numbers on each line in the file. For example, if
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Activity 3: Age and In-Vehicle Infotainment Systems Many of the interactive information and entertainment systems turning up in newer cars may be distracting enough to increase the risk for accidents, especially for older drivers, a new AAA Foundation study finds.Researchers tested the visual and cognitive demands of infotainment systems in six

question in picture . Question 22
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could you show me the steps? thank you Problem 1. Let X and Y be two jointly distributed continuous random variables representing voltages measured in Volts at two different nodes of a circuit. X has the marginal density function: 2m+1 0
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A ecsd.desire2learn.com C N Netflix Lesson 2 Assignment - Math 10C ($2- 2022): Marco Ricioppo Revelation Online Math 10C {$2- 2022}: Marco Ricioppo ent Dropbox Quizzes Classlist Grades Discussions Help Tools " More Tools Module 4: Roots and Powers Try This 2 Module 5: Polynomials 2. Use the distributive property to determine each product. (12) a)
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You want to buy a new car. You can afford payments of $325 per month and can borrow the money at an interest rate of 3.8% compounded monthly for 3 years. How much are you able to borrow? How much interest do you pay?

According to the text, how did Best Buy's employees perform in predicting gift card sales? a. The employees' predictions were off by 7 percent. b. The employees' predictions were less accurate than those of experts. c. The employees' predictions were off by 99.5 percent. d. The employees' predictions were 1 percent off the actual sales figures. e.

1. Given that a + 1 is a factor of the polynomial function P(x) =x3 +3x2 -8x -10, algebraically determine all the zeroes of P(x), as exact values in simplest form. (3 marks) Your
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Bananas are 30 cents each A discount is applied for larger quantities: 1 dozen or more @ 28 cents each 2 dozen or more @ 26 cents each 3 dozen or more @ 24 cents each

While performing a piece of music Maggie strikes the cymbals every 2 beats and the triangle every 12 beats if she just struck both at the same time how many beats will pass before she again strikes them at the same time?

Name 4 research questions that could be addressed using a dependent samples t-test.

A movie production company is releasing a movie with the hopes of many viewers returning to see the movie in the theater for a second time. Their target is to have 30 million viewers, and they want more than 30% of the viewers to return to see the movie again. They show the movie to a test audience of 200 people, and after the movie they asked

Not rejecting a true H0 A. is a Type I error. B. is a Type II error. C. is the correct decision

Dennis is 5' 10" tall, weighs 217 pounds, and has a BMI of 30. To attain a BMI that is considered a healthy weight, what is the minimum number of pounds Dennis must lose? When performing calculations, round to the nearest whole number. a. 57 pounds b. 37 pounds c. 50 pounds d. 29 pounds e. 41 pounds

Let A(x) represent 15 as a polynomial in GF(28) and B(x) of 17. You will determine A(x)+B(x) and express it as an integer. Complete the followings to find A(x)+B(x). A(x) = [ Select ] "0*2^7+ 0*2^6+ 0*2^5+ 0*2^4+ 1*2^3+ 1*2^2+ 1*2^1+ 1*2^0 = <00001111>" "0*2^7+ 0*2^6+ 0*2^5+ 1*2^4+ 0*2^3+ 0*2^2+ 0*2^1+ 1*2^0 = <00010001>" "0*2^7+ 0*2^6+ 0*2^5+

The null hypothesis is H0: 1=2 and the alternative hypothesis is Ha: 12. The data in the accompanying table are from a simple random paired sample from the two populations under consideration. Use the pairedt-test to perform the required hypothesis test at the10% significance level. Find the test statistic. Use population 1population 2 as the
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The function - x5 +74x3 - 108x2- 433x - 252 has the graph given to the right. Use the graph to factor the polynomial. 6000- X What is the factored form of the polynomial? 10 - 8 6 -4 /2 6 8 10 fx = (x +1) (x-4)(x - 7(x+9) (Simplify your answer. Type your answer in factored form, Factor completely.) 12000
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A major airline company thinks that its proportion of late arrivals is not equal to .118 anymore. In a random sample of 1,180 airplanes, 116 airplanes arrived late. Test the airline company'sclaim. Use = 0.05 Give the hypotheses H0: H1: Calculate the test statistic (3 decimals) Formulate the decision rule for the critical value approach Reject

Question 2 (1 point) Listen Use Newton's method with initial approximation X1 = 1 to find x2, the second approximation to the root of the equation x4 - x - 2 = 0. Enter just your answer and enter as a fraction of the form a/b. Previous Page Next PageQuestion 3 (2 points) e > A car braked with a constant deceleration of 8 ft/s?, producing skid
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Wrong or Copied Solution Won't get Helpful rating. Find the general solution of this DE. ( 2xy' - 24 ) dx + ( 3x y - 4x) dy = 0
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Pharaoh Sneferu's first pyramid at Dashur must not have had help from aliens as the builder's had to change angle of the rise in order for it not to collapse under its own weight. The result was Group of answer choices The Step Pyramid The Red or North Pyramid The Bent Pyramid The Great Pyramid

The main incubation time for fertilized egg is 22 days supposed to incubation times are proximately normal distribution with a standard deviation of one day (a) determine the 13% of incubation time (b) determined the incubation time that makes up the middle 39% (a) The 13% 12 for incubation time is ____ days( round to the nearest whole number as

1. What is the difference between (fg)(x) and (gf)(x)? 2. How do you solve a quadratic equation? There are a few different methods (quadratic formula, completing the square and factoring). Give an example on each of the method with step by step instruction and how to solve.

or a direction in which we want to move. Matrix multiplication is another essential concept in linear algebra. When we multiply two matrices, the resulting matrix is determined by the dot product of the rows of the first matrix and the columns of the second matrix. Matrix multiplication is important because it allows us to perform operations on
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If the sampled population has a mean of 48 and standard deviation of 16, then the mean and the standard deviation of the sampling distribution of x for n = 100 are: A. 4 and 1 B. 12 and 16 C. 48 and 16 D. 48 and 1.6

z+w = z + w = zw = z w = zw = z w ( ) = ( w z ) = w z = , z =z, i.e. the conjugate of the conjugate of z is . z. = z =z, if and only if z is real. 2 = = z 2 =z z = z z, where z stands for the modulus of . z. = ( ) z n =( z ) n

Please do not rush, ensure that the answer is correct and answer in detail showing all work. Thank you so much for your anticipated help! 1. Determine the non-permissible values for the following expressions. a) 2p3-4p2 4x--1 16-8p C) x-20 2. Simplify the following expressions. 4+3-9t 2x2+5x a) 2+2-3t b) 4x+10 3. The area (in m?) of a rectangular
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A family has a $350000, 30 year mortgage. The interest rate is 6% compounded monthly. (A) What are the monthly payments and what will be the total amount of interest the family will pay. (B) Find the unpaid balance after 20 years
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In a recent health insurance survey, employees at a large corporation were asked, "Have you been a patient in a hospital during the past year, and if so, for what reason?" The following results were obtained:497employees had an injury,777had an illness,1,256had tests,243had an injury and an illness and tests,704had an illness and tests,503had

1. Consider the data points (2, 3), (2,1), (3, 4), and (5, 2). Find the equation of the best t line b = C + Dt. 2. What if instead, for part 2., you had found the best-t line i = C" + D'b. Is the slope D related to the slope found in 1? How would you have expected the Slopes to be related
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Answer questions 2 - 5 dealing with the life expectancy of light bulbs whose lifetimes are normally distributed with a mean life of 750 hours and with a standard deviation of 80 hours. Show or explain how you determine the appropriate z-score and related percentage. What percent of light bulbs will last longer than 870 hours? What percent of light

What is the quotient of two and two thirds divided by 3 eighths? eight thirds sixteen sixths seven and one third seven and one ninth

The surface finish is evaluated on 40 samples of magnetic tape with the results given in the table below. Based on this information, calculate the variance of the number of flaws per sample of tape. \f
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A ship leaves port at noon and travels at a bearing of 214'. The ship's average rate of speed is 15 miles per hour. Describe the location of the ship at 2:30 p.m. by writing a vector in component form. Then explain what these components mean in terms of the scenario. Drag a value into each box to correctly complete the statements. The component
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Hi, this below is the full question. it is just to show understanding of the concept. 1. (1) Pick any 5 of your favorite real numbers from the interval (0,100]. A pmf (f(x)) has the following form based on your picks {x1, X2, 23, X4, 25}, where f (20 ) = 0 0.2 X=X1, X2, 23, 24, 25; elsewhere. (i) Compute E(x) and E(x2). (ii) Use the results to
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Which one of the following statements is an example of a "negative freedom" statement? Group of answer choices "The state controls all my freedom" "Teachers have no business interfering with how I raise my children" "Subtracting five degrees of freedom from four degrees of freedom produces 'negative freedom'" "You cannot control my freedom through

Open the Excel program In our last computer assignment we learned how to find the standard normal distribution up to the given score value a, that is we found P(Z < a).We used Excel instead of the standard normal distribution table and evaluated P(Z

The weight of National Football League (NFL) players has increased steadily,gaining up to 1.5lb.per year since 1942.According to ESPN,the average weight of a NFL player is now 252.8 lb. Assume the population standard deviation is 20 lb. Ifarandom sample of 50 playersis selected, what is the probabilitythat the sample mean will be less than 250

I need help drawing a scatterplot which shows the relationship between x / y data as well as a residual plot. \f\f\f
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Sima deposited $43,000 in a 65 day time deposit compounded daily at 8.75%. Find the compound amount at the end of the 65 days. Group of answer choices $43,657.02 $43,665.20 $43,675.20 $43,657.20

Question 7 1 pts Suppose that 18 years ago, you borrowed a certain amount of money. The loan had an annual interest rate of 6.3% with continuous compounding, and today you repaid a total of $73,917. How much interest did you pay on this loan, as a percentage of how much you borrowed? For example, if you borrowed $1000 and you paid $175 in
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The bar graph shows the estimated number of calories per day needed to maintain energy balance for various gender and age groups for sedentary lifestyles. (Sedentary means a lifestyle that includes only the light physical activity associated with typical day-to-day life.) The mathematical model F = - 83x" + 654x + 621 describes the number of
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You have been hired as a consultant and have been asked to evaluate the normal management procedures on a beef cattle cow/calf operation. These are listed below. Your task is (A) for each practice tell the owners whether it is GOOD or BAD; and (B) for the ones that are BAD explain what needs to be changed. a. The operation raises bos taurus

In a recent poll, 440 people were asked if they liked dogs, and 92% said they did. Find the Margin of Error for this poll, at the 99% confidence level. Give your answer to four decimal places if possible.

Given the following code: x = 5 y = 6.6 print(x, y) z = input('Enter your name: ') What are the variable(s)? _____________________________________________________ What are the functions? _____________________________________________________ What are the arguments? _____________________________________________________ What are the literals?

John ran 3 miles in 25.5 minutes. The equation y=8.5x where x represents the number of miles and y represents the total time in minutes represents this situation what is the constant proportionately represents in the context of the problem Period Go Online You can complete your homework online. 2. John ran 3 miles in 25.5 minutes. The equation y =
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Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red background were asked to think of creative uses for a brick; other subjects with a blue background were given the same task. Responses were scored by a panel of judges and results from scores of creativity are given in the accompanying table. Higher
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1. If we change Lesley's X score to 4, which statement is true? a. Pearson r becomes larger. C b. Spearman rho becomes smaller
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Event Process Map Use the space below to work in pairs to create an event process map in the space below
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Thank you ons.pdf Open with Without actually graphing, analyze the following functions and determine if they represent a horizontal compression or stretch of the parent function f (x) = x', a vertical compression or stretch, and a horizontal or vertical reflection. Be quantitative in characterizing compressions and stretches. 15. V = (-6x) 16. v
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Find the product of 5 -4i and its conjugate. The answer is a + bi where The real number a equals The real number b equals Question Help: Message instructor Submit
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2. Es una palabra para hablar de los avances y cambios. drop or tap

481208 4 Evaluate 8 - 8 4 x ( 2 - 3 ) ( G ) 4 ( d ) 25 ( b) - 1 ( C ) 12
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Need help with this question Chapter 11: Problem 4 Previous Problem Problem List Next Problem (1 point) Use software to test the null hypothesis of whether there is a relationship between the two classifications, A and B, of the 3 x 3 contingency table shown below. Test using a = 0.01. NOTE: You may do this by hand, but it will take a bit of time.
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Consider the hypothesis statement shown below using =0.01 and the data to the right from two independent samples. H0:12=0 x1=192 x2= 220 H1:120 1=51 2=61 n1=42 n2=35 a) Calculate the appropriate test statistic and interpret the result. b) Calculate thep-value and interpret the result. a) The test statistic is? Determine the appropriate

In a study to determine whether counseling could help people lose weight, a sample of people experienced a group-based behavioral intervention, which involved weekly meetings with a trained interventionist for a period of six months. The following data are the numbers of pounds lost for 5 people 18.2, 3.9, 17.1, 8.8, 21.3 It is reasonable to

Solve using artificial variables. Maximize z= 3X, + 2x2 subject to: X1 + X2 = 80 4x, + 2x- = 130 5x, + 2x- = 250 with X, 20, X- =0 The maximum Is Z = when x , = and x2 = (Simplify your answers.)
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Consider the following question in your paper
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A regression has the question y = -0.56x + 3.27, with coefficient of determination R2 = 0.52. Find the correlation coefficient.

Assignment IC. 1 1. Create two different rational polynomial expressions with the Following constraints : . one expression is undefined when X = 4 . The other is undefined wher X = - 2 or O Then , rewrite both as equivalent expressions , with a Common denominator . 2. Use the polynomial expressions to answer the question. F 3 x + 24 G 4 x 2 4 1 6
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Write the Excel command and determine the P-value that corresponds to the given information accurate to four decimal places. a.) Right-tailed test for p, z=2.1 b.) Left-tailed test for mu, t=-1.4, n=10 c.) Two-tailed test for mu, t=-2.3, n=75 d.) Left-tailed test for p, z=-2.1 e.) Two-tailed test for p, z=1.4

A helicopter is flying with a constant horizontal velocity of 180 km/h and is directly above point A when a loose part begins to fall. The part lands 6.5 seconds later at Point B on an inclined surface. 180 km/h h A $ 10 B Determine the distance (d) between points A and B Your answer . Determine the initial height (h)
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PLEASE REPLY TO THIS POST You've gone to a fruit stand to get some fresh produce. You notice that the person in front of you gets 5 apples and 4 oranges for 10 dollars. You get 5 apples and 5 oranges for 11 dollars. What is the price of an apple and an orange? Let x = the price per apple Let y = the price per orange 5x + 4y = 10 5x + 5y = 11 Can

Please answer 9-12 9. What do the parabolas x) = 2(x + 83: l) and g(.x) = - g (x + 8)(x - l) have in common? a. They have the same y-intercept. c. They have the same x-intercepts. b. They have the same vertex. d. They both open down. Short Answer 10. Simplify - show all your steps. a) .44'216 b) [7+ JEN9 32] (4 marks) 11. For the parabola shown,
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Suppose I have a model that predicts customer interest based on a customer's age [a number]. the amount of advertising {a number} to which they haye been exposed. and in which of four geographical regions they reside. This last piece of information is a category. Please describe how we can incorporate this category into a multiple linear
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Carol has a collection of 100 stamps. The graph below shows the percentage of stamps she has from each country
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The mean SAT score in mathematics, M, is 569. The standard deviation of these scores is 39. A special preparation course claims that its graduates will score higher, on average, than the mean score 569. A random sample of 18 students completed the course, and their mean SAT score in mathematics was 576. At the 0.05 level of significance, can we

1.Consider the following fraction shown below: 3 over 5 or 3 _ 5 How many equal parts is the whole divided into? _______________________ How many of the equal parts are being counted? _______________________ 2.Which of the following fractions below are proper fractions? Also, which of those fractions are improper fractions? 3, 3 over 2, 2 over 3,

In the game of snooker, all the balls have approximately the same mass of about 0.17 kg. A white ball traveling with a speed of 3.0 m/s strikes a black ball that is at rest and follows the path shown. The black ball has a speed of 1.5 m/s immediately after the collision, 60. below the positive x-axis. O What is the speed and direction of the white
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The given set is a basis for a subspace W\". Use the Gram-Schmidt process to produce an orthonormal basis for W. 1. an H H
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Find the future value of the following ordinary annuities. Payments are made and interest is compounded as given. R=$ 5000 7 % interest compounded annually for 25 years What is the future value of the ordinaryannuity?

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