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Mathematics Questions and Answers September 11, 2021

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3. Shown below is the graph of y = f(x). Find all absolute and local maximum/minimum values of f on the interval [-4, 5]. If one of these values doesn't exist, write "DNE". Absolute Maximum Absolute Minimum Local Maxima: Local Minima
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Please help with this question: The Metropolitan Book Company purchases paper from the Atlantic Paper Company. Metropolitan produces magazines and paperbacks that require 1,215,000 pounds of paper per year. The cost per order for the company is $1,200; the cost of holding 1 pound of paper in inventory is $0.08 per year. Determine the following: a)

An initial count of the population of rabbits in an area is 150, After 2 years, the rabbit population increases to just under 300. The rabbit population is expected to continue the same exponential growth pattern for at least 5 years. Which is the best estimate for the rabbit population after 5 years

Write out the null and alternative hypotheses for the following hypothetical proposal.Carry out a one-sample Z test to determine significance at the =0.05 level. PROPOSAL Recent scientific literature has suggested a link between exposure to the endocrine disruptor Bisphenol A (BPA) found ubiquitously in many plastic materials, and precocious

6. a. Use an xinterval of 0.0001 to determine the instantaneous range of change of the function f(x)=x 4 +8 x 3 + 19 x 2 + 12x at x = 2. Give answer to the nearest tenth. b. Determine whether the function f(x)=x 4 +8 x 3 + 19 x 2 + 12x at x = 2 has a maximum or minimum at the point where x = 2. Justify your answer

For each set of hypotheses, decide whether a Type I error or a Type II error would be more serious. Explain your choice. Answers may vary. (a) H 0 The gun is loaded. H 1 The gun is not loaded. (b) H 0 The dog bites. H 1 The dog does not bite. (c)H 0 The mall is open. H 1 The mall is closed. (d) H 0 The watch is not waterproof. H 1 The watch is

70 60 50 Lung damage 40 *Series1 30 20 10 10 20 30 40 50 Number of years smoking Question 9 The regression equation calculated from the data isY=11.238+1.309%. Dra represented by this equation on the graph above
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(4). Prove by contradiction that the stationary distribution 7 for simple symmetric random walk does not exist
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Find the Expected values for each of the colors. Saeko expects that the colors sell in equal amounts Color Type Sum of Yards Black 19,762.00 White 17,649.00 Primary Colors 20.550.00 Tertiary Colors 22,687.00 Total 80,648.00 Subtract the Expected values from the observed values Color Type Sum of Yards Black White Primary Colors Tertiary Colors
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Question 7 Identify the vertex, focus, and directrix of the graph of (ac - 2)' = 8 (y - 5) O vertex (2, 5), focus (2, 7), directrix at y = 3 O vertex (2, -5), focus (0, 7), directrix at y = -2 O vertex (-2, 5), focus (2, -2), directrix at y = 3 O vertex (-2, -5), focus (0, 2), directrix at y = 2
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Should you start clustering before or after dimension reduction techniques if you build an unsupervised machine learning model to cluster your dataset samples into groups? Why? What are the most appropriate methods for clustering and for dimension reduction?

Actual Planned Sales $1,125,00 0 $1,190,000 Variable cost of goods sold $420,000 $462,000 Variable selling and administrative expenses 195,000 154,000 Total $615,000 $616,000 Contribution margin $510,000 $574,000 Number of units sold 15,000 14,000 Per unit: Sales price $75.00 $85.00 Variable cost of goods sold 28.00 33.00 Variable selling and
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13. Implement factorial Read the specification of the function factorial in the module funcs

I need calculations as well in order to understand the concept. As you are aware, your firm, the WarmUp Co., sells only winter hats and coffee mugs, at prices of $20 per hat and $10 per mug.Let H denote the number of hats you will sell this year, and let M denote the number of mugs you will sell this year.As before, you believe that... E(H) =

Question 1.1 [First Step Analysis): Consider a. robot exploring an unknown terrain for new resources. After some time, it has learned that its exploration algorithm takes it through three types of terrains [1: forest. 2: mountains. 3: swamps). Let us model the terrain exploration problem as a Markov chain {thrsa with the transition matrix .4 .5 .1
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Solve the following system of equations by substitution x + y= 5 -7x + - 7y= -35 One solution: No solution Infinite number of solutions

how many of these methods would be used in differential geometry and topology : 2 Symmetries and Similarity Solutions 3 The Method of Characteristics 4 The Sturm-Liouville Equations 5 Generalised Fourier series and their applications to PDEs 7 Laplace Transforms 8 Fourier Transforms 9 Green's Functions 10 Asymptotic methods for integral

The reliability of the Virginia SOL's is what? is (something like 0.70), and then list your source.It could also be something like Cronbach alpha of .70, and then your source.

According the Table 1 and Table 2, answer question a to e. \f\f\f
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Twenty-five percent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection. (Round your answers to three decimal places.) (a) Among 15 randomly selected cars, what is the probability that at most 5 fail the inspection? (b) Among 15 randomly selected cars, what is the probability that between 5 and

At the end of 2012, The federal debt totaled $16.1 trillion. How does the U.S. federal dept per capita compared to the U.S. per capita income of $42,693? The U.S. federal debt per capita is?"

A car rental company offers two plans for renting a car:Plan A: 20$ per day and 10cents a mile.Plan B: 40$ per day with free unlimited mileage.How many miles would you need to drive a day for plan B to save you money? A car rental company offers two plans for renting a car. Plan A: 20 dollars per day and 10 cents per mile Plan B: 40 dollars per
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Find the arc length in three-dimensional space of the helix defined by r (t) = (2cost, t, 2sint) from t = n to t= 3 TT 2
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Help please finding part a, b, and c Question 15 (3 points) Gregor wanted to know if pea plants with yellow seeds produce more seeds per pod than plants with green seeds. Gregor got peapods from 5 plants from his cousin in New Mexico who grows yellow pea plants and he got green peapods from 6 plants from his sister-in-law in Arizona. He counted
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what is an essential question for standard 3.MD.D.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters

I have collected data to examine the effects of different exercise training methods (aerobic, strength, and circuit training) as well as the effects of different training duration per session (30-min and 60-min) on cholesterol levels. I wanted to knowhow different training methods, duration, and the interaction between training methods and

function questions The reciprocai function y = % shifted down 1 unit and IeFt 4 units. 1) Note the vertical and horizontal asymptotes. vertical asymptote(s) horizontal asymptote(s) Construct a rational function that will help solve the problem. Then, use a calculator to answer the question. An open box with a square base is to have a volume of 256
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how any questions overall should be in this survey to gauge refugees feelings on the international services program

\ffrom the graph it- can be observed that the graph touches on - axis at m = - 4 Therefore , or =- 4 will be a rost of multiplicity 2 . Hence , ( x+ 4 )" will be a factor of y ( a ). Again the graph passes through in-zai's at 21 =1 and = 4. Therefore , = 1, 4 will be roots of the equation 5 ( x ) = 0. Hence ( x - 1) ( 21 - 4 ) will be factons of 3
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1.Suppose a tortoise is 2000 feet from the ocean.Each day the tortoise travels 60% of the remaining distance to the ocean.Use this information to construct a model that represents the remaining distance that the tortoise must travel to reach the ocean. Compute the remaining distance to the ocean after 4 days of travel.

. Question 1 0/1 pt sin(0) 5 , where 0 is in Quadrant III sin(20) = cos (20) = tan(20) = sin N D COS N C tan
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various fields, math has practical applications in everyday life. Basic math skills such as addition, subtraction, multiplication, and division are necessary in managing personal finances, cooking, and shopping. Understanding mathematical concepts such as percentages, fractions, and ratios is essential when making decisions such as buying a home,
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Find the dimensions of the box described. The length is one inch more than the width, which is one inch more than the height. The Volume is 268.124 cubic inches. length _____ in Width ______ in Height ______ in

2. On June 24, 1943, the former Soviet Union blocked all land and water routes through East Gennany to Berlin. A gigantic airlift was organized using American and British planes to bring food, clothing1 and other supplies to the more than 2 million people in West Berlin. The Americans had two types of'planes available. the (F4? Skytrain and the
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Assumptions Item Input Source Return Demanded by Equity (Stock) Investors 7.50% Analysis team Return on New Investment (ROI) 10.50% Analysis team Price 210.58 Yahoo Finance Current Earnings 14 9.4133 Yahoo Finance Payout Ratio 61.19% Yahoo Finance Current Dividend $ 5.7600 Yahoo Finance
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The Electric Car Corporation borrowed $3,000,000 from the Bank of Walnut Creek on October I, 202 l. The loan was from an SBA (Small Business Administration) program that required interest only payments annually at the low rate of 1.75%. At the end of 5 years. on October I, 2026 the entire loan of 83,000,000 must be repaid. In the event it is not
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How many cups are in 5 gallons of coffee? (Round your answer to the nearest cup.) 1 Type your answer... -__.___7
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Suppose that we have sampled n observations from a normal distribution and found a 99% confidence interval for a population mean. If the sample size increases and the confidence level decreases from 99% to 95%, indicate whether the interval will definitely get wider, narrower, or will not be definite either way. Assume that the sample standard

3. a. Use M(x) from Question 2 to write an inequality that describes the mass of a coin that the general could carry or roll out of the treasury. (2 pts)
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please leave explanation MPM 201 Day 2 91L! Cycle 2 Graphs ol' Parabolas 1. For each parabola, determine the equation of its graph. a) 1") 2. On graph paper, sketch the graph of each parabola. Be sure the vertex and one other point are clearly visible. a) y = -2()(-5)2 + 4 b) y 2 3()(+4)2 7 c) y = x2 + 1 d) y = -(x+2)2 e) y = 1/2 x2 - 3 W 3. A
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Use the given test scores from a chapter 2 test. Ch.2 Test: 95 66 63 82 77 83 84 74 72 86 76 77 86 97 Part A Use a TI83 calculator to create a histogram for these test grades. Part B Using Excel create a histogram for these test grades using four classes.

how do I calculate A large cubic container is used to collect rain water. The container is 2 m high. Calculate the volume of water the container could hold. (note:1 cubic metre = 1 000 litres) Select one: Q a. 8 Litres O b. 8 000 Litres O c. 800 Litres Q d. 80 Litres
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please help me with this part of my assignment Survey Assignment Create and deliver a short survey on a topic of your choice. Analyse the results, and prepare a written report, as well as a class presentation. Part 1: Survey Creation (2 days) . Brainstorm about a topic for your survey. o Think about variables you would like to examine for
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Please can you help me with the problem below Problem 10 - Challenge I extra point Finding the limit limx_.1+ f (l f (2 x1) using the graph below Figure 2.2: Discontinuous functions
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. Let x be a random variable that represents micrograms of lead per liter of water(ug/l).An industrial plant discharges water into a creek. The Environmental Protection Agency has studied the discharged water and found x to have a normal distribution, with o=0.7 ug/L a)The industrial Plant says that the population mean value of x is u = 2.0

6. Write down the dual to the following linear programming problem: Maximize z = 2x1 + 3x2 + 13 subject to C1 - 5x2 + 23
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I'm going to need help with this caculus problem. I need good explanation. \f
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Hi Class, When I get stuck on any math while completing coursework, I always use the textbook as a resources as well as the videos posted in canvas. I find this method to work for me since I always find the help I need using these resources however sometimes I will find other youtube videos on statistics to help if I am really struggling. An

Realiza un prototipo con la aplicacin Axure. Se debe poder visualizar en dispositivos mviles. Para ello has de contemplar una resolucin optima para mvil, por ejemplo, un espacio de trabajo de 375px x 667px

Order these states from those whose trade revenue represents the highest percentage of total state revenue to those whose trade revenue represents the lowest percentage of the state's revenue. Start by choosing the first item in the sequence and clicking, dragging, or using your keyboard to select it. HawaiiFloridaKentuckyCalifornia

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Hello I have a question about probability problem. Problem B: Failures of a testing instrument from contamination particles on the product follow a Poisson process with a mean of 0.38 failures per an 8-hour shift. a) Find the probability that the instrument does not fail during a shift. b) Find the probability that there are more than 3 failures
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How to calculate the test statistic and the p level. details will be helpful Population 1 Population 2 Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. n 25 20 (a) Test whether , > H2 at the a = 0.01 level of significance for the given sample data. 45.1 40.9 S 6.2 11.6 (b) Construct a
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Matt borrows $216,000 for a home mortgage. The mortgage is for 26 years at 3.89% interest. If Matt makes an extra principal payment of $270 per month, how much will he pay in total interest over the life of the loan? Group of answer choices $127,659.07 $522,248.06 $86,763.48 $302,763.48

17. Measurement The base of a triangle is 2 cm more than the height. The area of the triangle is 5 cm . Find the base, to the nearest tenth of a centimetre

Let y(t) represent your bank account balance, in dollars, after t years. Suppose you start with $90000 in the account. Each year the account earns 4% interest, and you withdraw $5000. Write the differential equation modeling this situation. dy / dt= ___________________ y(0)= ________________

Ty3,4 3. The equation my3 + 10m + 9 = 0 is said to be in radical form, because making the substitution u= results in a new equation that is quadratic. 4. Consider the equation (4x + 1) + 4(4x + 1) + 4 = 0. If the substitution u = is made, then the equation
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9. A restaurant orders non-perishables every week. The restaurant uses 8# of cous cous each week, and management wants a safety net of 4# of cous cous in inventory at the end of each order period. If there are 3# of cous cous on hand currently, how much cous cous should be purchased for the next week (periodic inventory system)? YOU MUST SHOW YOUR

Define a Surjective function for each of the following Cartesian Products : (04 points) a. Integers X Naturals b. Naturals X Naturals c. Odds X Odds d. Naturals X Odds Also, describe why the functions are surjective in each scenario.

1. Evaluate the derivative of the following function. y(x) = In (4x - 1) 2. Evaluate the derivative of the following function. VIn x
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Shelly provides a loan for a nominal rate of 14%. She believes for the period will be 4.72%. What is the anticipated real rate she will earn on this loan

Calculate Unit Profit for each product (in cells B8:18) and Total Profit (in cell B19)
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In this edition of a make-believe problem involving test preparation and outcome, n = 20 students are randomized to two groups, one of which receives a smart pill supplement, with the other receiving a placebo. The code below was used to obtain the output that follows. proc reg ; model y= supp z/ ss1 ss2; run ; Analysis of Variance Source DF Sum
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THE MEAN VALUE OF LAND AND BUILDINGS PER ACRE FROM A SAMPLE OF FARMS IS $1300, WITH A STANDARD DEVIATION OF $300. THE DATA SET HAS A BELL-SHAPED DISTRIBUTION. ASSUME THE NUMBER OF FARMS IN THE SAMPLE IS 79. A. USE THE EMPIRICAL RULE TO ESTIMATE THE NUMBER OF FARMS WHOSE LAND AND BUILDING VALUES PER ACRE ARE BETWEEN $700 AND $1900

Please show your working clearly that's readable as it will help me understand better. Thank you! Part A Consider the linear system a. Find the eigenvalues and eigenvectors for the coefficient matrix. *1 Ii:r b. Find the real-valued solution to the initial value problem Use t as the independent variable in your answers. MU) = l:l 920) = l_l _.
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Your friend sends out a chain letter e-mail to 12 people and by the next day 15 people have received the letter. Assuming an exponential growth pattern, how many new people receive letters on the 30 th day?

The landlord is very concerned about prospective tenants. Which of the following would be permissible instructions for you to follow a. The rent is $1000 per month and there will be an additional charge of $50.00 per month for each child b. The landlord will permit occupancy by a couple with only one child in a two bedroom apartment c. There is an

A box with a square base and no top is to be made from a square piece of carboard by cutting 2 in. squares from each corner and folding up the sides. The box is to hold 10082 in 3 . How big a piece of cardboard is needed? The square piece of cardboard needs to be inches on each side.

Related to Regression Mathematical Modeling: Why the magnitude of error reduces if we use two observation vectors (such as x1 and x2) instead of one? Explain using geometry please.

A health educator was interested in determining whether college students at her college really do gain weight during their freshman year. A random sample of 5 college students was chosen and the weight for each student was recorded in August (the beginning of the freshman year) and May (the end of the freshman year). Does the data below suggest

1. y= a cos ( x 2 +b ) a . Isolate a and find the general equation b. Isolate b and Find the general equation 2. General solution OF the differential equation amongturkey . x2 dy - ( 4x 2 + 7 xy + 2 yz ) dx = 0 using separation OF variables or Homogenous Equation s. 3 . ) Differential Equation of the Family of circles with center on the line y=-x
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Solve your given set of Simultaneous equations (with 3 variables) Using matrix $ cleterminant method - atb+2c= 11 3atb- 2c = - 9 29 + 36+C = 8
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Given the following matrices A and B, find an invertible matrix U such that UA = B: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. -6 -4 9 21 14 -28 A = 9 6 -10 B = -6 -4 9 -8 -2 -9 -8 -2 -9 0 0 0 U = 0 0 0 0 0 0
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How do the measures of central tendency (mean, median, and mode) differ from each other?

14.9 this is chance strategy and choice problem. Pls do step by step solution of every subpart. what information you need please specify. 14.9 Consider the following hands of Five-Card Stud. In each example. the pot is CIIITBny $100,000. Your opponent has just bet $50.00) more. Compute your expected value for calling your opponent's bet. Use the
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LINES AND FUNCTIONS Vertical line test For each graph below, state whether it represents a function. Graph 1 Graph 2 Graph 3 24y -2 Function? Yes ONo O Yes O No Yes No Graph 4 Graph 5 Graph 6 4 Yes ONo Yes O No O Yes O No Function? X
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The following problem refers to an arithmetic sequence. If the eighth term is 37 and the thirteenth term is 62, find the term a1, the common difference d, and then find a23 and S23. a1 = d = a23 = S23 = Get Help: eBook Points possible: 1 License
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Book Pages (x variable) Price (y variable) A 510 $7.50 B 624 $8.25 C 557 $7.75 D 650 $8.50 E 532 $7.65 F 600 $8.00 G 472 $6.75 According to thetrendline, if the x variable was 592 , what would the y variable be?

you select a sample of 100 and find a mean of 60 and a standard deviation of 12. What is the standard error of the sample mean? 0.5 12 0.6 1.2

You are the brand manager for Munch-a-Bunch cereal. Despite $1m in annual profits for the brand, your boss still thinks that you can do even better with a new and improved cereal. She estimates that annual profits for such a cereal are equally likely to be $0.5 m, $1.1 m, or $1.8 m. Take the time to solve this Should you introduce the new and

si en la actualidad vende $950 ,0 0 0 por m es teniendo una inversion en A kam aide $ 1,350 por mes teniendo un margen de error del 5 %
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Interpretation of this homework to solve? 21. The following estimated regression equation was developed for a model involving two independent variables. y = 40.7 + 8.63x, + 2.71x2 After x2 was dropped from the model, the least squares method was used to obtain an esti- mated regression equation involving only x, as an independent variable. y =
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2. Donkey:r Kong is competing in a shot-put challenge at the Olympics. His throw can be modeled by the function hit} = 5F + 3.5t + 1.8, where h is the height. in metres, of a shot putt seconds after it is thrown. Determine the remainder when hit] is divided by {t 1.4}. What does this value represent? [Hint: Use the quotient form hit} = {t - 1.4}
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Question 25: If {u, w, wi) is a linearly independent set in a vector space V, then there exists c, c ( IR such that u = cu + equi. (a) True [b) False Question 26:1 If the solution set of AT = bhas vector equation = = d + cit + + chuk Cy. ...Ck ( R. then the solution space of A = 0 is spanned by {d , #1, . . ., vik). (a) True (b) False Question
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For this question, you will need to analyse data found in the data file df.csv (Dua, D. & Graff, C., 2019). Download the data set by clicking on df.csv and then save it in a relevant location on your PC. You will then need to import your data into jamovi (Sci/Health students) or R (Data Science students). The two columns (variables) in df.csv
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Task 2: A hypothesis test for a proportion We are foremost interested in whether individuals in the Pima tribe are more likely to test positive for diabetes than the broader population. The CDC estimates that approximately 12% of US women are living with diabetes. Use this figure as the basis to test the following hypotheses: Hop = 0.12 vs Ha:p
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NEED HELP WITH THIS QUESTION. Review Calculus I: Problem 30 Previous Problem Problem List Next Problem (1 point) Given that 5
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Read the paragraph and complete the statement which follows: The weather service indicated that the city had received three inches of precipitation in the month of January and that the temperatures had been ten degrees below normal. Snow, sleet, and freezing rain were forecasted for the last week of the month. January weather had been unusually

Which of the following is a function of a rhizosphere? Group of answer choices (I Support and anchor the plant. (1 Resevoir for water, oxygen, and essential plant mineral nutrients. (I Substrate for interactions with other organisms. (I All of the above
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Please solve using long division and show work he was still a child She was also lines that make Name Danny Mercedes Long division practice-Day2 X.3= x3 Divide: x' - 4x ' + 2x +5 * 2 - 2x - 2 Quotient x3 - 4x2 +2x +5 (x 2-2x- 3)+ -2 x - 2 * 3 - zx 2 - zx '+ z x - Zx2 +4x - zx 45 12 x 2- 2x+6 - 23 Divide: 2x' +4x3 -5 - zx fy * +3 x '. 2 x = 2x ? 2
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Variance: Group of answer choices is a measure of dispersion tells us about how far any given score in the population can be expected to be from the mean is calculated by dividing the SS by the sample size is biased when calculated by df

Consider the chart below of living arrangements. What is the probability that a randomly selected person will have a condo and be married?Write the answer as a decimal to the thousandths place, then convert that decimal answer into a percentage. 3 points Apartment Condo House Total Single 206 62 34 302 Married 61 50 122 233 Total 267 112 156 535

2 companies sell cars. Company A's cars have a mean life of 4.7 years with standard deviation of 0.5 years, while B's cars have a mean life of 4 years with standard deviation of 0.7 years. What is the closest to the probability that a random sample of 25 of company A's cars will have a mean life that is at least 1 year longer than that of a random

The rule of multiplication states what? Group of answer choices No answer text provided. During a coin flip, the odds of getting 2 tails is 1/2 the odds of getting heads The chance of two or more independent events occurring together is the product of their chances occurring separately The expected phenotypic ratio is dependent the chance of 2 or

Describe the POPULATION pyramid of the TWO countries in early 2019. \f\f
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1.List three (3) pieces of legislation that provide favourable employment conditions for your role as an Early Childhood Educator.

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