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Mathematics Questions and Answers May 13, 2023

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Use the Quadratic Formula and a calculator to find all real solutions, rounded to three decimals. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) x 2 2.493 x +1.555= 0 x =

(1) 3. Adjust the viewing rectangle to contain the two points found in #1, making sure that all of the d-values from #2 are included. Describe the viewing rectangle you used: d min = d max = h min = h max = (4) 4. Draw a complete graph using the viewing rectangle from #3. Include and label appropriate points from #1
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Hello, can someone please help me with these financial literacy questions? If you could write the answers and solutions out instead of typing that would be helpful. The typing format confuses me! 20 of 21 The Simpsons are moving into their new home. They purchased it for $300,000 by putting a down payment of $120,000 towards the purchase and
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QUESTION 2 Thaarugo Inc produces a GPS device that is becoming popular in parts of Scandinavia. When Thaarugo produces one of these, a printed circuit board (PCB) is used and it is populated with several electronic components. Thaarugo determines that it need about 16,000 of this type of PCB each year. Demand is relatively constant throughout the
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04 from the information in Table A-I make some quantitative comments on the length of time the built in circuitry of the PCM DECODER would take to recover the frame synchronization signal FS from the incoming data stream. Were you able to verify this by observation
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20 units. each unit cost $1000.00= $20.000. if I sale the 20 units and make $500.00 on each unit it= $10.000. does that make me loose 10.000 counting the initial cost of the units?

What is the formula for a finite geometric series and how can you use it in a practical situation? 1a. When given a raw score, explain how to use the normal curve to compare that score to the population.? 1b. Provide an example of a trig function and describe how it is transformed from the standard trig function f(x)?

In order to find the distance for the red marked paths, does it make more sense to use the Pythagorean Theorem, distance formula, slope, or equation of the line?Could it be possible to use any of them?Explain your answer.

A company's preferred shares pay a $2.25 dividend every three months in perpetuity. What is the fair market value of the shares just after payment of a dividend if the rate of return required by the market on shares of similar risk is 1% compounded quarterly? (Round your answer to the nearest cent.)

I cannot find enough rules to help me figure this out. Please assist. Suppose that for a function f, the equation f(x) =0 has exactly two real-number solutions. Which of the following statements MUST be true? A. f has exactly two x-intercepts. B. f has exactly two y-intercepts. C. f is a quadratic function. D. f is an invertible function
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State the Fundamental Subspace Theorem and give an example of its application in the case of a 2 2 matrix.

lask 1 Part 1. Using the two functions listed below, insert numbers in place of the letters a, b, c, and f(x) and g(x) are inverses. f(x)-(x+a) b
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please answer all State the domain and range for the following relation. Then determine whether the relation represents a function. {(2,8), (-3,8), (3,9), (2,15)} The domain of the relation is (Use a comma to separate answers as needed.) The range of the relation is (Use a comma to separate answers as needed.) Does the relation represent a
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hey can someone please help me with these four pages in my assignment? would be greatly appreciated. 22400 Assignment Booklet 5 Unit 5: Polynomial Functions 2. Complete the following chart to analyze the characteristics of each polynomial function. Express your answers to the nearest tenth, if necessary. (24 marks) y=-5x+1 y =0.5x2 - 2x-1
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Hello, I need help figuring out how to solve 18, 19 and 20. I know the answers for 18 is A, 19 is D and 20 is D. I just don't know how my teacher got that. Thank you!! 18) Calculate the effective rate for 4.4% interest compounded monthly. Round to the nearest hundredth 18) of a percent. A) 4.49% B) 4.30% C) 4.1% D) 4.6% E) none of these Use 1 =
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Dana is making bean soup. The recipe she has makes 10 servings and uses 3 4 of a cup of beans. a. **How many total pounds of beans does she need to make 5 servings of soup? b. How many total pounds of beans would she need to make 30 servings of soup?

Rational Expressions and Equations Find all real solutions for the following problem. Be sure to check for extraneous solutions. Show work. 3 y 1 =1 y 2 +1

Can some one help me with this Logistics In this modern world of justin-time deliverables, one application of Discrete Math that is getting more and more attention is that of Logistics. This may be as simple as scheduling classes into rooms without overlap. 0r putting the required credits for a degree into an order that can be completed in four
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Suppose we shift the graph of f vertically downwards by h units such that the maximum turning points(vertices) of the resulting graph lie one unit below the x-axis.what is the value of h?

1) Formulate the situation as a system of inequalities. (Let x represent the number of goats the farmer can raise and y represent the number of llamas.) A rancher raises goats and llamas on his 400-acre ranch. Each goat needs 2 acres of land and requires $100 of veterinary care per year, while each llama needs 5 acres of land and requires $80 of

Question 3 (32 marks) Based on the following scenario regarding the time spent on the treadmill and the amount of calories list, calculate and interpret the following
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Describe what is meant by deductive reasoning.Give an example of how you might use deductive reasoningin the real world.Please respond to at least one peer.

If Bill was traveling v mi/h, how would you represent Daemon's speed in mi/h if he was traveling 30 mi/h faster? Use the information to find a linear algebraic equation model that can be used to answer the question. Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 3 more than 4 times the number of
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Suppose A is an n p matrix and B is a p n matrix, so C = AB makes sense. Explain why C cannot be invertible if A is tall and B is wide, i.e., if p < n. Hint. First argue that the columns of B must be linearly dependent.

1) Complete the following table: Variable Factor Total Product Average Product Marginal Product 1 10 2 160 3 330 4 480 5 600 6 670 7 680 a) Draw two graphs. One depicting the total product curve and the second illustrating the marginal and average product curves. b) At what point is diminishing marginal productivity? c) What is the relationship
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How does each inverse function from part A relate to its original function? Describe the relationship in terms of the context for each situation. Do this for each of the three models
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Suppose that U is a subspace of a vector space W. We say that a subspace V ?W is a ' a ' complementary subspace (sometimes "a complement") for U if U + V = W and U ? V = {0} . Show that if U and V are complementary subspaces then W ? U ? V . Suppose that U is a subspace of a vector space W. We say that a subspace V Q W is a a complementary
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Complete the following calculations. Explaining each step, you used to obtain your answer. Refer to the handout below. Many of the formulas used in respiratory care are listed on the handout. Use the handout to perform the calculations below. Most of the formulas are also already provided for you. (Explain your work!) a. Calculate the average VT

Need help! 3 The register of a college recorded the amount of time each student spent waiting in line during peak registration hour one Monday. The frequency table summarizes the results, Find the standard deviation Round your answer to one decimal place Wait Time Number of Students 0 - 3 4- 7 15 8-11 12- 15 9 16-19 0 20- 23 A 5 4 3 5.8 6 5.9 D
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Define a sampling model for simulating the total profit over 1,000 loans with probability of claim p_loss = .015, loss of -$150,000 on a claim, and profit of $1, 150 when there is no claim. Set the seed to 25, then run the model once. (IMPORTANT! If you use R 3.6 or later, you will need to use the command set . seed (x, sample. kind = "Rounding")
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Clear parentheses by applying the distributive property. -( -4 s + 9 t + 7 )

Question 4 Which of the following predicate calculus statements is true? Question 4 options: C VXER, Hy ER, X = y2 VXER, Hy ER, y = X2 C VX ER, Vy ER, x = y2 C VXER, VVER, V = X2
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Hi, I'm currently taking an Apex summer school class for Algebra II Semester 2. What files would help me through my course, I'm having a hard time finding my way around course hero. Thanks for your time!

Problem 2: [ASV 93"] The unit price of a certain commodity evolves randomly from day to day with a general downward drift but with an occasional upward jump when some unforeseen event ex- cited the markets. Long term records suggest that, independenttly of the past, the daily price increases by a dollar with probability 0.45, declines by two
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a system of linear inequalities that has the ordered pair (0,0) as its only solution. Explain how you determined this system.

b) What assumption about the tree and the ground did we need to make here? Why did we need to make it?I
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Photos - graph.png X See all photos Add to a creation Q Edit & Create v Share Year Percent Foreign-born 1940 8.1 1950 7.3 1960 5.9 1970 4.6 1980 6.3 1990 8.9 2000 10.6 2010 13.2 O Type here to search 0 mBea # A O 9:54 PM 5/6/2019
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The two matrices are both left-invertible, and have multiple left inverses. Do they have a common left inverse? Explain how to find a matrix C that satisfies CA = CB = I, or determine that no such matrix exists. Hint. Set up a set of linear equations for the entries of C.

Hi, could you help me find the determinant of this matrix? Thank you! \f
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7. (9 pts) Let g(x) = x - 5 x- 1 (a) Calculate g(-3). (b) State the domain of the function g (x) = - x - 5 x - 1 (c) Find g (t - 3) and simplify as much as possible. Show work
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Let p be a prime and let x and y be non-zero integers. How to prove that if x and y are coprime and p^2 divides xy, then p^2 divides x or p^2 divides y?

The length of an office is x feet and the width is xplus+4 feet. Write the polynomial that represents the area. Find the area if x=10. Choose the polynomial that represents the area.A) x^2+4x B) 2x+4 C) 2x+4x D) 2^2+4 For x=10, the polynomial x^2+4x= ________

Please help me with the following question. I am not sure how to approach it. Please write the work on a piece of paper. Sometimes, when its typed on here, the online notations get messed up and its hard to follow the work. 1 1 5. Let x = :f , y = _i , W be the subspace of R4 spanned by x and y, and B = {x,y}. 5 7 53. Is B a basis of W? Is it an
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Teresa and Rico need help with five factoring problems. The first problem is to factor the following polynomial completely: ( x 8 - 6561). Complete the table to summarize what you know about each student's idea.

[2. If |f\"(:c)| is large on a. given 6-interva1 with center a, is the approximation of f(:t:) by L(3:) more likely to be e-good or ebad? Justify your answer using arguments related to the shape of the graph
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A savings account in a bank yields 0.25% simple interest. If you deposited Php 25,000.00 for 4 years, compute for the following: (a)The future value of the money invested. Answer (b)The interest paid to you by the bank.

help these two questions thank you thankhelp these two questions thank you thankhelp these two questions thank you thank Prove Theorem 422(0). Reference: Let A and B be n x n matrices with A ~ B,Then c. A and B have the same rank. Prove Theorem 4.22(e). Reference: Let A and B be H x n matrices with A ~ B,Then e. A and B have the same eigenvalues
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Find the range of the function below. \f
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Help soving ONLY part (1).... Using theorem 1.5.5 and 1.5.6 prove (1) Exercise 1.5.3. [Used in Theorem 1.5.5 and Theorem 15.6.] Letre Z and y e Z". (1) Prove that (x, y)] = 0 if and only if r= 0. (2) Prove that (x, y)] = 1 if and only ifx = y. (3) Prove that 0 sholds (Trichotomy Law). II. Ifr 0, then ri
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On June21, Fat Tires Ltd. borrowed $7000.00 with an interest rate of 6.3%. The loan was repaid in full on October11, with payments of $2800.00 on July5 and $3000.00 on August10. What was the finalpayment?

Write the equation of a logarithmic function that has been vertically stretched by 5,reflected in the x axis, horizontally compressed by 1/3, moved 11 units left and 8 units down. Justify your answer. Please show each step and be specific. Thank you

factor the following expressions a. 10n 2 + n - 3 b. 2d 2 - 8de + 6e 2

It might be appreciated that you help me to figure out answers and steps too.. I don't know where to start with.. so please give me detailed steps. Please answer all the questions else i will contact course hero for cancelling your answer. Question 1 ( 16 marks )| Suppose 225 - 212 + *= = 1 determines the function = = = ( * , *') as a function of
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Suppose you are given a quadratic function:f(x) =ax2+bx+c. (a)Supposea <0 andb <0. Prove that the function achieves a maxi-mum at a negative value ofx. What is the value ofxand the value off(x) at the maximum? (b)Supposea >0 andb <0. Prove that the function achieves a mini-mum at a positive value ofx. What is the value ofxand the value off(x) at

6. Create other views as needed. Put as much as possible into Views so you are pulling from them instead of from tables
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2. Let X he the number of years since 1885. Use the T1433 or TI83 Plus calculator to create a model that is a flmction of the years past 1885 that will predict the price of a first-class stamp. (Press STAT and EDIT on your calculator and enter the data from column 2 above to the L1 column. Next, enter the data from column 3 to the L2 column on
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. .. Group B . . Group B ...... Group B Group B V V Group A Group A Group A Group A 0 0 0 (a) (b) (c) (d) a) If this model is fitted to the data set, which fitted coefficients, if any, would you expect to be significantly different from zero? What would be the signs of those nonzero coefficients? b) If terms with nonsignificant coefficients are
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MATH 1050 HOMEWORK SET #12, Section 3.5 Concepts and definitions: y2 y1 x2 x1 I. The slope formula: m II. Slope - Intercept form of a line: y mx b . III. Point - Slope form of a line: y y1 m( x x1 ) . Exercises: 1. Find the Point-Slope equation of the line containing the point ( 2 , 5 ) and having slope 4. Then convert the equation to Slope -

1) Sketch the system of inequalities. x + 2 y 32 x 0, y 0 List all vertices. (Order your answers from smallest to largest x , then from smallest to largest y .) X,Y = 0,0 0,0 X,Y = ? ? ?? I NEED ANSWER TO THIS ONE ONLY PLEASE X,Y = 0,32 0,16 2) Sketch the system of inequalities. 2 x + y 12 x 12 x 0, y 0 List all vertices. (Order your answers from

1. Carmen's Chocolates makes two varieties of chocolate bar. A Decadent Dark chocolate bar contains 4 oz of cocoa powder and 3 oz of sugar1 while a Mellow Milk chocolate bar contains 2 oz of cocoa powder and 3 oz of sugar. Carmen has 120 oz of cocoa powder and 150 oz of sugar in stock. Decadent Dark bars sell for $6, while Mellow Mill: bars sell
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1.Find the length of an arc in a circle of radius 10 centimeters subtended by the central angle of 50. Show your work. 2.Graphf(x)=x\ sin\ xon [-4, 4] and verbalize how the graph varies from the graphs off(x)= \pm x. Graphf(x)= \frac{sin\ x}{x}on the window [5, 5] and describe freely what the graph shows. You can use www.desmos.com/calculator to

what is the slope intercept form of the equation for the line that has a slope of -2 and a y intercept of 3?

This is a question from my textbook, Please refer to the attachment to answer this question, thank you! ? Sum of sinusoids time series model. Suppose that 21, 22,... is a time series. A very common approximation of the time series is as a sum of K sinusoids K 2 = = ) Ocos(wxt -0x), 1=1,2.... k=1 The kth term in this sum is called a sinusoid signal
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O. All Hivoice Was ICCCTVCU TUI DJIVU WOLCU JUIC 2 1 WILLI LETTIIS 271U, (a) What is the last day for taking the cash discount? (b) What is the amount due if the invoice is paid on the last day for taking the discount
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The table of ordered pairs(x,y)gives anexponential function. Compose an equation for the function. x y -1 128 0 32 1 8 2 2 Sorry I could not get the table to work here so I typed it out for you....thanks for your help.

V1 V10 GEN AGE status_1 status_2 status_3 status 4 ResponselD Finished Background Your age? Current stat Current stat Current stat Current stat R_1N3XDZzeYAC 1 2 3 R_2hEs3JHZUXa 4
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Let P 2 be the real vector space of polynomials in x of degree at most 2, and let T be the real vector space of upper triangular 2 2 matrices:{ ? [ a 0 ? b c ? ] ? | a, b, c ? R }. The vector space P 2 is equipped with the inner product = ? ? ? 1 1 ? p ( x ) q ( x ) d x ? , and the vector space T is equipped with the inner product =tr(A t B),
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Part 2 (Theoretical Analysis): Compute the expected value, variance, and standard deviation of the random variable X. See the additional notes for discussion on these computations, in brief: P(X=i) = the probability of rolling something other than a 1 ! )-times, then rolling a 1 on the ith throw. Make a table for the first 10 values: PX=1 PX=1
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question based on Nonlinear OptimizationNonlinear OptimizationNonlinear Optimization \f\f\f
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I am not good when it comes to graphs, how do I solve this? Determine the domain and range of the piecewise function. Domain [3, 1]; Range [2, 2] Domain [3, l]; Range [0, 2] Domain [1, 1]; Range [2, 0] Domain [2, 2]; Range [3, 1] F30???"
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MATH 123 Homework Section 14 Normal Distribution Section:________ Name:__________________________ 1. Women's Stature: Consider the data from the Anthropology 105 class. The mean is 163.4 cm and the standard deviation is 6.7 cm. Convert the mean and standard deviation to inches, rounded to two decimal places. Label the heights at , + , , +2 etc. at

Hello, I have a math question. This unit is about logarithmic and exponential functions. I was doing my homework and I got stuck on this question. Can you please help by showing me how to do it and explaining the steps you took in order to solve this? Thank you. A screenshot of the question is attached below. This is a 2 part question. Thank you.
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5- Create the View that will shew all withdrawn patients, their site, withdrawal date and withdrawal reason for bath studies
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10) A marketing firm does a random survey to find out how many people use a product. Of the one hundred people contacted, fifteen said they use the product. Identify the type of study used. A) Observational study B) Experiment
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array and the mean: (120-123.75) + (100-123.75)? +(130-123.75)? +(145-123.75)? = 1068.75. Finally, divide that number by the count and take the square root: \\ 1068.75/4 =16.35. You will be modifying your Assignment, AssignmentTest, and AssignmentDriver classes. a. [2 points] Add test cases to AssignmentTest that will thoroughly exercise the two
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Ethan bought new car worth $60 000. After 5 years, the car was worth $35 429.40. Calculate the depreciation rate of the Ethan's car. Thanks, please be specific and show each step

(Must Show Work!!)A 6-ft tall man walks away from a *45-ft tall streetlight at 2 ft/sec. How fast is his shadow increasing when he is 9 feet from the streetlight?

The following table represents the results of 270 individuals are saked which evening news they watch most often. Viewers ABC NBC CBS Other Men 30 20 40 53 Women 50 10 20 45
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4. At Max's Munchies, caramel corn worth $2.50 per pound is mixed with honey-roasted mixed nuts worth $7.50 per pound in order to get 20 lb of a mixture worth $4.50 per pound.How much of each snack is used?Round to the nearest cent. Explain your process.

3. At current transportation costs, would you recommend adding any plant()? It so, where should the plant(s) be built and what line(s) should be included? (Note: You can assume that the Melbourne plant will be maintained at its current capacity but could be run at lower ulilization or even just one production line.) 4. Would your decision in
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Complete rounding Complete rounding below - must answer all rounding for each question for full credit. Question Number Round to Round to tenths Round to Round to to round whole/ones/ place hundredths thousandths nearest integer place place 20 a) 3.74152 20 b) 3.02215 20 c) 2.73821
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One8.3 8.3 ounce can of Red Bull contains energy in two forms:27 27 grams of sugar and80 80 milligrams of caffeine. One23.5 23.5 ounce can of Jolt Cola contains94 94 grams of sugar and280 280 milligrams of caffeine. Determine the number of cans of each drink that when combined will contain242 242 grams sugar and720 720 milligrams caffeine. We

1) Formulate the situation as a system of inequalities. (Let x represent the number of dinghies the company can manufacture and y represent the number of rowboats.) A boat company manufactures aluminum dinghies and rowboats. The hours of metal work and painting needed for each are shown in the table, together with the hours of skilled labor

Utilize Excel to identify the best forecast based on MAD and MAPE. Create a table with forecasting results that may be similar to the table in the "forecasting results" tab in this week's Excel file. Apply the best forecast to estimate inventory in four quarters of 2015
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2. An oil wildcatter owns the drilling rights at two widely separated locations. After consulting a geologist, he feels that at each location the probability of discovering oil if a well is drilled is 10%. A well costs $100,000 to drill, and this is a total loss if no oil is found. On the other hand, if oil is discovered, the oil can be sold for
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Let A:=[1 1 1,1 -2 0, 0 3 1] and y 0 =[1 5 0]. We seek to find the column vector x0 ?R 3 of smallest 101 0 norm such that Ax 0 is of minimal distance from y 0 , where the norm on R 3 is the usual Euclidean norm coming from the dot product. To keep the ideas straight, you should keep in mind the facts that as a linear function R 3 ? R 3 , the
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1) Solve the linear programming problem by sketching the region and labeling the vertices, deciding whether a solution exists, and then finding it if it does exist. (If an answer does not exist, enter DNE.) Minimize C = 15 x + 45 y Subject to 2 x + 5 y 20 x 0, y 0 C = 2) Solve the linear programming problem by sketching the region and labeling the

Measuring the depth of a lake: You need to measure the depth of a large lake- Since the sonar equipment is very expensive, you decide to use your friend's boat. The boat has an anchor on a 90ft line. You take the boat out to the middle of the lake on a windy day. You drop the anchor and let the wind push the boat until the anchor line is tight.
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Apple iPad list price = 799 Chain Discount = 3/1 Net price equivalent rate = (1-.3)*(1-.1)= .93 Single Equivalent discount rate = Trade Discount = Net Price =

question based on Nonlinear Optimization,Nonlinear OptimizationNonlinear Optimization \f
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How much would it cost for Chester Corporation to repurchase all its outstanding shares if new broke totaled 1% of the underlying transaction? Select: 1
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Write the equation of the quadratic function with roots -1 and 1 and a vertex at (0, -3)

2 Math 113 Summer 2016. Due Thursday June 30th Make sure to write your solutions to the following problems in complete English sentences. Solutions that are unreadable or incoherent will receive no credit. Provide complete justifications for all claims that you make. Problems will be of varying difficulty, and do not appear in any order of

16. A deposit of $2400 will earn $22.74 in 91 days at what rate of interest
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44. A construction worker dropped a hammer while building the Grand Canyon skywalk, 3200 feet above the Colorado River. Use the formula, t = h 4 , to find how many seconds it took for the hammer to reach the river. Round your answer to the nearest second
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can someone help me with this linear algebra question ~ Q2 (10 points) 1 page submitted (a) By drawing a well-labelled picture and using a geometric argument, determine a formula for the angle between two intersecting lines in [R2 given their normals. (b) Determine an expression for the angle between two hyperplanes in R". (c) Use your formula to
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Answer with MATLAB for part C showing the full workout

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