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Mathematics Questions and Answers April 28, 2023

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I can venmo more money but I really need to know how to find the multipart function and the domain not like the actual answer of how long it takes her. 2. Anna is searching for buried treasure. At noon, she starts walking due East at 2 km per hour. She walks due East for 3 hours, and then turns and walks due North at 3 km per hour for 1 hour. She
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A 95% confidence interval for a population mean is determined to be 100 to 120. For the same date, if the confidence coefficient is reduced to .90, the confidence interval for a a. becomes narrower. b. becomes wider. c. does not change. d. becomes 100.1 to 120.1
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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. Question 3 (20 marks) Let =x y+2xz' +zy' be a scalar field, (a) find Vo and div (Vo); (b) find the directional derivatives of $ at the point (1, 2, 0) in the direction of the vector (6 marks) a = 3i
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(Show your solutions) 1.Referring to figure 1, find the following given that ?1 = 40 and ?5 = 150 a.angle opposite to ?1 b.angle opposite to ?4 c.TRUE or FALSE: ?6 d.TRUE or FALSE: ?1 + ?2 + ?3 = ?4 + ?5 + ?6 D 3 F N A 1 5 4 C 5 E 4 B Figure 1
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Exercise 1.2.7: Expressing a set of conditions using logical operations. Abou Consider the following pieces of identification a person might have in order to apply for a credit card: B: Applicant presents a birth certificate. D: Applicant presents a driver's license. M: Applicant presents a marriage license. Write a logical expression for the
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sir please give me answer as soon as possible, and don't change the values of matrix. Q Find a basis for the subspace of R 3 which is spanned by the columns of 3x3 matoin, a 1 9 4 2 2 12 9 4/ 2 0 1 0 43 also find rank
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Suppose that you are considering two different 5G data plans. Plan A has a fixed cost of$35 each month, plus $15 for each gigabyte of data you use. Plan B has a fixed cost of$75 each month, plus$5 for each gigabyte of data you use. Which data plan is best and under what circumstances? Explain your thoroughly using tables, equations, graphs, or

Give the equation of a line that has no y -intercepts one x -intercept and one y -intercept an infinite number of x -intercepts. a slope of 2.

For a givengeometric sequence, the1 st term,a1,is equal to2381,and the6 th term,a6,is equal to69.Find the value of the8 th term,a8.If applicable, write your answer as a fraction.

Simple and Compound Interest Paper 1 1. Astrid invests 1200 euros for five years at a nominal annual interest rate of 7.2 %, compounded monthly. (a) Find the interest Astrid has earned during the five years of her investment. Give your answer correct to two decimal places. (3) Helen invests 1200 euros in an annual simple interest scheme for five

Let f ( x ) =1/ x 3and g ( x ) =1/ x 4. Determine the domain of the composite function. (Enter your answer using interval notation.) g f= Find the composite function. ( g f )( x ) =

I need help figuring this out please refer to the screenshot thank you in advance! Module Six Discussion Question: Solve the problem below. For your initial post in Brightspace, copy the description of your company given in the box below and then enter your solution to the four questions below. To copy the description of your company, highlighting
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PROBLEM 3: A large department store operates 7 days a week. The manager estimates that the minimum number of salesperson required to provide prompt service is 12 Monday, 18 for Tuesday, 20 for Wednesday, 28 for Thursday, 32 for Friday, 40 for Saturday, and 40 for Sunday. Each salesperson works 5 days a week, with two consecutive off-days staggered
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Find the 5th and 95th percentile of cycle times. Find the interquartile range. Find the probability the cycle time for a randomly selected truck exceeds 62 minutes. If you are given the cycle time exceeds 55 minutes, find the probability the cycle time is between 60 and 65 minutes
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(40 points) In each part, use the given method to prove/ disprove the statements: (a) (5 points) Disprove the following statement by nding an appropriate counterex- ample: For every real numbers :13, y, and 2, if a: > 0, y > O, and z > 0, then 10'3z+a:2+y2+z2 s (m+y+z)2. (b) (5 points) Use the method of exhaustion to prove the following statement:
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la Define the term LINEor Independent for an Index set of vectors V -. " Vp IN 1 R" b Prove that if a set of vectors {v,,..., ToJ contains the zero vector it is linearly dependent C Prove that the set of vectors is linearly independent, in two Ways
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Please help with the following: Last week, a certain drug manufacturer ran a small drug trial. Let U be the set of patients who participated. In this trial, some people experienced certain side effects. Let D be the set of patients who experienced dizziness. Let H be the set of patients who experienced headaches. Let S be the set of patients who
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I have gotten 2 different answers=both wrong. Mary is a sales person for Challenge Furniture. She receives an incremental commission based on the table below. If she sells $28,000and has already received a draw of $766.15, how much commission is still owed to Mary? Level Sales volume Commision Rate 1 $1-11,700 3.9% 2 $11,701-21,200 4.3% 3 Over

Use a tree diagram to solve the following problems. For a real estate exam the probability of a person passing the test on the first try is .70. The probability that a person who fails on the first try will pass on each of the successive attempts is .80.What is the probability that a person passes the test in at most three attempts?

In your lab, a substance's temperature has been observed to follow the function T(x) = (x + 5) 3 + 7. The turning point of the graph is where the substance changes from a liquid to a solid. Using complete sentences in your written answer, explain to your fellow scientists how to find the turning point of this function. Hint: The turning point of

Determine if the following statement is true and either prove it or provide a counter example: "For all integers x, n , there exists an integer y such that x+y 0(mod n) ".

3)Solve the inequality.Write the answer using both set-builder notation and interval notation. Graph the solution set on a number line. x-5 > 8

Graph each function by starting with the basic graph and its key points and using the techniques of shifting, stretching, and/or reflecting. Describe the techniques you use to graph ????(????). This problem will be graded on accuracy. (4 points each). a. ????(????) = (???? 2) 2 + 4 b. ????(????) = 3x

You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. You will have no access to any electricity, but you must be able to illuminate the entire grounds. You know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. Suppose the

The diameter of a hydrogen atom is about 1.04 x 10 to the 10th powermeters. A protein molecule has an overall length of 2000 times (or 2 x 10 to the third powertimes) the diameter of a hydrogen atom. What is the length of the protein molecule, in meters, if it were written in scientific notation?

Can you give me a geometric explanation of the intersection line of two planes?

An oil refinery produces gasoline, jet fuel, and diesel fuel. The profits per gallon from the sale of these fuels are $0.15, $0.30, and $0.10, respectively. The refinery has a contract with an airline to deliver a minimum of 20,000 gallons per day of jet fuel and/or gasoline. It has a contract with a trucking firm to deliver a minimum of 50,000

If circle C' passes through the center O of the circle C, and if a diameter of C meets the common chord of C and C' at point P and meets the circle C' at point Q, show that P and Q are inverse points with respect to C. Draw the figure as described. Please provide proof as well.

Consumers in Shelbyville have a choice of one of two fast food restaurants, Krusty's and McDonald's. Both have trouble keeping customers. Of those who last went to Krusty's, 65% will go to McDonald's next time, and of those who last went to McDonald's, 85% will go to Krusty's next time. ( a ) Find the transition matrix describing this situation.

A bottle of liquid pool chlorine has a recommended daily dosage of 12 ounces per 10,000 gallons of water.At this rate, how many ounces would be needed in a 22,000 gallon pool?

Two water pipes together can fill a certain tankin8.40h.Thesmaller pipe alonetakes2.50hlongerthan the larger pipe to fill that same tank.How long would it take the larger pipe alone to fill the tank ?

Tuskegee University Department of Mathematics Math 108 Bonus Problems Spring 2016 Page 1 of 3 Part I. Multiple Choice - Circle the correct answer for 4 points each. 1. Solve the triangle ABC shown below . If necessary, round the answer to the nearest tenth. C a 20 b 120 A B 2m 2. In the triangle ABC shown below. If necessary, round the answer to

Need help please File Edit View History Bookmarks People Tab Window Help 7 Reflections LIA - Edited $ 82% Sa T om Add Page Insert Table Chart Text Shape. Media Comment Collaborate Format Document . . Percentage Calculator Chapter 3 Quiz - MAT 10 X GTo determine the number X SP Make Images, Videos and x W WordCounter - Count Wc x + C
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Please help with the following: Peaceful Travel Agency offers vacation packages. Each vacation package includes a city, a month, and an airline. The agency has 2 cities, 2 months, and 3 airlines to choose from. How many different vacation packages do they offer
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(a) Suppose that K = (a, b) is a key in an Affine Cipher over Z n . Prove that K is an involutory key if and only if a-i mod n = a and b(a + 1)=0 (mod n). (b) Determine all the involutory keys in the Affine Cipher over Z15. (c) Suppose that n=pq, where p and q are distinct odd primes. Prove that the number of involutory keys in the Affine Cipher

A can of soda at 66.F. is placed in a refrigerator that maintains a constant temperature of 36.F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) = 36 + 30 e-0.058t Find the temperature of the soda 12 minutes after it is placed in the refrigerator. (Round to the nearest degree.)
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Question 1 1 nut-Df'l points In practice {in the real world], ENF violations are more common man EMF violations
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For the line of best fit (regression line), please explain the meaning of aslope of 0.035620223. The equation of the line of best fit (regression line) is y =7.6264x - 14641, and R^2 = 0.2717.

Factor: x2 + 25 Use the Binomial Theorem and Pascal's triangle to expand (x + 2)4. Given the function. f(x) = x3 5x2 + 9x 45, determine the number of roots and identify them. Explain the closure property as it relates to rational expressions. Give an example and simplify it to prove closure. \f\f\fx +1 x+2 After 2 3X have been combined using the
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1. Use the data from the table to create a line graph on the axes below. Be sure to title and label your graph. Include a key/legend to distinguish between countries' data. Life Expectancy at Birth, in years Year Tanzania Chad 2004 55.161 47.848 2005 56.196 48.054 2006 57.218 48.349 2007 58.209 48.729 2008 59.156 49.182 2009 60.048 49.691
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Here is the question \fConsider the ODE dy/de = f(x, y), with y(0) = 0. Suppose that the second order Runge Kutta method is used to obtain the solution for y(x = 1), dividing the interval into N subintervals. Suppose that N is large and consider the error on y( = 1). By what factor does this error decrease when N is increased by a factor of 10? [
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11. Go back to the main data set at the top of the 411:} Car Data: worksheet and add subtotals for each Chang in Model to calculate the average for the following: hit Pollution Score, City MPG, HWY MPG, and Cmb MPG
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how would I calculate? to get the answer 7. Amazon is worth $3000 a share right now . If you own 60 shares and Amazon does a 3 for 1 spit: 1) How many shares do you own? What is all of your shares worth now
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Loggerhead turtles reproduce every 2 to 4 years, laying approximately 120 eggs in a clutch. Using this information, we can derive an approximate equation to model the turtle population. As is often the case in biological studies, we will count only the female turtles. If we start with a population of one female turtle in a protected area and

Question 11) triangle ABC, a=31, b=22, c=18. Identify m

From the video link below, share your thoughts about what you have learned after watching the said video. https://www.youtube.com/watch?v=V6yixyiJcos

A 35 year old patient weighing 176 lbs has been prescribed a dopamine drip to run at 2 mcg/kg/min. The solution concentration is 400 mg dopamine in a 250 ml bag of D5NS. It will be infused with a micro drip (60gtt/ml). What flow rate will be needed? The answer is 6 gtt/minute, but I have no idea how they got this answer. Could you please help?

find a polynomial f(x) of degree 4 that has the following zeros. -1,-8,0,2

A phone company offers two billing plans for local calls: Plan 1: $25 per month for unlimited calls. Plan 2: $13 per month plus $0.06 per call. Find the minimum number of calls for which Plan 1 will be more economical than Plan 2. Note: The answer I got is 200 just need to make sure I got the answer correct.

General linear Group over real numbers ()={()det()0} Suppose, we now replace real numbers with integers modulo 2, i.e. with 2={0,1} How many elements 2(2)has? This is the set of all 2x2 matrices with entries in 2. Show that 2(2) forms a group under addition modulo 2. Clearly specify inverses and identity. Is this group abelian?Compute the order of

One coin is tossed and one card a jack, queen, king, or ace of spades - is selected at random. a) Use the counting principle to determine the number of sample points in the sample space b) Construct a tree diagram illustrating all the possible outcomes, and list the sample space. c) By observing the sample space of the coin and card, determine the

. [1|] points] Determine whether the statements are true or false. a] Every line in R\" is a onedimensional subspace. b} If a quadratic form is indefinite. then the associated symmetric matrix is not invertible. c} If A is a diagonalixable n. x n. matrix, then rank{A} = n. d} If A is an orthogonal matrix, then the largest singular value of A is 1.
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4. Supongamos que esta asesorando a una empresa chilena en cuestiones financieras corporativas y que no cree que el mercado de valores chileno sea eficiente. Recomendaria la maximizacion del precio de las acciones como objetivo? Si no, ique recomendaria
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2.7 Hello I really need tutors who can answer these 10 items. Please. With solutions. Thank you 2.7 EQUATIONS OF VALUES As discussed in Chapter 1, the value of money at any given time depends upon the time elapsed since the money was paid in the past or upon the time which will elapse in the future before it is paid. Two sets of Obligations can be
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A credit union entered a lease contract valued at $7900. The contract provides for payments at the end of each quarter for 5 years. If interest is 6.4% compounded quarterly, what is the size of the quarterly payment? The payment is $

1. Consider the transformation T : P2 - R3 defined by P(0) T(p(t)) = p(1) P(2) la. Show that T is a linear transformation. 1b. Find the matrix for T relative to the bases B and & where B = { 1, t, to } and & = {e1, e2, e3). 1c. Find a basis for the kernel of T. (Hint: this is another name for the null-space of the transformation.) 1d. Find the
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1.Let A be a m x n matrix. then dim{xR^n: Ax=0} = n- rank(A), true or false 2.Let T: R^4->R^2, is T surjective or injective or neither? 3.Let Tr : M_n(R)-> R be the trace Tr(A)= A_11 +A_22+...+ R_nm. the kernel Tr has dimension? 4.Let V be any real vector space and T:V-> V be the linear map T(v)=-v=(-1)v. The dimension of the kernel T is? 5.Let V

A property was purchased for quarterly payments of $1070.00 for 9 years. If the first payment was made on the date of purchase and interest is 5.57% compounded annually, what was the purchase price of the property?

10. Browse the list of student credit cards. What do you notice about the credit needed and the Regular APR on such cards? Do you see any advantages or disadvantages for having such a card
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Amdm help. Thanks According to a recent 2020 government study, the average 4-year education at a public college or university will cost about $8,944 per year with a margin of error of 16.2 %. There is also an added technology fee of $100 and meal plan of $800. What is the minimum average cost of tuition PLUS the technology fee and meal plan added?
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6. Find one (non-zero) series solution of xy" +y = 0 valid for x > 0 near to = 0. Express the coefficients in the series in terms of factorials
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1.! 2. Assume that the agreed-upon price is $90,000. What is the expected profit on the contract assuming that it brings in 20 new patients? (Assume for now that no new fixed costs would be required.)
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Mr. Tuchtie is building a new house at (9, 12) on a grid. He needs to connect to the already existing sewer system. If the system runs from (1,-2) to (12, 31). How long will his connection line be to the sewer if he makes it as short as possible(assume all distances are in meters). (7 marks)
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Can someone please help with t Express in terms of sums and differences of logarithms log V c''d log V CO
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PART C. AsSet ments Each circle below repres its the field of view any of the cellular structure cen through the microscope. In each circle, s ohserved, and indicate the magnification of each sketch. Alongside your sketch. would puli! In your understanding of the structure and functions
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. Find the mean and median amount of gas in the tank. . Find the variance and standard deviation of gas in the tank. . Find the probability that there is more than 3 gallons in the tank. . Find the probability that there is between 4 and 6 gallons in the tank. . Find the probability that there is exactly 3 gallons in the tank Find the 80th
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g (b) Solve the LP mode] using Microsoft Excel Please provide the Answer Report and the Sensitivity Report and state the assumptions you have made and present the relevant advice to the Operations Manager
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On a graphing tool, move sliders for y=k sqrt(x) and y= sqrt(kx). Find a value of "k" where the graphs coincide. At what value of "k" does this occur? What happens to each of the equations when "k" is negative?

Express each of the given numbers in Egyptian hieroglyphics. (a) 1492. (d) 70,807. (b) 1999. (e) 123,456. (c) 12,321. (f) 3,040,279

A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of4.00m/s, and her takeoff point is1.80m above the pool. (a) How long are her feet in the air? s

Let (a 1 ,a 2 ,a 3..., a n ) be a sequence of integers. Question 1: Write an algorithm that, starting with the sequence of the positive integers, either constructs a tree with this degree sequence or concludes it's not possible.

What are three purposes for ordering IV solutions? What are five types of equipment needed for all IV infusions? What is the one calculation that is needed for all infusion rates? If a flow rate is 50 mL per hour using amicro drip(pediatric) set, how many drops per minute will I set? (Use mental arithmetic)

Can you help me to solve exercises from 5 to 8 ? Thank you very much. 5. Among all pairs of numbers whose sum is 14, find a pair whose product is as large as possible. What is the maximum product? 6. Consider the function f(x) = x - 5x2 - 4x + 20. a. Use factoring to find all zeros of f. b. Use the Leading Coefficient Test and the zeros of f to
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A catering service offers 11 appetizers, 9 main courses, and 6 deserts. A customer is to select 3 appetisers, 7 main courses and 2 desserts for a banquet. In how many ways can this be done

Can anyone help me with these questions and see if I did them correctly? Please read the questions carefully. \fSolve the system by the addition method. Be sure to check all proposed solutions. - 9x + 5y = - 11 3x + 4y = - 19 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. There is exactly one
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I need help with questions 1-15 given in the pictures below. For Exercises 1-4. find the sum of the interior angles and the measure of each interior angle for the given regular polygons. Round to the nearest tenth as needed. 1. iZ-gon 2. 102-gon 3. Q-gon 4. 36-gon For Exercises 5-8. given the measure of an interior angle of a regular polygon. how
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Sam is playing with his slingshot and launches a rock straight up in the air with an initial upward velocity of 120 ft/sec. Gravity slows the rock's upward velocity and it eventually changes directions and falls back down to the ground. The height of the rock is defined using the function h(t) = -16t 2 + 120t. What is a reasonable value of the

Unbounded solution. Use an example to show why there may be no optimal solution to a linear programming problem if the feasible region is unbounded. In your post, explain your strategy for creating the example that you did. What would have to change for the unbounded feasible region to have an optimal solution?

Find the exponential function that contains the points(0,5) and(2,20) .

The revenue for restaurants is the equation R = 12.5n + 180.0, and for supermarkets can be modeled by the equations S = 6.5n + 245.5, where n is the number of years since 1986 and revenue is in billions of dollars. Estimate the first year that the restaurant revenue will exceed supermarket revenue by at least 150 billion dollars

Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of6.0cm per year. (a) What distance does it move in50seconds at this speed? m (b) What is its speed in miles per million years? mi/My

Find the exponential function that contains the points(2,48) and(3,192) f(x)= .

1) The Alpha company has 189 employees that share an office that has 32 floors. If they built another building for 50 employees, how high should they make the new building? Round to a whole number of floors. 2) Two out of every five people who buy ice cream buys vanilla ice cream. If a store sells 65 ice cream cones in one day, about how many will

Camille is flying to Salt Lake City to visit her grandmother. She will arrive at night and rent a car to drive 26.5 miles to her grandmother's house. She will spend three days with her grandmother and then drive 26.5 miles back to the airport to fly home. Camille has budgeted $240for her car rental. Camille and her grandmother want to visit a

5. Using the same row and column headings, create a combined table for the Congress (template created for you above - you can just fill in the table I already created) 6. A member of Congress is selected at random. Use the combined table to find the probability of each event. a. The member is Independent b. The member is female and a Republican c.
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Solve this question using excel solver ?? Allocation of Aircraft to Routes. Consider the problem of assigning aircraft to four routes according to the following data: Capacity Number of Number of daily trips on route Aircraft type (passengers) aircraft 1 3 50 30 20 10 U & W AWN Daily number of customers 1000 2000 900 1200 The associated costs,
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Hello I need help with his 8.) "Herd Immunity" is achieved if a large enough percentage of the population contract the virus, letting their natural immunity develop antibodies, and thus making it difficult for the virus to further spread to the more vulnerable members of the population. It is estimated by some that if roughly 67% of the population
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4. Site D is to be added to the Voronoi diagram shown. 3 a Explain why you would expect this addition to affect A all of the existing cells. b Redraw the Voronoi diagram with site D added. -3 Find the area of cell D. 3 D CI B
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ACTSC 446 Mathematical Models in Finance Example 4.2. (Asian put option) Determine the value of a European put option on the arithmetic average of the price of a stock with current price $22, strike price $22, continuously compounded risk-free rate 7.5% per year, volatility 25% per year, and time to maturity 3 months. The arithmetic average uses
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I am so confused CHAPTER 10 REVIEW BC is a radius of circle C and AB is tangent to circle C. Find the value of r. 96 4 2. 108 100 45 56 32 32
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PLEASE HELP ASSESSMENT Multiple Choice: Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1. Two consecutive angles of a parallelogram have measures (x + 30): and (2x - 15)]'. What is the measure of the smaller angle? A. 45' B. 85: C. 95: D. 105: 2. The diagonals of an isosceles trapezoid are represented
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please help The graph shown is that of a function. Determine (a) f(4); (b) the domain; (c) all x-values such that f(x) = 3; and (d) the range. (a) 4) = D (b) The domain is E. (Type your answer in interval notation.) (c) f(x) = 3 when x z D. (Round to one decimal place as needed. Use a comma to separate answers as needed.) (d) The range is El.
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Prob 3. Let TEC ( V ). Show that ( 0 , 20 ) : = ( T'U , 20 ) is an inner product on I' if and only if I' is positive ( per our definition of positivity ) . Prob 4 . We already know ( how ? ) that the operator I = _ DZ is nonnegative on the space V : = span ( 1 , cos * , sin 20 ) over IR, with the inner product ( 8 . 9 ) : = / 8 ( 10 ) 9 ( 20 ) do
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Write the quadratic function in standard form. f(x) = x^2 6x f(x)=

Given the series 6+9+14+21+30+41. Write the sequence of partial sums. (3 pts)

how do you solve for slope, slope intersect and x and y values in linear equation? . . I am doing Algebra at Rasmussen college credit by assessment

A 1. A ball is thrown vertically upward from the top of a building 160 feet tall with an initialvelocity of 48 feet per second. The distance d (in feet) of the ball from the ground aftert seconds is d(t) = 160+ 48t -16t 2 2. a. After how many seconds does the ball strike the ground?The answer will be in a complete sentence with proper grammar and

Math 012 Final Examination Answer Sheet Fall 2016 1 Math 012 Intermediate Algebra Name______________________________ Final Examination: Fall 2016 Instructor __________________________ Answer Sheet Instructions: This is an open-book exam. You may refer to your text and other course materials as you work on the exam and you may use a calculator.

Tyler made a scale drawing of his apartment. The scale is 1 milliliter: 2 meters. The living room is 6 meters long in real life. How long is the living room on the drawing in millimeters?

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