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Mathematics Questions and Answers October 04, 2021

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Question Two The amount of Sulphur dioxide in air, was measured in terms of parts per hundred million (pphm) over a period of time: 3.0. 9.7. J.0. 945. J.2. 0:6. y.6, 0,65, 2.3, 03, 17, 98, 16, 1/5, 10 Assuming that these data follow normal distribution, determine percent of time the population level would be higher than 2.5 pphm. Question Three
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a company wants to decrease their energy use by 20% in the next year. if their electric bill is currently $1800 a month, their target bill will be $1140. the same company wants to increase their use of solar panels in the next decade by 34%. if their goal is 41600 kilowatt-hours, their current usage is

write a response stating that Emerson has scored PL 1 all year according to ELS Benchmark PL Summaries this school year

Dr. Gurski is playing a dice game with her students. She tosses a fair die. If a prime number is on the top of the die that she wins that number of M&M's, but if a non-prime number appears on the top of the die, then she loses that number of M&M's. (a) What is the expected value of the game? (b) What is Var(X)? Show all your steps.

Question 1 (1 point) A salesperson receives a weekly base salary of $950. Additionally, he earns a commission of 6% on all sales over $5090 what are his gross earnings for a week where his sales are $6125? O a $1007 Ob $1317.15 O C $1250 O d $1017.50
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1.In a poll, respondents were asked if they have traveled to Europe. 68 respondents indicated that they have traveled to Europe and 124 respondents said that they have not traveled to Europe. If one of these respondents is randomly selected, what is the probability of getting someone who has traveled to Europe? I'm having a problem with

3. How many times as intense as a standard earthquake is an earthquake measuring 3.1 on the Richter scale? Explain. (1/ If
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The average income tax refund for the 2018 tax year was $2780. Assume the refund per person follows the normal probability distribution with a standard deviation of $950. What refund amount represents the 35 th percentile of tax returns?

Without the extra data value, the standard deviation is

Nick 3 12 XYZ 350.00 Utilizando el algebra de matrices: a) determina la matriz A, que representa la cantidad de horas-credito tomadas por cada estudiante; (5 puntos) b) determina la matriz B, del costo por estudiante por hora-credito; (5 puntos) c) determina el producto AB, e (5 puntos) d) interpreta el resultado. (5 puntos) 4. Se vendieron
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Find the equation of the slant asymptote of the rational function. 20' - 14x- + 72 - 27 f(z) = 2x2 - 5 The equation of the slant asymptote is y = 2c + 2
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20. Two parallel power lines carry an electrical current to the right as shown. A proton is traveling to the right with speed of2.0 x 106 m/s halfway between the power lines. What is the magnetic force produced by the power lines on this proton? .ip proton . 3.8 x 1019 N; up - 4.0 x 10-19 N; nto the page 3.8 x 10-19 N; down 1.3 x 1019 N; down 1.3
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The bar on the left is broken into ten parts. 3 parts = __________ (fraction) = __________ (decimal) = __________ (percent) 8 parts = __________ (fraction) = __________ (decimal) = __________ (percent)

(a) If you roll a single die and count the number of dots on top, what is the sample space of all possible outcomes? Are the outcomes equally likely? 0, 1, 2, 3, 4, 5, 6; equally likely 0, 1, 2, 3, 4, 5, 6; not equally likely 1, 2, 3, 4, 5, 6; equally likely 1, 2, 3, 4, 5, 6; not equally likely (b) Assign probabilities to the outcomes of the

An auto shop has two mechanics. They charge a combined rate of $130 per hour. On their most recent car, the first mechanic Worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2325

Eddy makes fixed end of year payments into a fund that earns at an annual rate of r. He determines that the accumulation at the end of 20 years will be triple the accumulation at the end of 10 years. Find r.

As you drag point A on the graph, the applet shows the instantaneous rate of change at different points. What is the average rate of change from (60, 50) to (70, 40)? What is the contextual interpretation of this rate? a. The average rate of change is 1. It implies that when the retail price increases from $60 to $70, the company's monthly sales

A survey was given to one hundred people asking whether they watch movies at home through Netflix or Amazon Prime. The results show 85 people watch movies at home through Netflix, 70 people watch movies at home through Amazon Prime, and 60 people watch movies at home through both services. How many people watch movies at home through either

Struggling with this problem, Need some help analyzing this harmonic motion graph. Please provide clear explanations. I'm confused because neither curve starts at 0 to determine period. \f\f
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2. Trisha and Byron are washing and vacuuming cars to raise money for a class trip. Trisha raised $38 washing 5 cars and vacuuming 4 cars. Byron raised $28 by washing 4 cars and vacuuming 2 cars. Find the amount they charged to wash a car and vacuum a car
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Problem 16-11 (Algorithmic) In preparing for the upcoming holiday season, Fresh Toy Company (FTC) designed a new doll called The Dougie that teaches children how to dance. The fixed cost to produce the doll is $100,000. The variable cost, which includes material, labor, and shipping costs, is $34 per doll. During the holiday selling season, FTC

According to a poll conducted by the Gallup Corporation in March 2011, the metropolitan areas with the highest and lowest proportions of obese adults were Evansville, IN-KY, and Boulder, CO, respectively. In Evansville, for every 311 people who were not obese, there were 189 who were. In Boulder, for every 16 obese people, there were 109 who were
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Help me please with solution and clear explanation Content Standard: The learner demonstrates understanding of key concepts of sets and real number system Performance Standard: The Learner is able to formulate challenging situation involving sets and real numbers and solve those in a variety of strategies, Most Essential Learning Competencies: The
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Use this sign convention for your values: items that add to the amount of positive (+) and items that subtract from the contingency reserve should be r sign for each line item below. Hint: the probability of a positive outcome is subtract from the amount needed in the contingency reserve. Project information Contingend calculation You have
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List a MINIMUM of 4 pieces of evidence discussed in the article that are direct
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Question 9:Please answer A through D completely No swirls or cursive when writing Xs and 2sClearly label and box answer pleaseThis is also timed if x 0 a. f( - 4) = (Simplify your answer. Type an exact answer, using radicals as needed.) f(0) = (Simplify your answer. Type an exact answer, using radicals as needed.) f(7 ) = (Simplify your answer.
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Consider the first order ODE. Solve the initial value problem. w'=e^-t * w^2 ; w(0)=2 where w is the dependent variable which is a function of the independent variable t. Be sure to calculate the interval of existence for the solution and provide the interval with your solution.

1. Which of the following best describes the true nature of mathematics? (a) Mathematics consists of doing arithmetic operations and calculations. (b) Mathematics sheds light to the nature of reality. (c) Mathematics is the study of patterns and relationships. (d) Mathematics is the study of the universe. 2. By ignoring the colors, which of the
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b. Assume that it is now possible to estimate a probability of 0.7 that good economic condition will exist and a probability of 0.3 that poor condition will exist. i) Determine the best decision by using expected monetary value (EMV). ii) Determine the best decision by using expected opportunity loss (EOL)

Solve kindly Moi University School of Public health Date: November 24 2010, 1400hrs - 1600hr PBS 801: Basic Biostatistics, Continuous Assessment Test. 2 hours General Instructions: Attempt ALL Questions: Section A: MCQ. There are THREE (3) Questions in this section. ANSWER ALL QUESTIONS For each of the options, answer True (T) or False (F) Q1. The
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A pilaster is Group of answer choices a longtitudinal building with an apse on one end a long series of columns a triangular component that sits atop a columned porch the main north-south street in a Roman city a flat , rectangular vertical projection from a wall open area at the center of a Roman town

(1 point) The following data represents the winning percentage (the number of wins out of 162 games in a season) as well as the teams Earned Run Average, or ERA. The ERA is a pitching statistic. The lower the ERA, the less runs an opponent will score per game. Smaller ERA's reflect (i) a good pitching staff and (ii) a good team defense. You are to

Use the Master method rules to solve the following recurrences. For each recurrence, show that if the recurrence can be solved using the Master method, show which case it belongs to and then give the solution of the recurrence a) T(n) = 6T(n/3) + n2log n b) T(n) = T(n/2) + 2n c) T(n) = 4T(n/2) + n/log n

According to a certain government agency for a large country, the proportion of fatal traffic accidents in the country in which the driver had a positive blood alcohol concentration (BAC) is 0.37. Suppose a random sample of 114 traffic fatalities in a certain region results in 53 that involved a positive BAC. Does the sample evidence suggest that

How can one be certain in their decisions as it pertains to rejecting or failing to reject.

Latvija razotus dargmetalu izstradajumus var pazit pec ipasas zimes ar attelu un skaitli, ko saucpar provi jeb raudzi. Uz zelta rotaslietam proves parasti ir 585, retak - 750. 585 Ko nozime prove? Vienas celmetala kedites masa ir 5,6 grami, tas prove ir 583, bet otras kedites masa ir 8 grami, prove ir 500. Salidzini kedites pec zelta masas!

hacer, lavar, limpiar, olvidar, pasar, poner (x2), sacudir, Modelo Ves: tirar Escribes: Carlos, Example answertiraEnd example answer la botella al bote de reciclaje, no la Example answertiresEnd example answer a la basura. Question 1 with 3 blanks Despus de desayunar, 1 of 3 tu taza y tu plato en el lavaplatos. Si no tienes lavaplatos, no 2 of 3

17.As a Tanday scholars analyst your job is to ensure that there is no racial bias in the awarding of scholarships.Use the following data to determine if racial group is independent of whether the scholarship application is funded or not. Set alpha = .05 CaucasianBlackHispanic Funded Scholarship1023 Unfunded Scholarship 3102 Step 1 :State the null

NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) - -4.9t - 226t | 248. (A) Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? (Round answer to 2 decimal places) The rocket splashes down after seconds. (B) How high above sea-level does
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As mentioned, Crispe Cookies' demand especially rises during the Easter period, the festive season, and other holidays, and this has given the company a chance to come up with new products relevant to the occasion. Crispe Cookies finds it necessary to hold inventory, especially with the raw ingredients of their products and pre-prepared
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This problem is hard............................................................? 15. an, mo Let t: P\" 1+199994'\" be the population of a bacteria colonyr at time t hours. Find The initial population ofthc bacteria The population ofthc bacteria colony after 10 hours The growth ratc of the bacteria acr I'D hours What happens to the bacteria
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Consider the random variable, X, whose probabilities are given in this table. X P(X) 0 0.2373 1 0.3955 2 0.2637 3 0.0879 4 0.0146 5 0.0010 What is the standard deviation of this probability distribution?Round to the nearest thousandth (three decimal places), if needed.

Consider the following problem in which you are asked to solve for "x." 2/3(x-3) = 1/2(x+12) 1-What are your initial thoughts? Do you know where to begin? Have you seen this sort of problem before? 2-Begin to solve the problem on scratch paper. 3-What step are you going to take first? 4-Continue working through the problem, pausing at each step to

A hotel manager found that his gross receipts for the day,including a 7% sales tax, were $5149.91. Find the amount of sale tax collected?

PROBLEM 4 / Question 6 (2 points): 70% of all art pieces auctioned by Sotheby's in Japan are Japanese art. A random sample of 100 art pieces auctioned there is selected. What is the probability that at least 80% of these pieces are Japanese art? a) 0.0146 b) 0.9854 c) 0.0062 d) None of the above

I just need answers for these question no explanation needed A.) The container of a breakfast cereal ususally lists the number of calories and the amounts of protein, carbohydrate, and fat contained in one serving of the cereal. The amounts for two cereals are given in the data table. Suppose a mixture of these two cereals is to be prepared that
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In this question you will implement linear basis function regression with polynomial and Gaussian basis flmctions. You will need the code and data in the folder \"polynomial\". Start by downloading the code and dataset from UMLearn. The dataset is the AutoMPG dataset from the UCI repository. The task is to predict fuel efficiency (miles per
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I need help with this: Question 7 Suppose that B = {V1, V2, V3} is a basis for IR3 , where -4 point V1 = , and V3 = 2 -20 Let V = 5 be a vector in IR3 . Find the coordinate vector of v with respect to B. You may find the following reduction useful. -4 -4 20 2 -4 -20 2 The matrix 1 1 2 5 , by Maple, is reduced to 0 1 0 2 0 0 0 -14 -14 3 Enter your
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Label the following variables as discrete or continuous: # of complete invoices paid for the month # sales orders taken for the month ROI on machinery that was purchased last month # of employees that participate in 401k Employee satisfaction scores Revenue received in fy 16 The time it takes for a customer to receive their food at a fast food

1. Suppose m, nE Z, the residue of I modulo 6 is 2, and the residue of n modulo 6 is 3 . Find the residue of ( a ) mar ( b) man ( c)mn modulo 6. First, complete the definition: We say that the residue of in modulo 6 is 2 if Write a complete proof in each of the questions las, (es, and les
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Find the slope of the line containing the points (3,4) and (5,8) The slope of the line containing the points (3,4) and (5,8) is (Type an integer or a simplified fraction.)
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Graphs are used in various aspects of our lives to help visualize data and make informed decisions. For the home I can speak on budgeting, creating a budgeting graph to track monthly expenses and income. Also in the home with energy consumption, Using graphs to monitor energy usage overtime and identify patterns to reduce cost. Overall graphs are

A basketball player makes a successful three point shot 32% of the time. Assume that each shot is independent of the others. If he or she shoot 8 times, what is the probability that they get at exactly 4 three pointers?

1. La tabla A representa el costo de las togas y birretes del coro de una universidad de acuerdo con el tamano para hombres y mujeres. La tabla B representa el costo de las togas de acuerdo con el tamano. Tabla A Hombre Mujeres S Pequeno 10 24 Mediano 22 10 Grande 33 3 Tabla B Pequeno Mediano Grande Togas 45 50 55 Birretes 20 20 20 Aplica los
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(c) (3 points) Find day if 9x2 + y2 = 9. Your expression should be written only in terms of x and y - da 2 beyond that it does not need to be simplified. (Recall day is the Leibniz notation for y" (x)). da- 2 Hint: It may be easier to simplify dac dy before finding day do 2
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Choose the appropriate transition to fill in the blank in the passage. Then click on the letter of your choice. Question 9. (1) A major trend in education has been the return of adults to the classroom. (2) One type of nontraditional student is the adult worker seeking to advance in a job or retrain for a new career. (3) _____ type is the

Sierpinski's triangle is formed in this way. Figure 0 Figure 1 Figure 2 Each time, one-quarter of the shaded area is removed. Assume Figure 0 has area 48 m . a) Determine a function that models the shaded area, A square metres, of Figure n

What is the concern if the area of interest is narrowed too specifically

In solving a system of equations, we define x and y to be "the cost of...." why

(5) (20pts) Show that 2" = inf (2" : q E Q.q > x}. 'Proof must be based on our version of defining a ; using wrong definition will earn no credit)
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Jake needs to score in the top 10% in order to earn a physical fitness certificate. The class mean is 78 and the standard deviation is 5.5. What raw score does he need? I need step by step how to calculate this

Pay attention in the sketch below to how the workpiece is positioned relative to the MRZ and where the PRZ is located. The tool length offset is determined with the touch-off method. The distance from the tool tip to the PRZ is 7.5219 inches. The work offsets are determined with the edge finder that has tip 0.2 inches in diameter. The

3. How has Stew Leonard's applied the concepts of customer equity and customer lifetime value? Discuss. (10 marks)
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2. A curve is defined by the parametric equations x(t) = cos 2 du, y(t) = sin du. o 2 (a) Graph this curve. What happens as t -+ co and as t -> -co? (b) Find the length of the curve from the origin to the point with parameter value t
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a) Determine whether the following data set is a population or a sample i. GPA of all UHCL students. ii. The price per gallon of regular gasoline at 800 stations. iii. The age of each state governor. b) Determine whether the data are qualitative or quantitative i. Social security number of the employees at an accounting firm. ii. The telephone
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H0: p1= 0.3, p2= 0.4, p3= 0.3 Ha: At least one piis not as specified in the null Data were collected from a representative sample of 100 cases. Given the hypotheses above, compute the expected count for group 1.

I have an hour 5.4.PS-12 Question Help Trains Two trains, Train A and Train B, weigh a total of 371 tons. Train A is heavier than Train B The difference of their weights is 229 tons. What is the weight of each train? Train A weighs 142 tons. Enter your answer in the answer box and then click Check Answer. part
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1. Use the transition matrix P and initial state matrix Xo to find the state vectors X1, X2 and X3 : 0.8 0.25 P = 0.2 0.75 " - [03 ] Find the steady state vector. 2. Students in a gym class have a choice of swimming or playing basketball each day. 25% of the students who swim one day will swim next day. 40% of the students who play basketball one
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(a) Convert 0.1 meters ( m ) to dekameters ( dam ). dam (b) Convert 3.67 hectometers ( hm ) to meters ( m ). m

The y-intercept of the graph y=abx, where a > 0, b > 0 and b 1, is a. dependant on the value of a b. 1 c. 0 d. dependant on the value of b

3. Following entities keep track of Sales information: Primary keys have been underlined. Salesman (sid: integer, sname: string, scity: string, commission: real) Customer (cid: integer, cname: string, ccity: string) Orders (ono: integer, purchase_amt: real, order_date: date, cid: integer, sid: integer) By referring to the schema given above write
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Consider the experiment of rolling two dice and adding the numbers obtained to get total score. (a) Calculate the possible values which this total will take and their corresponding probabilities. (b) What is the probability of obtaining a score of at least 3? In a group of 850 first and second year university students, 500 of them take medicine d
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Carmen must choose a size, a flavor of ice cream, and a topping for her ice cream dessert. There are three sizes to choose from: small, medium, and large. There are two flavors to choose from: chocolate and strawberry. There are two toppings to choose from: cherries and nuts. The tree diagram below shows the possible outcomes. Use the diagram to
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1 Considered the are of a trapezoid is 50 sqm and the height is describe by a number. bases are defined as five more than twice a number and 3 more than a number . find the aprrocimate foot using false position method with stopping criterion of 0.01

Time Left:2:51:45 Zeeya Ali: Attempt 1 Question 11 (1 point) A ball is thrown into the air, from the balcony of an apartment building and falls to the ground. The equation h(t) = -4.9t+ 9.1t+ 27.9 gives the height (h) of the ball in meters, relative to the time (t) in seconds that it is in the air. Determine the height, in meters, of the balcony.
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For the composite function, identify an inside function and an outside function and write the derivative with respect to x of the composite function. (The function is of the form f(x) = g(h(x)). Use non-identity functions for g(h) and h(x).) f(x) = 6(3x2 + 9) { {g(h), h(x)} Your answer cannot be understood or graded. More Information } X [} f'(x)
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Factor out the Greatest Common Factor: 16a 4 40a 7 Question 7 Select one: a. 8a 4 ( 2 5a 3 ) b. 16a 4 ( 1 5a 3 ) c. 8a 4 ( 2a 5a 2 ) d. 8a 4 ( 2a 3a 3 )

a) There are 12 people at a party. To run smoothly, there must be 1 cook, 1 dishwasher, 1 server, 1 hostess, and 1 bartender. In how many ways can these jobs be assigned? b) What is the probability that you will be the hostess and your bestfriend will be the cook

2. (3 marks) (a) (1 mark) Show that the set V = {v1, v2}, where 01 = U2 = 4 forms an orthonormal basis for R2. (b) (1 mark) Calculate the inner products (v1, x) and ( v2, x) where x = 2 (c) (1 mark) Use point (b) to calculate the coordinates (x]v
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For three months, Matt and Emily have been on a zero-based budget. It hasn't balanced yet. Dave says it takes three months, but they're discouraged. Emily prepares it and Matt gives input. But they always blow itusually in eating out,entertainment or the recreation amount. They come to you for help. They think the problem isn't the numbers, but

Answer the following questions concise 1 What is the most important lesson t Module ? 2 What about the current the Philippines? How does this anfe community ? 3 .As an 3 stud nt what can you do crisis in hunger and nutrition that
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Please help with the following: [3 pts] Suppose a 95 % confidence interval is found to be (18, 33.7). What is the margin of error for this interval? O 15.7 O 51.7 O 25.85 0 7.85
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sophomore retention rate for public colleges. D. There is 95% confidence that the true freshman-to-sophomore retention rate of public colleges is in the interval (68.0%, 75.8%) E. If many random samples are selected, each sample with 505 public college freshmen, 95% of the sample freshman-to-sophomore retention rates will be in the interval(,680,
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From Chapter 5 and 6: In a spreadsheet, what is an example of a function with properly separated arguments? Choose one 1 point =sum(1:2:3:4:5:6:7:8) =sum(1-2-3-4-5-6-7-8) =sum(1*2*3*4*5*6*7*8) =sum(1,2,3,4,5,6,7,8) =sum:1,2,3,4,5,6,7,8 =sum(1:8) =sum($1,$2,$3,$4,$5,$6,$7,$8) None of the above

please let me know if I got the break even correct. 6. A small fast-food restaurant invests $10,000 to produce a new food item that will sell for $3.99. Each item can be produced for $1.90. a) How many items must be sold to break even? b) How many items must be sold to mak 10, 000 / 3. 99 a profit of $12,000? 2507 items
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can you solve this detailed. i am getting error mismatch with given solution \f
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Shade the Venn Diagram for the set (CnB') UA Use the graphing tool to shade the regions. Click to enlarge graph C\fLet A and B be independent events with P(A) = _ and P(B) = -. Find P(An B) and P(A U B). . . . P(An B) =
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-The test statistic for this hypothesis test is -TheP-value for this hypothesis test is -Identify the conclusion for this hypothesis test a- Reject H0. There sufficient evidence to warrant support b- Failtoreject H0. There sufficient evidence to warrant support c-Reject H0. There insufficient evidence to warrant support d-Fail to reject H0. There
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El viernes los corredores de bolsa de Wall Street esperaban ansiosos la publicacin del gobierno federal del aumento en enero de nminas no agrcolas. El primer consenso estimado entre los economistas fue que se esperaba un aumento de 250 000 nuevos empleos (CNBC, 3 de febrero de 2006). Sin embargo, en una muestra de 20 economistas tomada el jueves

Let x be a number. Translate the following English phrase into a mathematical expression. Then evaluate the expression for x=3. 4 more than the product of 3 and the number

section 4 of my practice book has me confused. i used statdisk but failed. explain the steps please For #7, 9, 10, please determine of a probability distribution is given. If there is a probability distribution being given, then find the mean and standard deviation. Otherwise, if there is not a probability distribution being given, then please
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Please help with the following: [9 pts total] You measure 5D textbooks weights, and find they have a mean weight of T1 ounces. Assume the population standard deviation is 4.5 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Round your answers to 3 decimal places if needed. Confidence
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1 2 1 1 1 1. Consider A = 1 : 3 0 21 1 1 2 0 2 (a) (5 pts) Find rank A. (b) (5pts) Find a basis for Row A. (c) (5 pts) Find a basis for Col A. (d) (5 pts) Find a basis for Nul A
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1.For each of the following functions, state the value for a, h, k, the axis of symmetry, and direction of opening of the parabola. what is the axis of symmetry for each a.y = 0.25(x - 8) 2 - 1.2 b.y = -6(x + 3) 2 + 2 c.y = (x + 12) 2 - 34 d.y = -5(x - 5) 2 + 5

This is my idea of my DOE project, can you advice on the variables..per how many runs I should be using variables: clothes dryer (A,B), temperature setting, load responses: time until dryer stops I await

Consider the given function to determine its inverse function. Then draw its graph and that of its inverse on the same coordinate plane. Present the Domain and Scope sets for each of them. A. f(x) = 1-x-1 B.g(x) = 4-x + 22 wen x >=-2

How often should radiographs be taken of the mandibular anterior region? Group of answer choices Every 3 months Depends on the signs and symptoms at the time of assessment Every 6 months Once every 24 to 36 months Once a year

You own a coffee shop in Tampa and will sell 1 cup of coffee for $8. Your daily xed cost is $195 and the variable cost (0051 of making 1 cup of coffee) is $1.5 per cup. How many cups of coffee do you need to sell to break even each day? Note: input your answer as numreical value only. Round your answer to the nearest integer. [E J' & Moving to
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Evaluating Rational Functions Determine the following. Be sure to check your answers with the calculator. 6 Let f(I) C- 4 Evaluate f(6): f (6) Determine I when f(x) - 3 Let h(x) 5 + 6 Evaluate h( - 4): h( - 4) Determine I when h(2) - 2 t + 32 Let p(t) 38 - 5t Evaluate p(6): P(6) Determine t when p(t) - 2 t
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It is estimated that, during the past year,27 % of all adults visited a therapist and43 % of all adults used non-prescription antidepressants. It is also estimated that20% of all adults both visited a therapist and used a non-prescription antidepressant during the past year. Answer the questions below. (a)What is the probability that an adult

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