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Mathematics Questions and Answers April 28, 2023

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y=4x-+4x-15 Part A: Solve by Graphing 2. THINK about it. When your instructor asked you ( on your TI-84 graphing calculator): to "SOLVE the quadratic equation for f(x) =0" Set the calculator window so that you see the what information (in words, not numbers) did vertex, y-intercept, x-intercept(s), and it fits on the the instructor want you to
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Sketch the system of inequalities. List all vertices and identify the region as "bounded" or "unbounded." 6x + 3y 2 24 x 20 . CO WebAssign Graphing Tool List all vertices. (Order your answers from smallest to largest x. then from smallest to largest v.) (x x) =( (x x) = ( Identify the region as "bounded" or "unbounded." bounded unbounded Formulate
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A business takes out a 10-year loan for $250,000 at 5.3% interest compounded monthly. What are the formulas to calculate how much interest the business will pay in the first year and how much the business will repay toward the principal? What are the resulting values?

Find the closed form solution of an = -404-1 - 3an-2 + 4an-3 + 4an-4 with ao = 3, a1 = 2, a2 = 6, and a3 = 8
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A function g is given. Identify the parent function. Then use the steps for graphing multiple transformations of functions to list, in order, the transformations applied to the parent function to obtain the graph of g. g ( x ) =1/5 ( x + 1.3) 2 - 2.5 Select one: a. Parent function: f ( x ) = x 2 ; Shift the graph of f to the right 1.3 units,

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A high performance all-terrain vehicle (ATV) is bought at a price of $20,000. It loses 10% of its value very year. Express this scenario as a sequence recursively and explicitly (provide its general term). (3 marks) Following one side of a new street in a neighbourhood, the house numbers increase by six. The house number of the first house on the

Ayudaaaa Los puntos de esquina de la regin factible determinada por el sistema de inecuaciones 5x1+2 2 <40 objetivo

I actually have a couple of questions. A ball is fired from the top of a tower 200 feet tallinto the air with an initial velocity of 80 feet per second. a. What is the equation to represent this? b. A bird is flying close to the building 305 feet above the ground. Will the bird get hit by the ball? Use math to justify your answer. c. What is the

. In calculating common-sized ratios in a vertical and horizontal analysis, what is the base for calculating com moo-sized ratios for the balance sheet? Total assets B. Gross receipts C. Total liabilities D. Retained earnings
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Suppose that starting when you are 22, you invest $3,000 at the end of each year in an IRA (individual retirement account) with an APR of 6% compounded annually. a.How much mo ney will there be in your retirement account, at the end of the year, when you are 65? b. If you wait until you are 30 before you start saving, how much money will there be

Need help!! 1.5.27 Assigned Media Question Help of answer A rectangular piece of metal is 5 in longer than it is wide. Squares with sides 1 in long are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the box is 266 in', what were the original dimensions of the piece of metal? What is the original
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Amdm help- are these correct for sampling techniques? ch scenario into the correct sampling technique. A radio station assistant interviews participants outside of the A farmer divides his orchards into 50 subsections, randomly radio station regarding the use of American forces in selects 4 and samples all of the trees in those 4 subsections.
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I need help please! 1.Using graphing software, fill in the table below for this function f(x)= 12x 3 -5x 2 - 11x+6 x-intercepts degree of the polynomial y-intercept domain range

phillip wants to have $10,000 in 6 years, so he will place money into a savings account that pays 3.2% interest compunded weekly. How much should phillip invest now to have $10,000 in 6 years?

Solve the equation. n 4/5=3 Select one: a.{35/4} b.{35/4} c.{15 4 } {154} d.{15 4 }

Number of classes: 5 ( Make five classes ) Data set: Number of acres on a sample of small farms 334534474348356945604651416066413240443946335353 Find the class width of the frequency distribution: -------------- (a)Construct a frequency distribution using the number of classes. Include the class limits, mid-points, boundaries, frequencies,

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Question 13 Please answer accordingly to the photo attached {1' Solve the linear programming problem. Select the correct choice below and ll in any answer boxes present in your choice. What is the maximum Maximize value of P? P = 2x + 2y Subject to 2x + y S 10 (Type an integer or a fraction.) X+ 2y 5 3 O B. There is no maximum value of P. x, y 2 0
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Use Newton's method to find the second and third approximation of a root of 5sin(x)=x starting withx=2as the initial approximation.

11.) T ( x ) = 0 f.(x ) = - 5 For Problems #11-12, graph each function for the given domain. (4 points each) 11. 2x + y = 3; D= {-1, 0, 1, 2} 12. f(x) = x2 - 4 ; d = {-2, 0, 2, 4} 2x1423 2 2 12 ty = 3 11 . - Y - O _ 4 = = 2+3 - Y = 1 2 2 . 0 + y = ] 2'35. 1 + 1 - 3 22 - 4 y = 3x Y = ? 4 2 - K
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John Williams, a professional photographer, has a 6-by-8-inch photograph, and he wants to reduce the same amount on each side so that the photograph turns out to be half the area of the original. By how much should you reduce each side?

Emma has 8 yards of material. She wants to make curtains that are 20 inches wide. How many curtains can she make?

The Johnsons have accumulated a nest egg of$23,000that they intend to use as a down payment toward the purchase of a new house. Because their present gross income has placed them in a relatively high tax bracket, they have decided to invest a minimum of$1100/month in monthly payments (to take advantage of the tax deduction) toward the purchase of

5. According to your session materials the Cybersecnrity Act {the Act} was enacted on December 18, 2015, and includes a requirement for Federal Inspectors General to generate a report describing agency policies, procedures, and practices for covered systems. List three items the Act requires the report to include
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Skidmark Investigations An accident investigator is often responsible for determining the speed at which a vehicle was traveling before colliding with another object. Investigators use the formula: , where S is the speed of the vehicle (in miles per hour), c is the coefficient of friction between the surface of the road and the tires of the

Consider the following all-integer linear program: Max1 x + 1 ysubject to 4x + 6y 22 x + 5y 15 2x + y 9 x, y 0 and both integers a) Graph the constraints for this problem. Use dots to indicate all feasible integer solutions. (3 marks) b) Solve the LP Relaxation of this problem. (3 marks) c) Find the optimal integer solution including all the

En la isla Quiriquina, la poblacin de dos especies xey en simbiosis crecen a lo largo de los aos, siendo xn;yn la cantidad de individuos en el ao nde cada especie respectivamente. Inicialmente x0=2;y0=7 Se ha podido constatar que cualquiera que sea el ao n la poblacin de la especiexel n-simo ao, que correspondeal trmino central del desarrollo

Use historical dient data to derive an expectation of hotel revenue for the curren year (using occupancy rates, price per night, etc.) and compare to the amour recorded by the font
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Let h: R -> Rwhere h(x) = 2 x Why is h not invertible? Be very specific. Rewrite to make it invertible. What is the inverse? Let f: A->B and g: B->A such that f, g are 1-1 and onto.Identify (gf) -1 .Prove your result.

The"We Sell CDs" website plans to purchase ads in a local newspaper to advertise their site. They're operating budget will allow them to spend at most $3000 on this advertising adventure. An ad Will cost $30 to appear in the weekday paper and $50 to appear in the weekend edition . They plan to run at least 20 ads

Which of the following statements is an example of empirical probability? A- Madison wants to know the likelihood that her freshman roommate is from her home state if 506 of the 1500 female students in the freshman class are from her home state B-3 days catching a total of 12 fish each day and counting how many of the fish he caught are trout. His

MATH 221 Statistics for Decision Making Week 4 iLab Name: ______ MATH221 Statistical Concepts: Probability Binomial Probability Distribution Calculating Binomial Probabilities Open a new Excel worksheet. 1. 2. 3. 4. 5. Open spreadsheet In cell A1 type \"success\" as the label Under that in column A, type 0 through 10 (these will be in rows 2

The intensity levels (l) of two earthquakes measured on a seismograph can be compared by the formula log (l 1) over (l 2) = m 1-m 2 where M is the magnitude given by the Richter Scale. On April 7th, 2018, an earthquake of magnitude 4.6 hit near Perry OK, USA. On the same day an earthquake of magnitude 6.3 hit near Porgera Papua New Guinea. How

Solve x/4 = (2x/3) + (5/6) for x. Select one: a.-2 b.2 c.0 d.6 Question 2 Determine whether the lines through each pair of points are parallel, perpendicular, or neither. (6, -6) and (22, -8); (-4, -3) and (4, -4) Select one: a.Neither b.Parallel c.Perpendicular Write the equation in point-slope form of the line having the x-intercept 4 and

Let {v1, . . . , vn} be an orthogonal set of vectors in Rn, and let A be the matrix with columnsv1,...,vn.ShowthatAAT isaninvertiblediagonalmatrix. Problem 8 . Give the definition of an orthogonal set of vectors . Let ( VI . .... In' be an orthogonal set of vectors in RX, and let A be the matrix with columns VI . .... Vn. Show that AAT is an
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Please help with a 3. In each of the following cases, is it possible for A to have no real eigenvalues? If yes, give an example of such a matrix. If no, explain why. (a) A is a 2 X 2 real matrix. [b] A is a 3 X 3 real matrix. 4. Let V and W be subspaces of IR\" and let W + V = {W + v : w E W,v E V}. Prove that W + V is a. subspace of IR.\" and
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2. Consider the following planning economy problem: '00 10 C max E t t china1 t gig 1 0' such that a+h=w y: = 212k? ; and kt+l : It + (1 6) kt- In addition, lIth : ph'IZt_1 +:. Above: (3 is aggregate consumption; k: is the aggregate capital stock; E is the ex pectation operatOr conditional on the information available up and through period t
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q#2 ...... I've asked so many people. and nobody can get it right. I need some major help q#2 business math....im.tired of paying for questions and not getting the right answer and losing my money. so please help Home Depot wants to buy a new line of fertilizers, Manufacturer A offers a 21/10 chain discount. Manufacturer B offers a 26/9 chain
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Let a set A has n elements and a set B has m elements and (n

Roy is 6 years older than Crystal. In 2 years the sum of their ages will be 48. How old is Roy now?

question 1 A microcomputer manufacturing firm is about to start production of two new microcomputers, Model-I and Model-II. Each requires limited resources of assembly time, inspection time, and storage space. Currently, 100 hours of assembly time, 22 hours of inspection time and 39 cubic feet of storage space are available. A unit of Model-I and

Do you think this graph is potentially misleading because of the way it was drawn? Why or why not? \f
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q# 15......business math..... I've asked several people and everyone got it wrong. I need the correct answer because I am tired of paying for it over and over again..... so if you aren't 100% sure please don't answer. I need a correct answer...please please what I have entered is not correct. True Value received an invoice dated April 21, 2020.
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Find three consecutive even integers such that 5 times the third is 18 less than four times the sum of the first and second
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what is the wavelength of the wave with a frequency of 4x10 Hz?

Using the intermediate valuetheorem, determine, ifpossible, whether the function f has at least one real zero between a and b. f(x)=x^3+5x^2-5x-10; a=-8, b =-2

Please provide step-by-step A loan in the amount of $925 is charged simple interest at an annual rate of 7.7%.How much money is owed 7 months after the loan was made? Round your answer to the nearest cent.

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A toy manufacturer has 500 boxes of a particular toy in their warehouse located in Columbus, OH and 300 boxes of the same product in their warehouse located in Houston, TX. A toy shop located in San Francisco, CA orders 400 boxes of toys and another toy shop located in Boston, MA orders 350 boxes of toys. The shipping costs per box from the two

I have to solve the following problem: Let A R n (subset of) be a symmetric convex set, i.e., A is convex, and x A whenever x A . Furthermore, let t > 1 be given, show the following: t + 1 2 ( R n \ ( t A ) ) + t + 1 t 1 A R n \ A . What I have done so far to approach the exercise is to start by trying to asses the left hand side as if it were
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Make truth tables for each of the following propositional forms. a. (PQ)~Q b. P(Q~Q) c. P(QP) d. (~PQ)(QP) e. ~Q(QP)

Use Newton's Method with the functionf(x)=x^35and initial valuex0=1.6to calculatex1,x2,x3

A ball is thrown straight upward. The function f(t) = -16t 2 +80t describes theball's height above theground, f(t), infeet, t seconds after it is thrown. Complete parts a through c. find f (3) f(3)= please explain step by step, since i am not sure what is part b through c

Linda is looking for the best deal on a smartphone that regularly costs$849. Help her compare the price of the smartphone at a store with the price on the store's website by completing the following. (a)The store's website is offering the smartphone at a70% discount off the regular price. Ignoring tax and shipping, how much would she pay for the

The coordinates of v R^3 relative to the basis B are given by [v] B = [4; 1; 7] find [v]C, the coordinates of v relative to the basis C. 50: Applied Linear Algebra home > 4.9: Coordinatiation LE zyBooks catalog LLENGE IVITY 4.9.2: Change of coordinates matrices. Jump to level 1 -6 -4 1 The change of coordinates matrix from basis 1 to basis C of R3
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Identify the inverse, if it exists, of the given matrix by applying the row operations 1 6 a [4 -9 b] c 5 4 where a, b and c are the rst, second and third digit of your roll number respectively
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A function is given g(t) =t^4-t^3+t^2; t=-2, t=2 a) Determine the net change between the given values of the variables? b) Determine the average rate of change between the given values of the variable use f(x) =2x-3 and g(x) =5-x^2 to evaluate the expression a) please see attached b) please see attached A function is given. g(1) = 1 - 13+12; 1=-2,
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Activity 1 ("20-30 min): 1When recording live performances, sound engineers often use a microphone with a cardioid pickup pattern because it suppresses noise from the audience. Suppose the microphone is placed 3 m from the front of the stage and the boundary of the optimal pickup region is given by the cardioid , where r is measured in meters and
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3. Draw Conclusions a) What do the results indicate about the relationship between two variables? b) Do you think there is a causal relation between the variables? Explain. c) Relate the comments you made in step 1b before analyzing the data by commenting on both of the following: How your expectation differs (or do not differ) from the actual
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please solve Solve the following second-order initial-value problem. y" + 9y = cos(5t) + 26(t - #). y(0) = 0 = y'(0) O y(t ) = 1 -16 [cos(5t) - cos(3t)] + Un/2(t) sin( 3( t - 2 O y(t) = 1 -16 [cos(5t) + cos(3t)] -= -UT/2 (t) sin( 3(t - I 2 O y(t) = 1 -16 [cos(5t) + cos(3t)] - Un/2(t) Cos ( 3 t - TE O V(t) = -16 [cos(5t) - cos(3t)] + -Up/2(t) sin(
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An automobile company produces cars in Los Angeles and Detroit and has a warehouse in Atlanta. The company supplies cars to customers in Houston and Tampa. The costs of shipping a car between various points are listed in the file P14_87.xlsx, where a blank means that a shipment is not allowed. Los Angeles can produce up to 1100 cars, and Detroit

Question 3 (12 points). Let 2 2 4 3 N A = N 1 4 Compute the LDU-decomposition of A, i.e. find a lower triangular matrix L that has 1's down the diagonal, a diagonal matrix D, and an upper triangular matrix U that has 1's down that diagonal such that A = LDU
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1. A bakery has two locations (i =1,2) with the capacity to make q,: cupcakes each day. Cupcakes made in Bakery 1 can be sent directly to either of the store-front locations (j = 1,2) or through the packaging center that boxes the items. Cupcakes from Bakery 2 must go through the packaging center. The packaging center can only process P cupcakes
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Station 4: Task information - One Cycle: - With feet xed on the oor, 6 boxes are LOWERED from the stack to the right of the cart ' Assume boxes automatically move to the back of the cart via rollers (i.e. boxes will not snack on top of each other) - The cart is grasped with 2 hands and PULLED 8 metres - LIFT the 6 boxes from the cart to the 2"d
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please help Find the cosine ratio of angle O. Hint: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. (4 points) B 13 12 A
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2. FARMING. The ratio of goats to sheep at a university research farm is 4: 7.The number of sheep at the farm is 28. What is the number of goats? 10. The ratio of the measures of the sides of a triangle is 3: 4: 6, and its perimeter is 104 feet.Find the measure of each side of the triangle.

Peter is thinking of starting up a"Personal FinancialServices" consultation in his spare time. The basic office equipment will cost $2560, and the variable cost(VC) for each consultation is estimated to be $15.45. He plans to bill each client $52.00 per consultation. (a) What is thebreak-even quantity of consultations forPeter's "Personal

Hello I need some assistance with these questions. Translate into an equation. (Use x to represent the smaller number. Translate the second sentence to write your equation.) The sum of two numbers is fourteen. Four less than five times the smaller is equal to the larger. Find the numbers. (Enter your answers as a commaseparated list.) Need Help?
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I need the answer please and explanation. 10 v 11 12 13 = 15 16 = 17 18 19 The next model of a sports car will cost 6.9% less than the current model. The current model costs $54,000. How much will the price decrease in dollars? What will be the price of the next model? Decrease in price: Price of next model: X
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Solve the following system of equations. Let z be the parameter. 2x+3y-z=2 3x+5y+z=5 For the following system of equations in echelon?form, tell how many solutions there are in nonnegative integers. x+2y+z=88 7y+3z=84 For the following system of equations in echelon?form, tell how many solutions there are in nonnegative integers. 4x+3y+2z=70
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This is my sample midterm question, but my professor doesn't provide answer for this one. Can you help me out? "Show that the number of partitions of n into ` parts of size at most k is the same as the number of of partitions of k`?n into at most ` parts of size at most k?1." Show that the number of partitions of 11 into i parts of size at most A:
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There are 12 cupcakes that will be arranged in a bakery display window. 6 of them are vanilla flavored, 4 of them are chocolate flavored, and 2 of them are birthday cake flavored. Suppose that each cupcake is decorated differently. (a) How many ways are there to arrange these cupcakes in the window such that all cupcakes of the same flavor are
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Part 2: Consider the partial order with domain {3, 5, 6, 7, 10, 14, 20, 30, 60, 70} and with a
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need help with these five questions \f\fWhat is the value of n? Enter your answer in the box. 4 cm 3 cm cm 12 6 cmCalculator What is the value of n? 5 in + 4 Enter your answer in the box. n+8\f
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Can you help me with factoring x^2+2x +4 to (x_ _)(x _ _)

Use the Excel calculator to calculate the accumulated amount. Stephen sets up an IRA with an APR of 4% compounded monthly at age 26. At the end of each month, he deposits he deposits $37 in the account. How much will the IRA contain when he reaches 65? Compare the amount to the total amounts of deposits made over the time period.

3 - Suppose T : R 2 R 2 is defined by T(x) = Ax, is the transformation which takes a vector in R 2 and rotates the vector by radians counterclockwise. Determine the eigenvalues of A. (Hint: You do not need to calculate the matrix or calculations by hand.) 7- Find the B-matrix of T : P2 P2 defined by T(a0 + a1t + a2t 2 ) = 2a0 + 2a1 + 2a2 (a1 +

Regular Shirts Labor Number Time taken Time taken Content (minutes per of per shirt per batch Operation shirt) workers (minutes) (minutes) 1. Cutting 0.25 4 0.06 3.75 2. Make collar 3.9 8 0.49 29.25 3. Make cuffs 2 4 0.50 30 4. Make sleeves 0.65 2 0.33 19.5 5. Make front 2.5 6 0.42 25
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Question 3 The Gibbs Free Energy equation is given by the equation: AG = AG + RTin Q Where: AG = Gibbs Free Energy change AGO = Standard Gibbs Free Energy change T - temperature In Q - natural log of the reaction quotient In order to solve for the temperature, T, in two steps you must: Step One Add the same expression to each side of the equation
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......... Help here Statistics and Probability I Quiz #4 Correlation This Question: 1 pt 22 of 24 (17 complete) Given the equation of a regression line is y= - 3 5x + 4.8, what is the best predicted value for y given x = 9.37 Assume that the vanables z and y have a significant comolation OA. - 27.75 O B. 37 35 O C. 27 75 OD. -37 35Q: Assistance in
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can you please help me solve this problem because i get a different answer every time \f
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I need help with these questions please Level 2: Proportional Relationship 1. Find the proportional relationship between the variables given in following questions: a) X 3 5 y 30 18 The relationship between x and y is that if you write t X 4 60 y 7.5 O 5 b) X 3 1 5 y 27 54 2. Variable y is inversely proportional to variable L When X: 3, y = 24.
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please answer this for me and show work! '5. A school 1wishes to form three sides of s rectsngrdsr playground using 32H meters of fencing. The playground borders the school building, so the fourth side does not need fencing. (e) Let r be the side of the playground that is perpendicular to the school. Find a function that gives the ores Ar} of the
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What would be detailed example be in which I would need to use the Basic Counting Rule?

Melinda and Morris sell soft drinks at ball games. They charge $1.75 for each bottle. The cost to purchase each bottle of soft drink is $0.50. They estimate that they can sell at least 270 bottles at each game. To breakeven, what is the most that they can pay in fixedcosts?

A hospital dietitian prepares breakfast menus every morning for the hospital patients. Part of the dietitian's responsibility is to make sure that minimum daily requirements for vitamins A and B are met.At the same time, the cost of the menus must be kept as low as possible. The main breakfast staples providing vitamins A and B are eggs, bacon,

Please show the complete solution. QUESTION 2 2 points Save Answer Given the line 4y - 8x = -10, find the x-intercept and y-intercept. Convert your answer to decimal. Do not round. y - intercept: ( x - intercept: ( QUESTION 3 3 points Save Answer Consider the points: (1, -5) and (, 3) Determine the slope of the line and enter as reduced fraction:
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Connor says that the graph shows that water is flowing at a rate of 2 gallons per minute. Is he correct?

Question 10 (5 points) Which of the following statements would be represented with P - Q? A) If a quadrilateral has four congruent angles, then it's a rectangle. ( B) A quadrilateral with four congruent sides and four right angles is a square. c) A quadrilateral has four congruent sides and four right angles if and only if it's a square. D) If a
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find the exact value of sin o, if cos o= 4/5 and o lies Quadrant IV

Let A = {1, 2, 3, 4, 5}, B = {3, 4, 5, 6, 7}, C = {0, 1}. (a) (5 points) Find (A B) C, explicitly listing its elements. (b) (5 points) Find (A B) C, explicitly listing its elements

24. Prove that if' T . {" - #` is a one - to- one linear transformation and S' = (VI , I' ] . .... It' is a set of linearly independent vectors from # ", then ( TIVI ) , TIVE) . .... TIVE'!' is a set of linearly independent vectors from ` Hint . Begin the proof by considering the dependence test equation : [ I'll vi ) + [ ] ( " ; ) + ... + CT ( VA
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Prove or disprove the following statements: (a) For all positive integers x, y, z, x y z = (x y ) z . (b) For every integer n, if n is divisible by 2 and n is divisible by 6, then n is divisible by 12. (c) If x, y R, then |x y| = |x| |y|.

Hello, I need some help on these questions for my upcoming test. This will not be used on any assignment in any capacity, this is for personal development only. Please let me know if you have any questions. Often times people say there is missing information when I ask questions, but I assure you, there is no missing information in this question .
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