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Mathematics Questions and Answers April 16, 2023

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True or False? In the coordinate plane, the vertices of triangle RST are R (6,- 1), S (1, -4), and T (-5, 6). A student claims that if he plots point P (1, 8), he will end up creating a rectangle. Is his claim true or false? Explain your reasoning. YA of -10 -9 - 8 -7 -6 1 2 3 10 X 10
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Referring to the second equation, we can easily sample image xt from a normal distribution as: x, = \\/1 , x,_1 + Ea ...(3) ;where 6 ~ N(0,I) 1. Here, the epsilon s is the "noise\" term that is randomly sampled from the standard gaussian distribution and is rst scaled and then added (scaled) X(t_1). 2. In this way, starting from x0, the original
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(30 pts) If we let A be the matrix 1 2 3 11 1 4 0 1 2 0 2 3 0 1 I 0 0 0 0 find bases for the image of A, the kernel of A and the row space of A. Verify the rank nullity theorem in this case. . Given matrix A : 12 3' A= 1 4 O 1 2 O O 0 finding the PREF . AReduced Row Echelon form) of A. performing now operations to transform A into its reduced row
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'2. [20 pt] Solve the differential equation: 2:12:34 m+3 3%] = Identify the type of the equatinn and clearly ehew all steps; in solving it. 3. (30 pt) Consider the differential equation dy it # +1 a. Determine all equilibrium solutions, i.e. solutions of the form y(f) = (, where O is a constant. b. Sketch by hand the direction field for f > 0. c.
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Please show me how to solve this problem, I have tried, but I am not getting the correct answers. If someone can show me step by step to get the corrrect the answer so I will know for future test reference that will be great. Thank you. A survey conducted at a mIdwestern unIversIIy and Involvlng 1,500 sludents round Ihat 68% had taken out a
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The ________ is a shape used to model the earth that is a smooth surface, but not a perfect sphere. Instead, it is a flattened sphere that is wider than it is tall (its equatorial radius is greater than its polar radius). Question 17 options: Semi-Major Cylinder Conical Cylinder Ellipsoid Planar Cylinder Prismatic Cylinder Trapezoid

Si las tasas de inters __________ de los activos denominados en moneda nacional aumentan, el EMA o Teora del Mercado de Activos Financieros, sostiene que la demanda de moneda extranjera que se necesita para comprar activos financieros denominados en una divisa, provocar que el tipo de cambio de la moneda local con respecto a la extranjera se

The average height of all 23 students in a class is 132.5 cm. The average height of the 14 boys in the class is 135.2 cm. What is the average height of the girls in the class? (A) 129.1 cm (B) 128.6 cm (C) 129.8 cm (D) 127.9 cm (E) 128.3 cm

For each of the following statements, indicate whether the statement is true or false and justify your answer with a proof or a counterexample. (a) Let R be a ring and let p R be prime. If x, y R satisfy p = xy, then exactly one of x or y is a unit. (b) If a and b are integers and d is a common divisor of a and b, then d aZ + bZ. (c) Let a Z. If a

A function is modeled by the equation 5x - 3y = 15. State the domain of the function. - < y < - < x < 0 y 5 0 x 3

Please help me answer these questions QUESTION 1 Equation of a line in 3D Space Choose one . 5 points Write the equation of a line passing through the point So-(2,4,3) and parallel to u=(1,3,5) O 0 = 2+t y =4+ 3tt ( R* 2 = 3+ 5t O 0 =2+t y = 4+ 3t, t > 0 2 = 3+ 5t O 1= 2+t y = 4+3t, 0 0 z = 5+t O I = 2+ 4t y =2- 3t 0 0 2=3+tV QUESTION 5
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Shellbags son un conjunto de claves de registro que recuerdan el tamao y la ubicacin de las carpetas y bibliotecas a las que el usuario accedi a travs de la GUI. Grupo de opciones de respuesta Verdadero Falso

To compare two programs for training industrial workers to perform a skilled job, 20 workers are included in an experiment. Of these, 10 are selected at random and trained by method 1; the remaining 10 are trained by method 2. After completion of training, all the workers are subjected to a time-and-motion test that records the speed of

An on-line retailing firm conducts a study into the number of on-line purchases of footwear made during all of last year. The study wants to determine the proportion of Australians over the age of 25 who purchase footwear on-line. The managing director of the on-line retailing firm believes this proportion of Australians is 31%. A random sample of

P2) Let G be a d-regular bipartite graph on vertex set A x B with A| = B . This means every vertex (in both A and B) has degree d. Prove that G has a perfect matching. Hint: count in two ways the number of edges between S and N(S).]
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All of the knobs and levers on the headstock of a manual lathe are used for: a. changing the feed rates and or the spindle speed by switching gears. b. making it fully CNC without using a computer. c. selecting the material you are using . d. All of the above

Michaela buys a new car for $ 31 , 600 . The simple interest rate is 5.6 % and the amount of loan (plus simple interest) is repayable in 6 years. What is the total amount that must be repaid? Round your answer to the nearest dollar and do not round until the final

The following is/are important guidelines for making telephone calls on behalf of the firm: Question 23 options: a) Make sure that you have the correct phone number; b) If the call will take more than a few minutes, ask if this is a good time to call; c) Anticipate questions or objections; d) ."a" & "c" only; e) All of the above

Solve these derivatives. All the information is provided. Question B A cylinder has a volume of 200m. What dimensions will provide a minimum surface area? Make sure you include any restrictions that may apply. Round to the nearest tenth
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Would an observational study or an experiment be more appropriate to investigate the effects on humans of a substance known to be toxic? Explain.

Question 4 Silver Ltd expects to pay no dividends for the next four years. It has projected a growth rate of 35 percent for the next four years. After four years, the company will grow at a constant rate of 6 percent. Its rst dividend to be paid in year 5 will be worth $4.25. If your required rate of return is 20 percent, what is the share worth
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how to use the simpson's rule to approximate the probability Use the Simpson's Rule program In Appendix E With n = 6 to approximate the indicated normal probability. The standard normal probability density function is x2/2_ 1 x) - $5 b Ifx is chosen at random from a population With this density, then the probability that x lies in the interval [3,
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Exercise. Suppose that {a }=o is a geometric series, part of which is shown below: 5 __+___ _+i 9 27 81 WIUI Write the series in summation notation with the lower index starting at k = 0: f: 5/3A(k+1) a k=D Exercise. Select all of the following series that are geometric: .1: 2:1 E 5 22:1 F ? Check work Exercise. Consider the geometric series:
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Pregunta #3 Comparacin de texto- 35 minutos Analiza como la obra "El hijo" representa las caractersticas de la prosa y el contexto histrico del realismo/naturalismo. En tu ensayo debes comentar los recursos literarios de la obra. Debes de incluir ejemplos del texto que apoyen tus ideas. Es un poderoso da de verano en Misiones, con todo el sol, el

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Please answer all the questions in Tasks under BLOCKs . I will use that information to make videos, , each demonstrating one complete (full 45 mins) group exercise session BLOCK 2: PLAN GROUP EXERCISE SESSION What You Need for Block 2 This workbook Three (3) groups of AT LEAST six (6) individuals as outlined below: One (1) group of predominantly

TRUE OR FALSE? AT WHAT P- VALUE WILL THE NULL- HYPOTHESIS BE REJECTED? 14 . Given a sample with n = 100, H 0 : m = 500, H A : m 500, and a = 0.05, the null hypothesis can be rejected if and only if z 1.645 or z -1.645. 15. In problem 14, if x-bar = 505 and s = 20, the null hypothesis cannot be rejected with p = 0.062

2. Sketch the graph of f' given the graph of f. Explain how you found your answer.(5 points) shutterstock.com - 1218965347 3. Find the average rate of change of the function f(x) = sin x, [0, m/6] over the given interval. Compare this average rate of change with the instantaneous rates of change at the endpoints of the interval. (5 points) 4.
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ecuaciones diferenciales En los ejercicios 1-26 obtengase la solucion general. 1. (4 + x) 1' = 13. SOL. 212 In [c (4 + x) ] = -1. 2. exp (12 ) dx + xy dy = 0. SOL. x exp (-92) + 2 = cx. 3. cos x cos y dx + sen x sen y dy = 0. SOL. sen x = c cos y. 4. 3y dx = 2x dy. SOL. x3 = cy2
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John has the phone numbers of many young ladies. Some of these young ladies are blonde and others are brunettes. In addition, John knows that some are single while others have boyfriends. The exact breakdown is as follows:BlondeBrunetteSingle1512Taken1018 Find the following probabilities: Q10: What is the probability of selecting someone who is

Question 3 Socially responsible leaders - Social Responsibility (10 marks) (Max. 200 words) Question: What is the connection between ethical leadership and social responsibility? In your response consider the roles of ethical responsibility and social justice. (10 marks)
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4. If viewed as a vertical stretch, write the equation of the graphs in the quadrants indicated: 0#1: Q#2: Q#3: 0#4: MPC30 Hand-in 2.1 v2019.1 Your submission must be in pdf format. Submit multiple pages merged into a single pdf file Page1
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The area of a sector of the circle with an arc measure of 45 and with a radius of 4 is A. 16x B. 8x C. 2x D. 2 45 4 O
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BUS 771 Dr. Carol Stockman NAME: Unit 7 Homework 1. The U.S. Department of Energy's Fuel Economy Guide provides fuel efficiency data for cars and trucks, A portion of the data for 311 compact, midsized, and large cars is contained in the file fueldata,xlsx which you can download from the class D2L shell. The dataset contains the following
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Consider the following. Flight Price Hotel Price Rental Price 734.20 CORAL REEF Omala US $21.99 /Day (US Dollars) 247 Roams / 15 Floors USD 70.00 - USD 150.00" US $23.99 /Day 816.20 WAIKIKI BEACHCOMBER BUCKS US $24.99 / Day (US Dollars) 500 Rooms USD 105.00 - USD 495,00" US $26.99 /Day 837.20 RADISSON ALA MOANA US $31.98 /Day (US Dollars) 1168
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3196515741 FORUM DESCRIPTION Without actually solving the equation, find two numbers between which the solution of 9% = 20 must lie. Do the same for 9* = 100. Explain how you reached your conclusions
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Researchers are interested in determining if a new diet program is effective at helping people lose weight.In a pilot study, the researchers collect a random sample of 10 subjects and measure their weight before beginning the diet, then again after one month on the diet program. Data The following table summarizes the information collected:

Sketch the graph of the function by first making a table of values. (If an answer is undefined, enter UNDEFINED.) o) == 1 2 L 4 R pae e @ Sketch the graph. 25 20 10 15 10 5 -10 _ % -20 23 20 20 10 13 10 3 =3 -2 =1 1 2 3 Need Help? |[[inssas Evaluate the function at the indicated values. (If an answer is undefined, enter UNDEFINED. )} fix) =2 =73
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@ Activity 1 2. Use the Translations Mat located on page 27 for this exploration. a) Use a straightedge to trace the trapezoid onto the shiny side of a sheet of patty paper. b) Slide the patty paper containing the trapezoid to align AB with one of the segments A'D.. \\ c) Record the location of the image of Trapezoid ABCD on the mat. To transfer
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Biased DO YOU BELIEVE THAT CURRENT POPULAR MUSIC IS BETTER, WORSE, OR ABOUT THE SAME QUALITY AS POPULAR MUSIC FROM 20 YEARS AGO? DO YOU ENJOY THE WORK OF SUCH LITERARY GIANTS AS WILLIAM SHAKESPEARE? DO YOU THINK PEOPLE BENEFIT FROM TAKING OVERPRICED DIET SUPPLEMENTS? RESEARCH HAS LINKED CARBON EMISSIONS TO GLOBAL WARMING. DO YOU THINK THE US

(5 points) Consider the initial value problem dy dx = x2 - 2y, y(2) = 3. Use the Improved Euler's Method (also called Heun's Method) to approximate a solution to the initial value problem using step size h = 1 on the interval [2,4] (i.e., only compute y, and y2). Do your work by hand, and show all work
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Please edit this lesson review for recurrence relations. Please be paraphrased by a human and make it a little bit more advanced for me Recurrence relations Lesson Review Module Learning Objectives I certify that I achieved the following learning objectives for the module: 1. Find the elements of a sequence given in closed form or in recurrence
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Use excel faster on a freeway than on the scenic route between these two cities. a' hl e, d' Example 2. You want to drive from Peach Town to Rivcrside;];f' "you can travel 35 mph , find the ratio of how fast you could travel Set up a function for the ratio of the speed limit on the freeway to the speed limit on the scenic route. A 'What type of
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The following table includes values from two functions. X: -4, -1, 0, 2, 3, 5 f(x): 1, 0, -3, -1, 6, 10 g(x): -3, 2, 5, 0, 2, 7 Over which intervals is f(x)=g(x). Explain your answer.

15. Elaborar la tabla de fondo de amortizacion que se usara para reponer un equipo industrial de una fabrica, se estima que en cinco anos ese equipo valdra un millon cuatrocientos ochenta y siete mil setecientos cincuenta y cinco dolares y para ello se comenzara a hacer depositos semestrales a partir de hov en una centa que paga el
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Esta es la fuerza que mueve el desarrollo Que est utilizando un existente esquema para hacer frente a un nuevo objeto o situacin fundamental para el desarrollo cognitivo Esto sucede cuando el esquema existente (conocimiento) no funciona y necesita ser cambiado para lidiar con un nuevo objeto o situacin conceptos de asimilacion acomodacion y

The CAST rule states that all values are positive for which of the following trigonometric functions of any angle in the second quadrant? A. Sine. B. Cosine. C. Tangent. D. All of sine, cosine and tangent

The acceleration of a particular sports car is proportional to the difference between 280 km/h and the velocity of this sports car. If this machine can accelerate from rest to 105 km/h in 9 5, how long will it take for the car to accelerate from rest to 210 kmlh
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a) Solve the quadratic equation: The length of a color photo is 2 inches more than the width. If the area is 24 square inches, what are the Length and width? b) Solve using the quadratic formula: The equation = 0. 0075 2 0. 2676 + 14. 8 models the fuel efficiency, E, of passenger cars in miles per gallon, x years after 1940. Environmentalists

speed distance and time

If .s' and t are parallel lines and the measure of 4f is 57, and the measure of 4a is 54, determine the measure of each of the following angles. m4b=7 m46=7 m4d=7 me= m4g=
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Fill in the blanks with the appropriate form of the verbs from the list. Make sure you conjugate the verb in the correct tense for each sentence. Si yo trabajaba de noche, 1 of 1 al medioda. Question 2 with 1 blank Si ustedes 1 of 1 de excursin a las montaas, pnganse abrigos y botas. Question 3 with 1 blank Si 1 of 1 ms temprano, te levantaras de

My question is Exercise 4.17 in the image attached. The question pertains to construction of smooth cut-off function that has some special properties. It is from the book Ordinary Differential Equations with Applications by Chicone. Thanks for any help! #advancedmath#ODEs#mollification#functions Exercise 4.17. Prove that for each r > 0 there is a
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Which of the following statements is FALSE regarding the Great Zimbabwe? a.) The stone walls contained mortar. b.) The stone walls take the form of a series of interlocking circles. c.) The Hill Ruin is where royalty may have lived. d.) A large stone structure appears to have been a granary

The success of a federally funded, locally administered manpower program was measured by the proportion of clients who moved from subsidized employment into unsubsidized (private sector) employment and remained there for a certain length of time. A random sample of n = 376 clients of the program produced the following results . Education Success

Levi-Strauss Co manufactures clothing.The quality control department measures weekly values of different suppliers for the percentage difference of waste between the layout on the computer and the actual waste when the clothing is made (called run-up).The data is in table #11.3.3, and there are some negative values because sometimes the supplier
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What are the similarities and differences between normal and a t-distribution.

statistics and probability MODULE 11 1. A population has a mean of ED and standard of 5. A random sample of 15 measurements is drawn from this population. Decsribe the sampling distribution of the sample means by computing its mean and standard deviation. l 5 points :I 2. The heights of male college students are normally distributed with mean of
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A bidimensional construct example is two different factor on two different continua. Group of answer choices True False

Task2: Alice had been standing on the ground (Point A) and observing a brightly colored object resembling a bird on the top of a tree at a distance of 40 meters from the tree. She decided to get a closer look by moving 20 meters closer to the tree (Point B). After moving closer, she realized that the object was not a bird but something that she

Find the new price for the markup given. Round to the nearest cent if necessary. $4.00 marked up 87%

Simplify the following expression completely: w 17 w 5 Answer=

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 38 liters, and standard deviation of 9.5 liters. A) What is the probability that daily production is between 36.1 and 45.2 liters? Do not round until you get your your final answer. Warning: Do not use the Z Normal Tables...they may not be accurate

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5. Refer to the right illustration, a 1.0-acre parking lot is to be laid out with the configuration shown. Driveways and maneuvering space require 15% of the total lot area. How many spaces will the lot provide? HINT: you don't need the parking angle. WP - 10.4' 26 13
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Please help Suppose that the functions f and g are defined for all real numbers x as follows. f ( x ) = x+2 g (x) = 4x+5 Write the expressions for (g +f ) (x) and (g.f ) (x) and evaluate (g-f) (4). (8 + f ) (x ) = 1 ( 8.f) (x ) = 0 X (8 - f)(4) = 0
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Consider the following shapes. Fill in the requests, in the table, and answer the questions at the bottom of the page. For example, for B, respond with the number of sides and vertices, then write the specific name of the figure (do not use the terms quadrilateral, polygon, or polyhedron, be more specific). A (3D) B C (3D) D (3D) E (3D) Faces:
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Points: 0 of 10 Save City A and city B are expensive cities for business travel, On the b osis/per day for each city (which include a hotel room, car rental, and three meals), 2 days in city A and 3 days in city B cost $2548, while 4 days in city A and 2 days in average cost per day in each city? What is the average cost per day in city A?
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A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others. On a questionnaire designed to measure empathy, the mean score for the general population is 59.39. Random sampling of 51 scores obtained from individuals who were bullied yielded a mean of

Which of the following sets of four numbers has the largest possible standard deviation?Please explain. a. 7, 8, 9, 10 b. 5, 5, 5, 5 c. 0, 0, 10, 10 d. 0, 1, 2, 3

A Newspaper store checks out an average of = 320 papers per day, with a standard deviation of =75 newspapers. Consider a sample of 30 days of operation, with x being the sample mean number of newspapers checked out per day. What is the shape of the sampling distribution of x? Why? What is the standard deviation of x? What is the probability that

Carrot the cat likes taking naps in one of four locations: the rug, the bed, the ledge, and the sink. Carrot has the following conditions: He will not sleep in the sink twice in a row He will sleep on the ledge only if he slept on the rug the previous time Let L(n) be the number of possible sequences of locations for n naps, where n 0. (a) Give a

EXERCISE 1.6.2. Suppose we have an isometric group action G on (M, g) such that the quotient space M/G is a manifold and the quotient map a submersion. Show that there 1s a unique Riemannian metric on the quotient making the quotient map a Riemannian submersion
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a) Basic definition i) Cell differentiation ii) Responses to the environment b) Plant hormone characteristics c) Auxins i) Polar Transport ii) List of effects iii) Apical dominance iv) Fruit formation - Strawberry v) Lateral root formation d) Cytokinins i) List of effects ii) Green island - delays senescence e) Ethylene i) List of effects ii)
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3. Compute each of the following products. Each factor in these products are permutations on {1, 2, 3,4, 5,6, 7,8}. (a) (145)(78)(257T) b)(147)(67)23T) (c) (12)(57 8)(21)(73825)
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Q 23. What are the three (3) sections of a 'chicken wing' called? Q 24. What are three (3) examples of poultry 'saute cuts'
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Discuss the differences between financial and managerial accounting. What types of documents are prepared by business organization using financial and managerial accounting

A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were: y=ax+b a=-0.932 b=39. 678 r2=0.5184 r=-0.72 Use this to predict the number of situps a person who watches 11.5 hours of TV can do (to one decimal place)
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C. Complete estas oraciones utilizando verbos en condicional - Instructions Complete estas oraciones utilizando verbos en condicional. Question 28 (2.5 points) Retake question Listen Question 28 options: Si no tuviera ganarme la vida, yo (jubilarse) . Question 38 Needs Answer Question 38 (2.5 points) Retake question Listen El gobierno prometi que

Some additional information about the 'Applied Project' for our Calculus I course. (1) It should be a word problem that clearly uses concepts we have covered in our Calculus I course. (2) It should relate to a topic that either interests you or is related to your professional / career goal(s). (3) The statement of the problem should not come from

(a) Determine whether function whose values are given in the table below could be linear or exponential. linear x = 01234 h(ac) =22 18 14 106 Find a possible formula for this function. h(x ) = help ( formulas ) (b) Determine whether function whose values are given in the table below could be linear or exponential. exponential ~ x = O + i(x) =14
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Find the present value of the ordinary annuity. (Round your answer to the nearest cent.)$1400/semiannual period for 7 years at 3%/year compounded semiannually $ _________

4. Assume that we want to construct a confidence interval. Do one of thefollowing, asappropriate: (a) find the critical value t/2, (b) find the critical value z/2,or(c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborngirls: n=208,x=29.9 hg, s=7.6 hg. The

A recipe for soup makes 5 gallons and calls for 2 cups of tomato juice. You want to make thirty 6-fluid-ounce portions (30x6). How many cups of tomato juice should you use? Question 8 options: 0.5625 cups 12 cups 72 cups 7.111111111 cups

How do I solve this. provide some explanation for why the set is linearly independent and spans a given vector space

3: In the quantum model, the state of a hydrogen atom is described by a wave function, nlm(r,,) , which is a solution of the Schrdinger equation. Suppose that n=9 . show answer No Attempt 33% Part (a) What is the minimum value of the quantum number m that is consistent with n=9 ? mmin = | sin() cos() tan() cotan() asin() acos() atan() acotan()

A survey of a group's viewing habits over the last year revealed the following information: 4. A survey of a group's Viewing habits over the last year revealed the following information: 20% watched gymnastics 10% watched tennis 30% watched baseball Those that watched gymnastics are independent of those that watched tennis Those that watched
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Solve each system by substitution or elimination 2x- y- z=4 -x +2y+z=1 3x+y+z=16
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K Use a system of linear equations in three variables to solve the following problem At a college production of a play, 360 tickets were sold. The ticket prices were $8, $10, and $12, and the total income from ticket sales was $3320, How many tickets of each type were sold if the combined number of $8 and $10 tickets sold was 5 times the number of
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Find the value of d,e, and angle D \f
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Data will be read from a CSV (comma-separated values) file called Economic_Data 2010.txt. This file has not header record, so you may read it as a plain text file and split the line to separate the individual values. Each row in the file contains the following information on each state in the United States from 2010. Values are separated by
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Geom 23 QUESTION 23 The function h(n) gives the number of person-hours it takes to assemble n engines in a factory. What is a reasonable domain for hin)? A The non-negative real numbers O B. The non-negative rational numbers O C. The real numbers O D. The non-negative integers
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I need detailed steps written by hand (7) Let A, B, and C be invertible square matrices. Then, show the inverse of BO-1AT B-1
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Solve the homogeneous differential equation y yxyx225

(a) Sketch the direction field for the ODE y' = (x)/y(1 x 2 ) (b) Solve the ODE subject to the initial condition y(0) = 1. (c) Sketch the integral curve corresponding to the solution in (b) onto the direction field in (a). (d) What is the interval of validity of the solution to the IVP in (b)

Consider the following matrix. A = (i) Construct B = AA, and find the eigenvalues and eigenvectors of B. (ii) For positive eigenvalues, define of = vX;, where A1 2 12. Construct matrix D as follows. 01 D = 02 (iii) If the eigenvectors of B are not orthonormal, orthonormalise them. Make a matrix V using the orthonormal vectors you obtained. The
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1. A survey of 1060 randomly selected US teens ages 13 to 17 found that 605 of them say they have made a new friend online. a.Are the conditions met to use the CLT and normal distribution in this problem? Justify your answer by using the success/failure formula or explaining your reasoning. b.Find a 90% confidence interval for the proportion, p,

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