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Mathematics Questions and Answers November 25, 2022

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2. Understanding Groups: Part One. In this problem we shall derive some basic results based on the denition of groups as introduced in the lectures. Let (G, 0) be a group and let 6 be the identity element of the group. (a) (5 points) Prove that it is impossible that there exists a, b, c e G such that a 75 b but a o c = b o c. Solution
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Please refer to this regression for questions 15-18, where all coefficients are statistically significant: Sales_Clorox = 400 - 5Price_Clorox$ + 2Price_Purex$ + 12Price_HCF$- 5HCF_Display_Dummy + HCF_ Display_Dummy is 1 when the brand HCF is on display and 0 when it is not. When Purex cleaner A.raises price by 1%, sales of Clorox increase by 2%

find probability Subjects for the next presidential election poll are contacted using telephone numbers in which the last four digits are randomly selected (with replacement). Find the probability that for one such phone number, the last four digits include at least one 0.

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Proect i found on internet and i need help please working on my own i just need the final graph how it looks like Is there a linear relationship between shoe size and height?You will look for evidence using the student survey data set using the variables SHOE_SIZE_3 and HEIGHT_2. First, look at the visual evidence:create a scatterplot for the
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Men tend to have longer feet than women. So, if you find a really long footprint at the scene of a crime, then in the absence of any other evidence, you would probably conclude that the criminal was a man. And conversely, if you find a short footprint at the scene of a crime, then (again in the absence of any other information) you would probably
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Romans 12 compares the Church to: Question 6 options: A tree with many branches A stew with many ingredients A nation with many tribes A body with many and different parts

Die question distribution probability PART B: COMMUNICATION Write a short answer to the following questions. You may use words, diagrams, Pictures, flow-charts or organizers to support your answer. 1. A standard die is rolled five times and the number of 3s is noted. Explain why this would or would no a valid hypergeometric probability situation
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A scale drawing of a bedroom is shown below. The scale is 1 : 30. (HINT: This means that for every 1 inch in the drawing that represents 30 inches of the actual room) A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 4 inches. Determine the area of the actual room in square feet. Show ALL

Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 2x2, but with the given point as the vertex (5, 3) A. f(x) = (2x - 4) + 4 B. f(x) = 2(2x + 8) + 3 C. f(x) = 2(x - 5)2 + 3 D. f(x) = 2(x + 3)2 + 3 The graph of f(x) = -x2 __________ to the left and __________ to the right. A. falls; rises B. rises;

How is math used in the art of creating codes and ciphers?

help me to answer this question the found answer was wrong my question is true but your answer was not true Which of the following statements is true? Modal jazz includes rapid chord changes. Modal jazz is based on a single scale for long periods of time. Modal jazz does not allow musicians to develop and explore melodic possibilities. Modal jazz

The perimeter of the window of the camper shell is 150 in. Find the length of one of the shorter sides of the window. 56in window between arrows \f
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The probability that Chloe is happy given that she has had dinner by 6pm is 0.9. The probability that Chloe is not happy given that she has not had dinner by 6pm is 0.8. Assume that there is a 60% chance that Chloe eats dinner by 6pm on a given day. a) If Chloe is not happy at 6pm, find the probability that she has not had dinner yet. b) If Chloe

At Litchfield College of Nursing, 86% of incoming freshmen nursing students are female and 14% are male. Recent records indicate that 70% of the entering female students will graduate with a BSN degree, while 80% of the male students will obtain a BSN degree. If an incoming freshman nursing student is selected at random, find the following

Sally is looking to invest 6,000 that she recently inherited from her dead grandfather. She plans to invest this for 35 years and then buy a dream home for 2,000,000. PNC has offered her 10% interest compounded twice a week. Truist has offered her a 9% compounded daily. a. What does inheritance mean? b. What will the investment with PNC be worth?

In problems 1-6, a function u or dy is given. Find the piece u or dv which is not given, calculate du and v, and apply the Integration by Parts Formula. S 12x*In(x) dx u = 1n(x) 2. - X'ex dx U = X
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1. For real numbers :31, . . . , 1:\5. Suppose that X is a random variable with E[X?]
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This question is from my calculus class. Thanks for your help. 5. a. Use implicit differentiation to find the derivative dy dx b. Find the slope of the curve at the given point. cos (y) = 2x - 2; 1 NJ dy a. dx b. The slope at 1, is (Simplify your answer.)
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The URLhttps://i.imgsafe.org/323483cb99.png contains the question. Please answer it.

Please consider the following congestion network and answer it with clear explanation. Exercise 8.2 Consider the following congestion network with three nodes. As shown, all edges have the cost function C(x) = x if their ow is x, except for the edges vu and wu Where C(x) = 0. The table on the right shows four users 1' = 1,2,3,4 with different
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For each function: (1) determine the real zeros and state the multiplicity of any repeated zeros, (2) list the x-intercepts where the graph crosses the x-axis and those where it does not cross the X-axis, and (3) sketch the graph. 1) f ( x ) = -x3 2 ) f (x ) = 2x3 - 3x2 3 ) f ( x ) = x*+ x' - 4x- -4x 4 ) f (x ) = x+ + x3 Av x
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Mailings View Help Ac AaBbCcl AaBbCc 1 Normal 1 No Spac. Paragraph IS #51 B. Halla el valor de la variable en cada una de las siguientes ect (3 puntos c/u) 1. x - 69 =-42 2. 24 -8x = 18 - 6x 3. 2x = 9x - 84 4. x - 13 + 5x = 2x + 6x -45 5. 8(x - 3) =7x - 29 C. Resuelve cada desigualdad lineal y haz la grafica que represe (3 puntos c/u) 1. 3x + 27 <

EventA : Rolling an odd number on a fair die. EventB : Rolling a4 on a fair die. EventC : Rolling an even numberon a fair die. Given the three events, which of the following statements is true? Select all that apply. EventA and EventB are mutually exclusive. EventB and EventC are mutually exclusive. EventA and EventC are not mutually exclusive.

1) (A) Find a derivative of a function F in two ways: using a quotient rule and a chain rule (they are equivalent). F = 1/(1+a^2 *x^2) Quotient rule : d / F ( x ) dx ( 9 (x ) = 9 ( x ) . F ' ( x ) - f ( x ) q' ( x) ( g' ( x ) ) 2 OF dx dx 1 + a ' x z = ( 1 + a2x2 ) ax (1 - 72a2x dx ( 1 + a 2 x2 ) ( 1 + a 2 x 2 ) 2 dF - Zazx dx ( 1 + a 2 x 2 ) 2
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if f(x)=rx-2x^2+x^3 then why is the taylor expansion around r=0 approx = rx-2x^2

question 1. Listed below are annual data for various years, The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using 0 H1:p-D O C. Hip= 0 O D. Ho: P= 0 Hip
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A Question 8 (1 point) Retake question A diving bell is a device in the shape of a cylinder with a height of 4.0m closed at the upper end and open at the lower end. The bell is lowered from air into the sea water of density= 1,020kg/m3. The air in the bell is initially at 16C. The bell is lowered to a depth (measured to the bottom of the bell) of
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The following table lists a portion of the data representing the annual returns (in percent) over a 10-year period for the Balanced mutual fund, a top-performing mutual fund from the Janus Capital Group. (You may find it useful to reference the z table .) . Year Return 2007 10.15 2008 -15.22 2009 24.28 2010 7.83 2011 1.44 2012 13.07 2013 19.72

Any HELP would be much appreciated! Thank you so much! I will give a great review for a solution! Suppose that a survey was carried out in New York, and each respondent was faced with the following two questions: (A) Is the last digit of your Social Security number odd? (B) Have you ever lied on an employment application? The second question is,
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1. In a (3, 7') Shsrnir secret sharing scheme with modulus 59, three of the shares are (5, 11), (10, 43) and (20, 34). Another share is (7, k), but the value of k is unreadable. Find the correct value of It (3 marks). Verify your result with Maple (2 marks). 2. The general formula for a plane in the 3D space is z = ax + by + c, where a, b, c are
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5. Una anualidad paga $15,000 por ao. Debido a la inflacin, cada ao un dlar vale lo que $0.970 vala el ao anterior. El pago se realiza al comienzo de cada ao. Cul es el valor presente de la anualidad si se paga durante 3 aos (comenzando de inmediato)? Recuerda que la respuesta debe ser $43,702.05.

Coefficients(a) Unstandardized Standardized Coefficients Coefficients Model B Std. Error Beta t Sig. 1 (Constant) 1.992 560 3.558 RESOURCES .000 158 123 117 1.287 WORKLIFE .060 148 125 .104 2.131 .040 INVOLVEMENT 292 136 200 2.147 .058 LEARN .110 .112 .076 978 REWARDS .032 179 134 .124 1.330 071 a Dependent Variable: STRESS What is the R-square
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DELL Big, B Cross out the haley DON'T cross In Exercises Answers 16 y = 2x How Did the Light Dress Up For the Costume Party? For each exercise, draw the line Indicated and write its equation. Find your answer in the answer column X - 4 and cross out the letter next to It. When you finish, the answer to the title question will remain. Unear
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In the U.S. Rule, the partial payment first covers the interest and the remainder reduces the principal. Group startsTrue or FalseTrue, unselectedFalse, unselected

Any help explaining this would be greatly appreciated. I am a little confused about how to figure out the answer to part (b) of the question. If you could please explain HOW to get to the answer. Thank you. (a) Using the midpoint labels of the three histograms, what would you say about the estimated range of the population data From smallest to
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Select the correct answer from each drop-down menu. Given: UX =WZ VW = XY Prove: UV = YZ W X Z Statements Reasons 1. UX = WZ 1. given UX = UV +VW+WX 2. segment addition 2 . WZ = WX +XY +YZ 3. UV +VW+WX=WX +XY +YZ| 3. addition property of equality 4. UV + VW =XY+YZ 4. subtraction property of equality 5. VW = XY 5. given 6. UV =YZ 6. subtraction
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El (1) de arte, Rafael Squirru, tena la (2) de abrir un museo de arte (3) porque el gobierno despuesto apoyaba polticas conservadoras. Al principio las (4) no se hacan en el museo porque este no tena una (5) propia y por eso las muestras se celebraban en un barco que viajaba de ciudad en ciudad o simplemente hacan performance en la calle. Segn

A sales region has been divided into five territories, each of which was believed to have equal sales potential. At alpha = 0.05, do the territories have equal sales volume? Data: Territory A B C D E Sales Volume 110 140 90 106 100 H0: Territories have equal Sales Volume is not rejected with pvalue 0.074. The counts are consistent with the model

What are the coordinates of C using a special triangle? Use the accompanying diagram to answer the questions that follow. C 45 Derive the coordinates of Cusing a special right triangle
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An insurance company writes policies for a large number of newly-licensed drivers each year. Suppose 40% of these are low-risk drivers, 40% are moderate risk, and 20% are high risk. The company has no way to know which group any individual driver falls in when it writes the policies. None of the low-risk drivers will have an at-fault accident in

For a confidence interval for a population parameter (e.g., the population mean) computed at a 91% confidence level, what propotion of all possible confidenceintervals will contain the true parameter value? Enter with 2 decimal places

Number Sense Project: The Golden Ratio Objective In this project, you will explore the presence and significance of the Golden Ratio in various aspects of real life, ranging from nature to architecture, and art to human anatomy. Instructions 1. Understanding the Golden Ratio: Start by understanding what the Golden Ratio is. It is a mathematical

Which defines the term base unit? Multiple choice question. a defined unit in a system of measurement with no prefix or suffix a defined unit in a system of measurement used to describe the acidity of a solution a defined unit in a system of measurement that is based on an object or event in the physical world a defined unit in a system of

While on Casey's computer, you notice that a model for a recent experiment is completed. The model gives the temperature (7') as a function of time () as given below. As before, a time of t = Orepresents the time of data collection, with negative values representing earlier times. Knowing Casey, they will want to know the domain, range, and other
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Questions 8 and 9 Question 8 (2 points) 6 alike is ... 8. In general, if order matters, the arrangement of n objects when a are alike, b are alike, and c are n! (n - r)ir! n! 12 (n - r)! O n! 4 15 a! b! c! 18 Question 9 (2 points) must be first? 9. How many words can be formed by rearranging the letters of the word PROBABILITY, if the Y 21 907 200
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1. (5 points) Using the graph given below, please answer the following parts. If not defined, simply state that "not defined" 10 w N -7 - 6 -4 - 3 - 2 -1 2 3 4 5 6 - 1 g -6 - 7 (a) (f+ g) (-2) (b) (fg) (0) ( c) ( 2 ) (2 ) (d) S(g(4) ) ( c ) ( for ) ( - 5) 2. (5 points) Find the domain of f(x) = In(a + 4) + In(10 -5.x)
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Add. Use a horizontal format. (Simplify your answer completely.) (2 - 7r + 6/2) + (453 - 8r)
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Class Management | Help HW 1 - Modeling with Mathematics Begin Date: 1/16/2024 12:01:00 AM -- Due Date: 2/4/2024 11:59:00 PM End Date: 5/1/2025 11:59:00 PM (20%) Problem 3: The typical size of a normal human liver is illustrated in the figure at the right. (The liver is the organ shown in color inside the ribcage.) Image source: Wikimedia DA 50%
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You have decided to buy a car that costs $32,600. Since you do not have a big down payment, the lender offers you a loan with an APR of 6.35 percent compounded monthly for 5 years with the first monthly payment due today. What is the amount of your loan payment? Group of answer choices $632.22 $460.62 $635.57 $547.64 $463.06

Select each possible formula for the polynomial described below. The degree is n = 2 , and the zeros are x = 5 , 1 0 . a. 5 ( x + 5 ) ( x 1 0 ) b. ( x + 5 ) ( x 1 0 ) c. ( x + 5 ) ( x + 1 0 ) d. 2 ( x 5 ) ( x + 1 0 ) e. ( x 5 ) ( x + 1 0 ) f. ( x 5 ) 2 ( x + 1 0 ) 2 g. ( x 5 ) ( x 1 0 )

Problem 5. (8 points) Let W be the subspace spanned by Find an orthonomal basis for W
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Ava Flores is working with her students on the process of adding fractions with unlike denominators and she carefully demonstrates the process of finding a lowest common denominator and then adding the fractions, such as in the following example: (3) 1 + (4) 2 = 11 (3) 4 (4) 3 12 Ava then gives her students a series of problems to solve, such as

1. In each case, graph the described region by hand (without graphing software), and use integral(s) to find its area. Always show how you find the relevant point(s) of intersection. a) The region enclosed by the graphs of y = 6 %z and z = 2y (find the two points of intersection algebraically, not by guessing and checking) b) The two-piece region
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QUESTION 1 Which confidence level will provide the widest interval? A. 70% B. 85% C. 95% D. 99% QUESTION 2 We're trying to find a range of values for the proportion of college students who smoke. Would this be an example of point or interval estimation? A. Point B. Interval QUESTION 3 We're trying to find a range of values for the average amount

Use the chart and information below to answer the following five-part question. The chart below shows the follow-up experience of a cohort followed from time zero for ten years. Note that the first ten persons in the chart are exposed and the second ten persons in the chart are unexposed . Assume that all events occur at the end of a year. For
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use the determinant to find out for which values of the constant k the given matrix A is invertible(15,18) \f\f2 23,29
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Sociologists say that 95% of married women claim that their husband's mother is the biggest bone of contention in their marriages (sex and money are lower-rated areas of contention). Suppose that eleven married women are having coffee together one morning. Find the following probabilities. (For each answer, enter a number. Round your answers to

A soap box derby is a contest in which the cars competing rely only on gravity to move. There is nothing motorized in the car. These gravity racers are typically either pushed by others at the start of a race or the race is downhill. DeMarius is constructing a car to enter into a soap box derby. The side panel of the car is shown. 7ft (Score for
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Hi good morning The average number of acres burned by forest and range res in a large county is 4,500 acres per year, with a standard deviation of 650 acres. The distribution of the number of acres burned is normal. Compute the probability that more than 5,000 acres will be burned in any year. Determine the probability that fewer than 4,000 acres
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s include some IV calculations...you may want to have scrap piece of paper and calculator ready. You will be given 20 minutes to complete due to the calculations. Record your answer for calculations numerically i.e for example if your answer is 6__ gtts/min or mL/hr enter answer as "6" - DO NOT INCLUDE UNITS

Please complete the table and answer all 4 questions according to the proper function. Please do not use any form of e or ln, differentiation, integration, or derivatives in any of the answers. Please do not use AI to solve as it often wrong and easily evident. 1. A sum or difference of two functions with at least one max or min. Function:

Let uH (R") have compact support and be a weak solution of the semi linear PDE -Au+ c(u) = f in R", where fR" and c: RR is smooth, with c(0) = 0 and 0. Prove that u H (R")

Differentiate the function. g (u ) = V 6u+ 1 7u g' ( u ) =
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true or false? $1,853 seven years from today at a compound interest rate of 5% per year is equivalent to $1,400 today

f honda Page 5. (10 pts) How long Will it take money to double if it is invested at 6% compounded monthly? 2/7: w ( u / / A w 2 [3 :A mv" fi (fi * 4 v' In ' /::: AM" 2 2 2 :;..1 if ME me. : {org/qc g 5 'M" % 2 '1 ME " 3 'f fl fl 0' go, /* go - 5 am . J, l 2

Ms nmeros Fill in the blanks by writing the numbers in Spanish. Modelo You read: SANDRA: Hay muchas personas en la cafetera? ALBERTO: S, hay ms de (60) personas. You write in the blank: sesenta Question 1 with 1 blank ALONSO: El examen de psicologa es difcil (difficult). SCAR: Por qu? ALONSO: Porque hay (84) 1 of 1 preguntas. Question 2 with 1

Use the Wronskian to show that the functions y1=e5xandy2=e6xare linearly independent. wronskian = det [ __ __] = _____ __ __

Anya was rowing up the river and noticed it takes longer to row upstream than downstream. She knows that in still water she can row 9 mph. She timed herself rowing approximately 4 miles upstream and then back in 1.5 hours. She then calculated the current ofthe river. r - t = d Suppose c is the speed of the current. A v The rate upstream: 9 - c A
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(1 point) The chance of a packet arrival to a distribution hub is0.05 0.05during each time interval. LetX Xbe the arrival time of the first packet. In this case what distribution doesX Xhave? X Xfollows a: A. Geometric Distribution. B. Hypergeometric Distribution. C. Negative Binomial Distribution. D. Binomial Distribution. Find the following

USING PYTHON. In Newton's form of the interpolation polynomial we need to compute the coefficients. \fThe evaluetlm- ef the h-terpeletleh plytltll Jh New-rteh'a lm-1 eer- he then dehe With the Hum-er-Llhe theme ueeh Lt- tin-Ha: Fz'u ferjzn-l.n-2..... F=EJ+{I-IJ}-Fi end {3} Write mhtputer Luz-LIE: to: mmpute the mefelehtu 113,111,. . . ,e\" and to:
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Related Rates FUN Exploration! Exploring Related Rates with Dancing and Balloons.. Note: Print this Exploration out and write on it, writing your work with pen/pencil on it, and then scan/upload it into the hand-in box as a single word doc or pdf, as usual. INSTRUCTIONS (follow each line carefully!): ACTIVITY PART I: Dancing Like a Star! A. Go to
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8. [-/3 Points] DETAILS NCSUENGCALC1 1.3.014. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the center of mass of the homogenous lamina in the first quadrant bounded by y = 0, x = 0, f(y) = -y2 + 81. ( x , y ) = Submit Answer 9. [-/2 Points] DETAILS NCSUCALC1 5.2.2.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the volume of the solid
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HAPTER 5 ALGEBRA HOMEWORK Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Find the equation of the line that passes through the points (1, -2) and (4, 7). a. 3 - 2y x d. 3 - 5y x b. 3 2y x e. 3 5y x c. 3 - 8y x ____ 2. Find the equation of the line that passes through the points (0, 1) and (4,

A proposed square footing 2 m by 2m carrying a total load of 800 kN is to be constructed on a sand deposit. The depth of the footing will be 1m below the ground surface, and the unit weight of the sand is 17.5 kN/m3. The modulus of elasticity of the sand was determined to be 10,000 kN/m3 throughout. Using Schmertmann's method, estimate the

(1 point) A bacteria culture starts with 660 bacteria and grows at a rate proportional to its size. After 3 hours there will be 1980 bacteria. (a) Express the population after hours as a function of t. population: (function of 1) (b) What will be the population after 8 hours? (c) How long will it take for the population to reach 2850 ? (1 peoint)
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11. Bobby joined the Army and he got married. 27. A panther does not have a long tail. Compound; conjunction. 28. A panther has a long tail and a bobcat can purr. 29. A bobcat cannot purr or a panther does not have a long tail 30. A bobcat cannot purr if and only if a panther does not have a long tail 31. If a panther does not have a long tail,
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Suppose a manufacturer has recorded its cost of electricity (in dollars) and the total number of hours of machine time for their factory during a certain number of weeks. They want to use the data to estimate electric bills based on machine time. Their new statistician analyzed the data. The results are shown below. Descriptive Statistics: Time,
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icles of Confeder... 5 Assessments DI = ID Prove: ADWY = ABLY Y W B Y is the midpoint of WY= LY WL Definition of Given a midpoint DY = YB ADWY = ABLY Given
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9. Anti-symmetric matrix (10 marks). Consider an arbitrary anti-symmetric matrix A e Rnxn i.e., A = -A. Prove that r Ar = 0 for all r e R". Hence, show that for any matrix B e Rnxn we have =r"(B+ BT)x = x] Bx
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Please help me in my activity on my general mathematics subject. Please give accurate answers and explanations with complete solutions. Thank you! B] Solve the following problems. Show complete solution. 1) The fee to par in SM Baguio cost 50 pesos for the first 3 hours and an extra 15 pesos for each hour or a fraction of it. If you park more than
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Hi,can you help me solve this? I'm having a hard time finding the right answer.(I will also like an step by step explanation to better understand) An airline is given permission to fly 4 new routes of its choice. The airline is considering 10 10 newroutes: 3 3 routes inFlorida, 4 4 routes inCalifornia, and 3 3 routes in Texas. If the airline

The probability that an online student on the laptop is 0.82 and the probability that a student on the desktop is 0.65. If the probability that a student owns both is 0.55, find the probability that a student owns a laptop or a desktop

In how many ways can 3 men and 7 women be arranged in a line if none of the men can be side-by-side?

Items 7 through 11 refer to the admission procedure for Watsamata University, a small private University in Minnesota. Watsamata University requires all applicants to take an admission examination specifically developed for the University. The test is composed of 100 multiple-choice items. To evaluate the utility of test for admission decisions

Prove that the metric space (X, d) with weighted Hamming distance is complete

The accompanying data represent the total compensation for 12 randomly selected chief executive officers(CEO) and thecompany's stock performance in a recent year. Complete parts(a) through(d) below. CompanyCompensation ($mil)Stock Return (%) Company A14.5875.45 Company B4.0763.99 Company C7.08142.06 Company D1.0732.69 Company E1.9810.68 Company

A grain storage silo is inthe shape of a giant beer can 100m high and the base is a circle of radius 20m. The height of grain remaining in the silo after t days is h(t) = 100 (t2/4). (a) After how many days is the silo empty? days (b) How quickly is height increasing after 10 days? meters per day (0) Use your answer to (b) to say approximately how
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Copy the following addition problem. Insert a decimal point and additional zeros so that the number of decimal places in the addends match. 49 .8 --?-- 14 --?-- Incorrect: Your answer is incorrect. + 17 .703

True or False: If a function is continous at = and '() DNE, then () must be a relative max or a relative min

One indicator of an outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value 80. (a)If a data set has mean 70 and standard deviation 5, is 80 a suspect outlier? No, since 80 is more than 2.5 standard deviations above the mean. Yes, since 80 is more than 2.5 standard deviations above the mean. No,

A business school is preparing an informational booklet for entering graduate students. Part of this material is a report on how various factors influence a student's GPA (grade point average). In particular, the school used a multiple regression model to study the relationship between y = graduate GPA and several independent variables X
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4. Crear un procedimiento que por medio de un cursor de sistema extraiga los datos del cdigo de empleado y el nombre

Use the following information from June 17, 2020 to answer the questions below. COVID-19 case data by county - Connecticut County Total Cases New London 1,217 Fairfield 16,475 Windham 579 Hartford 11,405 Litchfield 1,467 Middlesex 1,259 New Haven 12,185 Tolland 895 A.Based on the data from 6/17/20, which county total is closest to the mean of

1.To study the potential protective effect of a new COVID-19 vaccine, investigators conducted a double-blind study involving a total of 678 individuals. 343 individuals were randomly assigned to the treatment group and received the vaccine, and the remaining 335 individuals were assigned to the control group and received a placebo. Rates of

The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 51 57 61 69 76 What is the interquartile range of the set of data?

Use the addition problem below to answer the question that follows: 12 29 88 + 11 When given the addition problem above the student quickly said 140. When the student was asked how he solved the problem he quickly said " Add 12 and 88 and get 100, then 29 plus 11 equals 40, last add 100 and 40 and that equals 140. What property of addition did the

Statistics and Probability Survived 332 318 29 27 706 Died 1360 104 35 18 1517 Total 1692 422 64 45 2223 If you select a passenger at random from this group, the probability that the passenger was a Woman. Survivor. Survivor, given that the passenger was a Woman. Survivor, given that the passenger was a Man. Boy or a Survivor. Man and someone who
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According to the U.S. Census Bureau, in 2014, 60% of Americans age 18 and older were married. A recent sample of 2400 Americans age 18 and older showed that 58% of them are married.Test the hypothesis that the percentage of current population of Americans age18and older who are married is lower than60% at a 1% significance level.Set

Solve and show working for these bearings 2. In the figure below, find the three-figure bearings of the points A, B, C and D from the point O. D 609 560 519 O 310 3. Find the three-figure bearings of the points E, F, G and H from the point O. H m 450 609 O 80 220 F
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