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Mathematics Questions and Answers May 01, 2023

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Find the radius, diameter, circumference N 6 in Radius = Diameter= Circumference= Area =
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3. Now check your predictions. In GeoGebra, draw the lines of reflection y = x and y = -x. Then reflect quadrilateral ABCD about the x-axis, y-axis, y = x, and y = -X. Enter the coordinates of the vertices of quadrilateral A'B'C'D' in the table. Paste a screen capture of your images below the table. Type your response here: A B C D (-3, -2) (-2,
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Can you please provide help with the following two questions in the attached picture 1. For what values of k will the function f(x) = 4x2 + 5x + k =0 have no zeros? one zero? two zeros? [4] PPLICATION 2. Luka threw a disc high into the air. The height of the disc can be modeled by the function h(t) = -5t2 + 31.5t + 2, where h(+) is the height in
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A chemist studied the concentration of a solution over time. Fifteen identical solutions were prepared. The 15 solutions were randomly divided into ve sets of three, and the solutions' concentration were measured after 1, 3, 5, 7, and 9 hours. Download the data le SolutionConcentration.csv from Canvas. We want to model the relationship between
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I would really appreciate it if you can show me the process of solving it :) \f
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3. A rectangular shipping container must have a volume of 54 cubic meters. The chent tells the manufacturer that, because of the contents= the length of the container must he one meter longer than the width, and the height must he one meter greater than twice the width. What should the dimensions of the container he? Embed your description of the
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4. At what point do the curves in IR" intersect? and s -+ 2. 1 - s. 5 19
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33} The annual interest on a $13,000 investment is $305 more than the interest earned on the $10,000 investment. The $13,000 is invested at a 0.5% higher rate of interest than the $10,000. What is the interest rate of each investment
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Visit one of the following newspapers' websites: USA Today, New York Times, Wall Street Journal, or Washington Post. Select an article that uses statistical data related to a current event, your major, your current field, or your future career goal. The chosen article must have a publication date during this quarter. The article should use one of

The revenue journal might be modied for Dunbar Auto Repair Business. There may be Accrued revenue for services that the auto repair company has completed but they have not yet received payment There could be unearned revenue when someone pays for the service when they d rop their car off, but the repairs are not completed for another few days.
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business precalc -/8.33 Points] DETAILS WANEFMAC7 5.3.045. 0/50 Submissions Used MY NOTES Use matrix inversion to solve the given system of linear equations. (You previously solved this system using row reduction in Chapter 4.) X . = 5 ( x, y ) = Need Help? Read It Talk to a Tutor -/8.33 Points] DETAILS WANEFMAC7 5.3.047. 0/50 Submissions Used MY
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Convert following transfer function to state space equation \f
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Given the premises p q and r, which of the following is a correct inference? \f
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how do you solve single logarithm equations? Example 5log b X- log b y + log b z

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Write equation for the linear function and use it to answer the given question. Round values to two decimal places. Normaltown HighSchool's pool record for the100-yard freestyle was 46.80 in 1990. Assume that the record falls at a constant rate of 0.05 second per year. What does the model predict for the record in 2010?

Ballot Ballot Ballot Ballot Ballot 1st A Ist R ist B 1st C 1st C 2nd B 2nd 2nd C 2nd D 2nd D 3rd C 3rd A 3rd A 3rd B 3rd B 4th D 4th D 4th D 4th A 4th A Ballot Ballot Ballot Ballot Ballot 1st C 1st A 1st B 1st D Ist D 2nd D 2nd 2nd C 2nd B 2nd B Bro B 3rd C 3rd A 3rd C 3rd C 4th A 4th D 4th D 4th A 4th A Ballot Ballot Ballot Ballot Ballot 1st D
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"Legendre's axiom" states that every point in the interior of an angle lies on a segment joining a point on one side of the angle to a point on the other side. This claim is false in hyperbolic geometry. Draw sketches showing how it can fail in the Klein disk picture where the lines/rays should be straight.

The US national debt in 2020 was approximately 27 trillion dollar.the average annual income for a person in the us in the same year was $62,000. Using the writing principle , write a statement that compares the rational debt and the average income.

(d) Find and plot the test scores that would result if the city allocated the grant money to equalize the scores across schools
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1)Mr. Friedline is an incredible gardener. He has a rectangular plot of land that he uses for his garden in his back yard that measures 74.52 square feet. Recently, animals have been getting into his garden, so he wants to put up a fence around the garden. If the length of the garden is 8.1 feet, how many feet of fence does he need to surround the

a . Using the information given , develop an expectation for the reserve for returns account . Because the rate of return varies based on the time that has passed since the date of sale , do not use an average historical return rate . 6. Determine a tolerable difference for your analytical procedure . C. Compare Your expectation to the book value
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A twice-differentiable function f is defined for all real numbers x. The derivative of the function f and its second derivative have the properties and various values of x, as indicated in the table. X 0
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I don't understand the following questions : (Text Format ONLY, no illustrations, thanks) 1.Categorize the following polygon by the number of sides: \f\f\f\f\f\f\f\f\f\f\f\f
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Hello, can you please help me with this math question? A survey showed that 23% of college students read newspapers on a regular basis and that 81% of college students regularly watch the news on TV. The survey also showed that 20% of college students both follow TV news regularly and read newspapers regularly. (a) What is the probability that a

Section6.5SingularValueDecomposition: Problem 3 (1 point) A singular value decomposition of A is as follows: 0.5 0.5 0.5 0.5 20 0 AUsz 0.5 0.5 0.5 0.5 0 5 [0.6 0.8 0.5 0.5 0.5 0.5 0 0 0.8 0.6 0.5 0.5 0.5 0.5 0 0 Find the least-squares solution of the linear system 1 3 Ax = b, where b = 3 -2 III I.- II. I E II R m II
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Use subjective probability to estimate the probability of randomly selecting a subject who did not lie and whose polygraph indicated that he or she did lie
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1. 'What is the nature of the opportunity for Spotre? 1What sirategj.r should the company pursue over The next 3-5 years
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Determine 0 , R and so as to write the given expression in the formu=Rcos( 0 t). Your answer is partially correct. Try again. Determine 600, R and 5 so as to write the given expression in the form u = R COS (6001' 5). u = 8 cos (art) 9 sin (m) Enter exact answers. Enclose arguments of functions in parentheses. For example, Sin (2x)
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5) In a listing of the five equivalence classes modulo 5, four of the values are 11, 8, 100, and 32. The last value could be (a) 0 (b) 1 Equivalent to (c) 2 (d) 3 0 1 2 2 $ 6 (e) 4 6) The number of strings of length 10 from the alphabet 2 = {a, b, c, d} that contain at least one d is (a) 104 - 93 (b) 104 - 94 Strings w / no (c) 10* - 103
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Get an insurance quote by phoning or going to see a broker. You could also go to an internet website that gives quotes online. Try some sites or brokers to get an insurance quote for a new Ford Escape, a used Ford Escape (make note of the year), and a leased Ford Escape. (2 marks each) Broker #1 Insurance Quote New Ford Escape Used Ford Escape
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determine the explicit and recursive formulas for the general term t n in the sequence: -4, -11, -18, -25, -32,....

3. In a particular college math class, students begin the semester taking a pre-test (Pre). At the end of the semester, students receive a nal class percentage (Final). Both scores are recorded as percentages out of 100. It was desired to know if performance on the pre-test was predictive of nal class percentage. There were 9 students in the
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4. The gure below shows the 80 km singlemode ber (5MP) optical link between 1 transmitter (T,) and 2 photodiodes (PD). The transmitted power into the fiber is 10 mW. After point A, the optical power is divided into two branches where 90% of the power to P01 and 10% to PDZ. The responsivity value of P01 is 0.5 W while P02 is 0.8 NW. The attenuatiOn
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$8000 was borrowed at an interest rate of111 2 % 1112% . Calculate the amount of each payment if the loan was paid off by three equal payments made 30, 90, and 150 days after the date of the loan. (Do not round intermediate calculations and round your final answer to 2 decimal places.) Payment

Thank you in advance A student takes a 25 question true false test. If 14 answers are true and 11 are false, how many different answer keys could there be
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Problem 2. A metric space {X, d) is called sepamble if it contains a countable dense subset, i.e. there exists a countable set S C X with g = X. {a} Show that the real line with the usual {Euclidean} metric is separable but the real line with a discrete metric is not. (b) (Phillips, Section 4.1 #3) Suppose (X, (1] is totally bounded: that is, for
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Hi, I'm having trouble with this one. It's my understanding that for n > m in R^m space, the set of n vectors must be linearly dependent, so how is this possible to have four independent vectors in R3? Any guidance would be helpful, thank you. 42- Four vectors in R3 such that no vector is a nontrivial linear combination of the other three.
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Two systems of equations are given below. For each system, choose the best description of its solution. If applicable, give the solution. x-2y=6 (x,y) -x+2y=-6 (y) x-2y=4 (x,y) -x+2y=4 (y)

(2 points) Suppose that a group of 150 students have joined at least one of the chat rooms: one on auto racing, one on bicycling, and one for college students. For simplicity, we call these rooms A. B, and C respectively. In addition. 90 students joined room A; 50 students joined room B: 70 students joined room C: 15 students joined rooms A and C;
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Let a, b be fixed vectors in R 3 , and W = {x R 3} satisfying the equation x T a = x T b.

Mathematical StatementJustification2(2x3+ 4x2 3) + 5(x2 2x 2)Given4x3 8x2+ 6 + 5x2 10x 104x3 8x2+ 5x2 10x + 6 104x3 3x2 10x 4 Fill in the missing justifications in the correct order.Combine Like Terms; Distributive Property; Commutative Property of Addition Commutative Property of Addition; Combine Like Terms; Distributive Property Distributive

estion: Which of the following statement is false? O When the number of columns in matrix A equals the number of rows in matrix B, then we can obtain the product of AB. O The expression AX = B is the matrix form corresponding to a system of linear equations if matrix A is the coefficient matrix, the vector X is the column vector of variables and B
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5 7. Find the area of one leaf of the polar curve r = cos 30. (Hint: sin r = 1 - cos 2r 1 + cos 2.x 2 , COST = 2
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1. A history pop quiz has one question in which students are asked to arrange the following presidents in chronological order: Hayes, Taft, Polk, Taylor, Grant, and Pierce. a . After carefully reading the scenario, determine the number of possible different arrangements of the presidents. Which will work better to determine this answer,

19. In the states of Florida and Colorado, veterinarians investigating obesity in dogs obtained random sample of pet medical records and recorded the weight of the dogs in the sample. A test was concluded of Ho: p 1 = p: versus Ha: p: at P2. where p1 represents the proportion of all overweight dogs in Florida and p2 represents the proportion of all
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Please help answer questions 1-5. 1. Use the table of values below to determine the function that best represents the data: Hours worked Pay Earned 80 128 S 92 12 176 3 68 14 200 A. Y = 12x + 32 B. y # 10x -9 C. y = 8x + 43 D. y = 5x + 42 2. Use the table of values below to determine the function that best represents the data: X Y 10 8 6.4 5.12 4
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I need help Question 2: a) Find the general solution of the equation b) Using the initial conditions y(1) = 11 nd the particular solution. c) Find the orthogonal trajectory of one parameter family found in a)
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7. Which of the following CNF expressions are satisfiable? If the expression is satisfiable, then give an assignment to the variables that causes the expression to evaluate to 1. If the expression is not satisfiable, then give the input/output table showing that no assignment to the variables satisfies the expression. a ( x + 2 ) ( x + y ) (3+z) b
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Suppose that S is the set of successful students in a classroom, and that F stands for the set of freshmen students in that classroom. Find n(S n F) given that n(S) = 53, n(F) = 25 and n(S U F) = 58
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Given this standard form:Build your initial Simplex Tableau: \f\f
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Section 6.2 Solution of I.V.P: Problem 7 Previous Problem Problem List Next Problem (1 point) Use the Laplace transform to solve the following initial value problem: y' - 2y' + 26y = 0 y(0) = 0, y'(0) = 5 a. Using Y for the Laplace transform of y(t), i.e., Y = [{y(1) }, find the equation you get by taking the Laplace transform of the differential
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Solve the question below. This is grade 12 functions so no calculas allowed. 200% v TV T View Zoom Insert Table Chart Text Shape Media Comment Collaborate Format Document 4. Solving the following rational inequality using an algebraic method. State any restrictions. [5] x+1 x +9 Nothing selected. x+2 x-1 Select an object or text to format
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For each of the following four formulas nd a relation R that makes the statement true and a relation R(x, y) that makes the statement false. You can pick the underlying universe to be anything you want, though N Z, Q or R will probably be simplest (state explicitly which universe you are working with). 3 xXVzHREmzH 2: EV x)(Vy)[R(x.y)] 3
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Let S be the part of the sphere x 2 + y 2 + z 2 = 36 that lies between the plane z = 0 and z = . What is an appropriate parametrization of S in spherical coordinates? Obtain the normal vector r u r v to the surface with parametric equation representation r(u,v) = (u 2 + 1)i+(v 3 + 1)j + (u + v)k at point (5, 2, 3). What is the normal vector?

Problem 3 (5pt) Explain the concept of adverse selection and what is its relevance in market microstructure
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6. Ace used-car sales manager Jack has no idea whether the $100,000 he pays for training for his used-car salespeople works. He asks Dave, the leading salesperson, and Dave says he thinks it works but can't really tell. So, Jack has hired your local helpful stats star and asked whether the training makes a difference. Here are the data-you tell
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The quesion is showed in the following two pictures. It's about state-space equation. 2.2-2. Direct Solution of Simple State-Space Equations a. Solve the state-space equations X(1) = 0 17 -1 x(0) = X0 y(t) = [1 0]x(1), 120 These are the equations for the simple harmonic motion of a particle of unit mass. b. We have a system described by the state
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Show work out. A family purchased a home ten years ago for $80,000. The home was nanced by paying 20% down and signing a 30- year mortgage at 9% on the unpaid balance. What are the monthly payments to pay off the mortgage in 30 years? 6'\" $987.14 r" $514.96 N $657.89 F\" $854.33
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1. A researcher is interested in whether college students get enough sleep. She suspects that they get less than 8 hours of sleep on average. The sample mean (x) for 65 students was 7.08 hours. The standard deviation of number of hours students slept is s=1.8. (a) Determine the null and alternative hypothesis for the test. What is the parameter in

Problem 19. The outcomes of successive flips of a particular coin are dependent and are found to be described fully by the conditional probabilities P(In+1 | In) = Go It P(Tn+1 | Tn) = where we have used the notation: Event Hk: Heads on kth toss; Event Tk: Tails on kth toss. We know that the first toss came up heads. Determine the probability the
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Calculate the number of subsets and proper subsets for the following set. {x | x is a color of the rainbow}

2log 5 (x+11)=log 5 25+2 a) Rewrite the given equation without logarithms. b) the solution set is : ___

3. The hardware stackup being considered is shown below. Straw. 1 20"4 0.1 Lock Washer, 0 C62" +I- 0 ME- Fla! Wash\". 0 065\" *l- '10 1'5 Cormorant. 0 750" +I- 0 .01 Figure 1: Hardware stackup In this application, a machined piece of aluminum 0.750 inches thick is being secured to a sheet metal chassis that is 0.25 inches thick. The stackup also
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Bill uses mirrors to argument the laser experience at a laser show. At one show he places three mirrors A,B,C in a right triangle form. If the distance between A and B is 17m more than the distance between A and C , the distance between B and C is 17m less than the distance between A and C , what is the distance between mirror A and mirror C

The members of a hierarchical group of hungry beasts face a piece of prey. If Beast 1 does not eat the prey, the game ends. If Beast 1 eats the prey, Beast 1 becomes fat and slow, and Beast 2 can eat Beast 1. If Beast 2 does not eat Beast 1, the game ends; if Beast 2 eats Beast 1 then Beast 2 may be eaten by Beast 3, and so on. Each beast prefers

(c) Why is using the set.seed() function important when fitting or evaluating models that include randomization
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9. Online students require tutors with Academic Technology training. Academic Technology training is offered to staflE with more than 2 years of service at the academic support center. Luke wants to identify the staff members eligible for Academic Technology training in the table. In cell M2, enter a formula using a nested IF function and
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1. Assuming that the population numbers in the above table are relatively accurate, use the Discussion Board Forum 2: Data spreadsheet to compute the deaths per 1000 people for each age group in both 1980 and 2014. Give these 6 values (e. g. deaths per 1000 people for ages 1524 in 1980) and then cite a reference to discuss what might accotmt for
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8. Which of the following best describes the graph? 4+ -2 -2- A. It is a parabola. B. It is not the graph of a function. C. It is the graph of a one-to-one function. D. It is the graph of a function but not a one-to-one function
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40} How many gallons of a 5% acid solution must be added to 20 gallons of a 40% acid solution to make a 25% acid solution
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Please solve this, with steps, please. 1 2 0 Problem 2: Let v1 = 1 , v2 = 1 , V3 = 1 , x = 0 1 1 vectors in R3. (a) Show that B = {V1,V2, V3} is a basis of R3. (b) Calculate the coordinates of 3: relative to the basis 3
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Help The graph of the relation S is shown below. Give the domain and range of S. Write your answers using set notation. domain = X ? range = Continue
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Question 7. : What is the treatment of choice for pernicious anemia (PA)? Cyanocobalamin by oral intake Vitamin B12 by injection Ferrous fumarate by Z-track injection Folate by oral intake
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Decide if you want to run a lower-tail test, a two-tail test, or an upper-tail test to determine if the average time is longer than 36 minutes. You choose: Select one: a. lower-tail test b. two-tail test c. upper-tail test

chooses Excellent, Good, Fair, or Poor. Over the past month, the responses to this question from first-time patients were: Fair Good Fair Excellent Good Good Good Poor Excellent Excellent Poor Good Fair Good Good Good Good Poor Fair Excellent Excellent Good Good Good a. Construct a frequency and a relative frequency distribution that summarizes
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10. A moving van company charges a fee of 35.00 dollars for the truck rental and 25 cents for every mile the truck travels from the loading location. Let y be the cost in dollars for using the truck for x miles. Write the slope-intercept form of the equation. 11. Using the equation from number 10, how much will it cost to rent the truck and travel

Please solve the below question and show your working Instructions: Answer the questions in the space provided below. Show your working for the questions You are allowed to use a calculator to perform calculations. Q1. Two points A (-2, 9) and B (4, 8) lie on a line l. (i) Find the slope of the line l. (ii) Find the coordinates of the midpoint of
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Perform the following tasks: Complete the reading assignment and the interactive lesson before attempting this assignment. Attend the instructor session to prepare for this assignment. You want to upgrade the living room and kitchen in the house you just purchased. This will include: o new carpet in the living room o new wood trim along the base

Which property justifies the following statement? Which property justifies the following statement? 2(4x + 1) = 2-4x + 2.1 Additive Inverse Associative Property of Multiplication Multiplicative Identity O Distributive Property
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When a linear transformation is one to one, I understand that it means that the null space is zero. But why is the transformation called "one to one"? Does it mean that the result of the transformation is no different from before the transformation? Can you explain this concept of "one to one" to me?

I don't know how to do question (c) (a) Suppose that or and ,8 are oating point numbers and we compute a by s==1/s- l/(CHi- {1:- i. {5} If the straightforward algorithm were (backward) numerically stable, what would the computed value of a satisfy? Explain why the algorithm is actually not numerically stable. ii. {4} The quantity ,u. computed as
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need help A department store, A, has four competitors: B, C, D, and E. Store A hires a consultant to determine if the percentage of shoppers who prefer each of the five (5) stores is the same. A survey with 1100 randomly selected shoppers is conducted, and below are the results of which one of the store's shoppers prefer. Is there enough evidence
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2. A parallelogram is defined by the vectors OA = [-2,3] and OB = [-1,7). Determine the length of the diagonal, as an EXACT VALUE, which starts at O and ends at the opposite corner of the parallelogram. (4 marks)
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can you answer this Read aloud 9 1 point -1 Analyze the graph THact 8 9 10 Identify an interval where the function is considered constant. O -8
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Solve the problem. Rita earns scores of75,82,69,82, and67on her five chapter tests for a certain class and a grade of68on the class project. The overall average for the course is computed as follows: the average of the five chapter tests makes up55% of the course grade; the project accounts for10% of the grade; and the final exam accounts for35%.

could you give me explanations on this statistics problem ? I am stuck, and I do need your help. Thanks Consider a random walk over 3 webpages, 1, 2, 3. At any step, if the person is at webpage 1, then with probability 1 / 6, she will go to webpage 2, and with probability 1/6, she will go to webpage 3. If the person is at webpage 2, then with
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The figure shows Angel Stadium of Anaheim and the triangle formed by home plate, the right center field fence, and third base. In the figure, the approximate distance from the right center field fence to third base is 339.4 ft. center left center right center 339.4 ft 2nd 3 rd 1 st 90 ft 63.4 home plate
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Hi. please help me solve in detail. Thanks 7. Given the function h(x) = 2V-(x - 4) + 1, answer the questions about it. (7.1) (5 points) Vertical Transformations: Vertical Stretch? no O yes, O scaled by Vertical Reflection (about the x-axis) no O yes O Vertical Shift no O yes O by (Use "-" for down and "+" for up.) (7.2) (5 points) Horizontal
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Marcus wants to build a rectangular enclosure for his animals. One side of the pen will be against the barn, so he needs no fence on that side. The other three sides will be enclosed with wire fencing. If Marcus has 850 feet of fencing, you can find the dimensions that maximize the area of the enclosure. a) Let w be the width of the enclosure

4. Which figure is a counterexample for this statement? If 2 angles are adjacent, then they must form a linear pair. N O 350 550 O 60 120 O 2 1
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Please solve this questions. Q. l Let B = ge ,, ez, es, e4 , ess be the standard basis of TRS what is the coordinate rector of V = - 3 2 - 2 2 2 + 42 - 424 9.2 Let = = 0 Compute Led , where u = 9: 3 Considers a basis e - 7 Let Me - What is o in standard coordinates
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Construct the truth table of the compound proposition (p q) (p r)

Please in details 1 1 2 2 . 1 0 1 0 1. (4 p01nts} Let A 3 2 5 and b 4 3 1 4 2 (a) (2 pts) Use Gauss Elimination to solve the system of equations An: = b. (b) (1 pt) Using part (a), determine whether the columns of A are linearly indepen- dent. Justify your answer. (0) (1 pt) Is the span of the columns of A a line, a plane or the whole R4 space?
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Hi need help with this question please Tatiana plays a game where she draws one card from a well-shuffledstandard deck of 52 cards. She wins the game if the card she draws is a Heart or a face card. Are the two events mutually exclusive? There is not enough information to determine if the two events are mutually exclusive. The two events are not

Solve the following second order differential equation using initial value Green's function x'' + x = 2 cos t, x(0) = 0, x'(0) = 0.

Good afternoon, I would like assistance with the following problem: (delta)Six is a right triangle with the measure of

The graph shows the functions f(x), p(x), and g(x): \f
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1.PLea5e find the Attached .R file and explanation in Comments. 2.PLease find the attached .py file and explanation in Comments
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