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Mathematics Questions and Answers October 04, 2021

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Solving exponential equations 1. 8 x+1 = 8 5 2. 13 (x + 11) = 13 8 3. 4 x = 16 4. 2 (3x - 6) = 8 5. 5 (- 3x) = 1/25 6. 9 (2x) = 27 7. 3 (x - 5) = 1/81 8. 3 x = 29 9. 8(3 x - 6 ) = 876 10. 5e (2.1x - 2) = 14 11. A type of bacteria doubles in population every 2 hours. Given that there were approximately 5 bacteria to start with, how many bacteria

1- You must prepare 300 mL of a solution containing 42.5% dextrose. In stock you have solutions containing 50% dextrose (solution 1) and 5% dextrose (solution 2). How many milliliters of each stock solution should you use in the solution that you prepare? 2You have 1.5 L of irrigation solution in stock. The solution is to be used to fill syringes

Find the length and width of a rectangle that has the given perimeter and a maximum area. 1. Perimeter: 84 meters length- ___ meters width- ____ meters 2. Area: 121 square feet length- ___ ft width- ___ ft 3. The owner of the Rancho Grande has 2984 yd of fencing with which to enclose rectangular piece of grazing land situated along the straight
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uppose that g : Rn Rn is a differentiable map that is invertible. For a jointly continuously distributed random vector X = (X1, . . . , Xn), if Y = g(X) = g1(X) ... gn(X) , then the joint PDF of X and Y are related according to

1) (Total: 23 marks) A refrigerator uses refrigerant-134a as the working fluid and operates on an actual vapor- compression refrigeration cycle. The refrigerant enters the compressor at -10.0 C and 0.20 MPa and exits the compressor at 50 C and 0.70 MPa. The refrigerant is cooled in the condenser to 22 C and 0.68 MPa. Then it is throttled to 0.24
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Find the change of basis matrix from B, to B2. -8 3 -2 11 5 -2 -12 -4 3 -2 X eBook
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A particular city had a population of 28,000 in 1930 and a population of 31,000 in 1950. Assuming that its population continues to grow exponentially at a constant rate, what population will it have in 2000? The population of the city in 2000 will be | people. (Round the final answer to the nearest whole number as needed. Round all intermediate
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You are interested in buying a piece of land overlooking the sea. You find a place atop a 50m high sea cliff. The lot is only about 30m wide but is 200m long parallel to the coast, so you think you are getting a large expanse of the coastline. What would be the most important thing to look for in considering this purchase? Group of answer choices

Question B only 2. (36 points) You are a manager of a sales team. (a) (b) (C) There are 100 people who do sales for your team. 75% of them are hard working and 25% of them are lazy. Hard working salespeople contact 1,000 potential clients each year. Lazy salespeople contact 800 potential clients each year. Every time someone contacts a potential
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Please help Ron, the owner of Save and Savor Grocery, wasn't able to pay his property tax bill on time. He initially owed $4,700, but that amount will increase by 1.5% each month until he pays the bill. You can use a function to describe the total amount Ron will have to pay if he waits x months to pay the bill. Write an equation for the function.
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Fill in the blanks to express the quantities given in ratio language. Ratios must be expressed in simplest form. Number of Games Won or Lost: Result Games Won 3 Lost 9 For every games won, there were games lost
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Indicate the class boundaries for the following class limits: a. 56 through 58:to b. 25% through 75%:% to% c. 0.28 through 0.30:to

I need help with these three problems please. An auto dealer has 6 different cars and 5 different trucks. How many ways are there to select two vehicles? Ex: 26 * C(36, 12) Write combination as: C(n, k)Given two sets: A and B. A has 7 elements. B has 8. A and B share 4 elements. How many elements are there in total? Ex: 60Lisa plays soccer 4 out
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Please help Suppose that the scores on a reading ability test are normally distributed with a mean of 60 and a standard deviation of 9. What proportion of individuals score more than 67 points on this test? Round your answer to at least four decimal places. X ? oo EO
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Question is stated below. The answers -1212 for the expected profit from a seminar is incorrect when used and 67,68 for the number of attendees has been used as well and they keep coming out incorrect. if anyone can help thank you. Problem 12-05 To generate leads for new business, Gustin Investment Services offers free nancial planning seminars at
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Infants of various ages look at two photos of the same object, a dog. In one of the photos, the picture is slightly blurred. In the other photo, the picture is sharp. What can be said about the infants who tend to look equally at both images? They don't really like dogs. They do not have great visual acuity yet. They are distractable. Nothing, as

Find the 1-non, 2-mort I infinity rooms I the corres- ponding condition numbers For the following matrix, A = 3 Compare it to the condition - 1 107 3
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C. LINEAR EQUATIONS Find the general solution of the following differential equations (1) y' = x - 2y cot 2x (2) dx = cos x cos 2t dt (3) 2(xy + 4y - 3 ) dx + (x + 2)? dy = 0
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Question 9 options: A researcher wants to check the claim that convicted burglars spend less than 18.7 months in jail, on average. She takes a random sample of 67 such cases from court files and finds that the mean is 16.8 months with a standard deviation of 7.3 months. Is there enough evidence to support the claim using a level of significance of

find all complex solutions for the following solution 5x^2+7=3x

The graph represents how the depth of water D (in meters) at the end of a dock varies with the tides on a particular day where t is the time (in hours), witht =0 corresponding to midnight. The Depth of Water D at the End of a Dock Throughout the Day u [=)] B The Depth of Water (in meters), D = 0 2 4 6 8 10 12 14 16 18 20 22 24 Time of the Day (in
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(i) Let f : (0, 1] - R be a continuous function such that f is Riemann integrable on [x, 1] for every x > 0. Assume that given any c > 0, there exists d > 0 such that IS fl 0+ (ii) Show that the improper integral So sin(2) dx exists. (Hint: Use part (i) )
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5 and 6 Homework Exercise 05.16 (Self-Test) Algorithmic eBook The following table provides a probability distribution for the random variable y. fly) 0.20 5 0.20 0.30 0.30 a. Compute E(y) (to 1 decimal). b. Compute Var(y) and & (to 2 decimals): Var(y) 25 W
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The bar on the left is broken into eight parts. 2 parts = __________ (fraction) = __________ (decimal) = __________ (percent) 7 parts = __________ (fraction) = __________ (decimal) = __________ (percent)

Some bacteria are propelled by biological motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.28 x 1078 m, and a tangential speed at the rim of 2.40 x 10-5 m/s. (a) What is the angular speed (the magnitude of the angular velocity) of this bacterial motor? rad/s (b) How long does
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2. Solve the inequality showing all work including the sign chart. Graph the answer and give the interval notation. bemoheg ed blow 5- x 2-2 ettlog vishnued ordi bait
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Please show all your work. Correct answers will get thumbs up and thanks. \f
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0 4. Find the least-squares solution of Ax = b for A = and b = 1 2 1
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Hours Worked Prior Name Hourty Fixie Insurance Jnlon Deduction DeNoune, Kite 20 00 320 00 Martinez, Snel: 15 50 Hiity Porker, Nancy 35.00 Shapiro, dom 18 03 PAYROLL REGISTER - WEEK ENDING March 1, 20-- EARNINGS DEDUCT Name Anpoze No TAKABLE EARNINGS Social Regular Overtime Cumulative Unemployment Federal Social Medicare Health Total Compensation
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14a 6:32 7 1 5G O Take Quiz Exit Question 2 1 pts Write a function g(x) with a vertical asymptote x = -5 and removable discontinuities at x = 0 and x = -3. Explain your reasoning. Explain how to sketch the graph of the function g(x) without using a calculator. (Instead of writing a function, choose one that fits the description in #2 below) O x
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\fX () Week 2: Chapter 5 and 6 H X MindTap - Cengage Learnin X C The Following Table Provid C O Ing.cengage.com/staticb/ul/evo/index.html?deploymentid=57360023896015208346796301111& eISBN S South University Cymath Mathway Roblox * CourseHero C Chegg ) YouTube ) Google f CENGAGE | MINDTAP Week 2: Chapter 5 and 6 Homework D. Choose the correct
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It is known that the number of weekly hours of exercise made by students of a certain university is distributed normally with standard deviation X. The average number of weekly hours of exercise made by students of that university was made using confidence intervals and it turned out to be: 11.78 , 14.22. We know that the confidence level is 94%

.A sports psychologist believes that amount of practice is related to performance.She measures the hours of basketball free-throw practice time of several players, and then free-throw performance in a game.The data are as follows: Practice Time(X)# of shots made (Y) 00 11 22 21 33 X = 8X 2 = 18Y= 7Y 2 = 15XY = 16 Test whether practice time is

wholesale price of each computer is $729.31 and you have decided to purchase 475 of them. Display the cost of the purchase with a label. The seller charges a 4.6% finance charge on the total purchase of the transaction. Display the finance charge amount and total cost of the transaction. After a month, you have sold 306 of the computers at a price

Question 7 Which equation represents the graph given below? Not yet answered Points out of 1 Flag question Select one O a 2x - 5y = -1 O b. 3y + 2x = 1 O c. 5y - 2x = -1 O d. 5y + 2x = -1
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Any hints or solutions are greatly appreciated! Thanks. 1. To study the gas efficiency of vehicles (measured in miles per gallon), your colleague set up a stratified sampling design based on vehicle type: sedans (stratum 1), minivans (stratum 2), and pickups (stratum 3). Suppose a total of n = 100 = n + ng + na vehicles were sampled from a
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Review the table below. write a word response to the following:. What does the mean,median,mode and standard deviation tell us about the managers and employees? include answers to the following questions in your explanation of each: What do they mean in our data? what additional questions does it make you ask about the data? \f
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Find the volume of the solid whose base is the region bounded by the curves \f
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Apply the sorted edges algorithm to the graph above. Give your answer as a list of vertices, starting and ending at vertex A. Example: ABCDEA
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11. What is the required sample size using Slovin's Formula, supposing the population in question consists of 130 individuals and if the estimate of the population mean is to differ from the true mean by no more than e = 0.05. A. 90 B. 108 C. 96 D. 98

The coffers may be defined as Group of answer choices the place where the dome comes to rest cylindrical-shaped room each of the receding rectangular elements in the ceiling the central hole at the top of the dome

A plumber charges $80 for a house call and $25 per hour for his services. Which of the following is a linear model of his charges. Group of answer choices

An amount of $32,000 is borrowed for 8 years at 7.5% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back?

A supermarket chain purchases large quantities of white bread for sale during a week. The stores purchase the bread for K0.75 per loaf and sell it for K1.10 per loaf. Any loaves not sold by the end of the week can be sold to a local thrift shop for K0.40. Based on past demand, the probability of various levels of demand is as follows:

Topic assessment 1. From a recent census in a particular residential area it was found that 95% of residents had English as their main language and 30% of the population were under 18 years old. The local library wants to explore this issue and decides to create a sample of 200 people. (a) In a stratified sample, how many of the 200 people should
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I need help with these. Please be neat Part Two - Partial Credit is given - 64 points - Choose Four of the Five Questions. You can do the remaining question for extra credit but you must clearly label the question as Extra Credit. If you do all five without labeling one for Extra Credit, then the question that receives the highest score will be
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1. A grocery store determines that a coupon program is worthwhile if they can get more than 30% of their customers to use the program. They take a sample of 1,000 customers and within that sample 320 customers use coupons that are given to them. Use the hypothesis testing framework to provide a recommendation to the company. Note, please use the

Assume that we roll a biased die multiple times, and the successive rolls are independent of each other. Each roll can result in a given outcome i, i = 1, - - - , 6, with probability p, where 21:71:),- = 1. Let N be a random variable denoting the number of rolls which are needed to obtain an outcome that is not equal to 1, and let X be that
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Suppose y varies inversely with x and y = 4 when x = 3. a) Find the equation that relates y and x. b) What is y when x = 23
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Write a polynomial function in standard form with the given zeros. See Problem 3. 20. x= -2, 0, 1 21. x = -5, -5, 1 Find the zeros of each function. State the multiplicity of multiple zeros. See Problem 4. 27. y = (x+3)3 29. y = 2x +x-x 31. y = (x -4)2 32. y = (x-2)2(x - 1)Find the relative maximum and relative minimum of the graph See Problem 5.
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Veracity means how quickly data is generated and how quickly that data moves. Group of answer choices True False

Discuss the following nature of the solution of the system with examples. I. Consistent II. Inconsistent III. Independent IV. Dependent

Find the mean, median, and mode of the data set. 92625 mean (Enter a number.) median (Enter an exact number.) mode (Enter an exact number.)

Problem 4. Evaluate the following integral dz; C: |21 = 3 Z - 2 C
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Mariah created a column chart with a vertical axis that shows units sold as a number with two decimal places. What does she need to change to display whole numbers with no decimal places instead? Group of answer choices Horizonal axis number format Vertical axis title Vertical axis number format Data labels

The p-value of the test is less than 0.0001. Write a conclusion in the context of the problem. Very strong evidence exists that the sample mean difference in exhaled nitric oxide in COPD patients while walking compared to while resting is equal to zero. Very strong evidence exists that the sample mean difference in exhaled nitric oxide in COPD

There are6 people taking part in a raffle. Bob,Elsa,Hans,Jim,Omar,and Soo. Suppose that prize winners are randomly selected from the6 people. Compute the probability of each of the following events. Event A: Bob is the first prize winner, Hans is second, Omar is third, and Soo is fourth. Event B: The first four prize winners are Soo,Omar,Jim,and

Which statement below is correct with regard to sampling? Samples should be analyzed as quickly as possible after collection Sodium hydroxide should never be added to any sample as a preservative Samples should be cooled with ice added directly into the sample All samples must be preserved in the field with either sulfuric or nitric acid

M R R G b b M M m A G G D G G G C docs.google.com/document/d/1Kgn9XPGKWxm4_1_4m20_HwVolWSzKBOIJ45hGOlhsak/edit Update Home Home Main Rhetorical D... " Twitch - The Python Tutori... Pf Sign In - Texas Ro... _ Classes OnCourse Connect tt Test Taker SAT Dashboard |... Issues & Controve Copy of AE3 Prompt 3 * S N G Share B File Edit View Insert Format
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A carpenter purchased 70 ft of redwood and 80 ft of pine for a total cost of $305. A second purchase, at the same prices, included 90 ft of redwood and 60 ft of pine for a total cost of $345. Find the cost per foot of redwood and of pine. redwood dollars per foot pine dollars per foot Need Help? Read It Watch It
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Full Question with graph in the attached pic. The random variable X has a semi-circular distribution, with the probability density function (p.d.f) f(x) giv \f
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b. Function B : Z -> R defined by B(y) = log200 (2y + 8) is an onto function? (6 marks) 4. Explain whether X or Y has a greater influence on this function : k = L ( [ e (3x+10)/10 7 mod 8 ) + log200 (2y? + 8) + 7_ (7 marks)
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Interpret the meaning of the dot (19.9, 72) in the context of the situation.

My homework starts with: Step 1: Survey or measure 10 people to find their heights. Determine the mean and standard deviation for this group by using the Week 3 Excel spreadsheet. Post a screen shot of the portion of the spreadsheet that helped you determine these values. How does your height compare to the mean (average) height of the group that

Hi, This wont take you long to answer and I badly need your help. Is Homophobia Associated With Homosexual Arousal? Henry E. Adams, Lester W. Wright, Jr., and Bethany A. Lohr University of Georgia The authors investigated the role of homosexual arousal in exclusively heterosexual men who ad- mitted negative affect toward homosexual individuals.
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The number of vertices and edges in W, Is n v and 2- n (Click to select) n + 1 n 2n n- 1The number of vertices and edges in W, Is In v and 2 -n (Click to select) 2 -n 2n n n/2
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A principal of $4300 is invested at 5.25% interest, compounded annually. How many years will it take to accumulate $9000 or more in the account? Write the smallest possible whole number

Background : An anonymous email was received at a business in the US around Aug 2020. The email contains the sender's Internet address which can be potentially used to trace and de-anonymize the sender from a group of suspects. The challenge is to narrow down who the sender could be amongst 5 suspected people. Based on the computations, a court

Problem 4 (Computing Projections). For vectors x,y E R\
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When solving the following quadratic equation, what is the value of the radicand (the number inside the radical) after simplifying the solution? 244=0

I need 14 a. List all poss y days would it take for a one-way flight? b. Select one s 14. A family is planning a three-week vacation for which they will is impossibl his section. drive across the country. They have a van that gets 18 miles s in your own life, Ask others 21. a. A frog is cl per gallon, and they have a sedan that gets 32 miles per
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Grades X CH 30 X G Google X 1Appoir X iMathA X Rations X Ration X philos X nalreasoning.net 214 + 7z + 18 Consider the rational function f(I) = 812 - 14 a. What monomial expression best estimates the behavior of 2z* + 72 + 18 as z -+ + co? Preview b. What monomial expression best estimates the behavior of 81- - 14 as z -+ + co? Preview 22 + 72 +
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Please answer this statistics and probability question: 9. Let X be a continuous random variable with probability density function given by 1 f(X)= Ex 0
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1.) Researchers assign fifty police officers over the age of 30 to the experimental group and fifty police officers under the age of 30 to the control group. A video on the harms of excessive use of force is shown to the experimental group of officers over the age of 30. Both groups are then tested on their own use of force in different
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The price of a computer component is decreasing at a rate of 12% per year. State whether this decrease is linear or exponential. If the component costs $100 today, what will it cost in three years?

There is a positive linear relationship between X and Y. Given that the coefficient of determination for this relationship is 0.571, what is the value of Pearson's r ? Round your final answer to three decimal places.

1) Convert Military time 1 5 0 9 to Standard time below (am or pm) 2) Covent 9: 18 AM to military time Show work

How many positive integer factors of 10 10 are not factors of 8 10 ? For example, 1, 2, 3, 4, 6, and 12 are all positive integer factors of 12, but 7 and 9 are not. Note that both 1 and 10 10 count as valid factors of 10 10 .

A pilaster is Group of answer choices a flat , rectangular vertical projection from a wall the main north-south street in a Roman city a triangular component that sits atop a columned porch a long series of columns a longtitudinal building with an apse on one end open area at the center of a Roman town

A company has a policy of retiring company cars.This policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 51 months and a standard deviation of 7 months. Using the 68-95-99.7 rule, what is the approximate
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the following purchase and sale information (show your calculations): Date Activity Unit Total Cost Total Sales S Revenues December 1 Purchase 15 $6,000,000 December 10 Purchase 16 7,200,000 December 11 Sale (Used by Suncor) (20) $8,500,000 December 15 Purchase 16 8,800,000 December 20 Sale (Used by Suncor) (20) 12,000,000 b. Explain why the gross
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The graph represents the revenue R (in millions of dollars) for Chipotle Grill from 2007 through 2013, where t represents the year, with = 7 corresponding to 2007. 1. Estimate the slope of the graph for the year 2008. Show all calculations and interpret the result in the context of the problem. (Assessing Communication and interpretation) 2.
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Differential Equation Question 1 Not yet answered Marked out of 10.00 - Flag question Determine the current at t=0.67s in a simple series RL circuit with a resistance of 10 ohms, an inductance of 1.5 H, an emf of 9 V, and no initial current. Consider two (2) decimal places for the final answer. Answer: Quiz navigation 4 6
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(a b) (a c) , (a d), d e e in a proof table using conditional proof. in a fitch style table reiteration - rm conjunction introduction - /\im,n conjunction elimination - /\em disjunction introduction - \/im disjunction elimination - \/em,n-o,p-q conditional introduction - ->im-n conditional elimination

A. Flnd the differential equation: ( 1) whose general solution is y = ale2x + c2931 (2) by eliminating B and a from the relation x = B cos(mt + a) in which to is a parameter (3) of the family of curves with the equation 3:4 + 4xy x4 = c (4) representing the family of curves y = axz + bx (5) representing the family of curves %= 0350: + b)
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According to a polling organization, 23% of adults in a large region consider themselves to be liberal. A survey asked 200 respondents to disclose their political philosophy: Conservative, Liberal, Moderate. Treat the results of the survey as a random sample of adults in this region. Do the survey results suggest the proportion is higher than that

Discussion Topic Read thisarticlediscussing the amount of time that people of various ages and education levels report spending on different technologies. Ask at least 12 of your adult friends and family members the same survey question. (The more people you ask, the better.) How do the survey results compare with the results in the article? What

Starting one month from now, you plan to deposit $700/month for 5 years into an RRSP. If you earn $6168.71 in interest over the 5 years, what effective interest rate will you earn? & Deon makes monthly contributions of $250.00 at the end of every month into an RRSP. Calculate to the nearest month, how long it will take to grow to $100,000 if

In a poll, men and women were asked, "When someone yelled or snapped at you at work, how did you want to respond?" Twenty percent of the women in the survey said that they felt like crying ( Time , April 4, 2011). Suppose that this result is true for the current population of women employees. A random sample of22 women employees is selected. Use

Which of the following aspects of giving is NOT part of Pauls instructions to the Corinthians (I Corinthians 16:2)? Group of answer choices Spontaneous giving is better than regular giving. Give on a regular basis Give in proportion to your income Give to the church and those in need

(\"1"\") 5. Let. A be an u x 1:. matrix. {31) 51315] Show that if A is an orthogonal matrix, than (lot..(A) = :|:l. (b) (5 pts) Show that if A 79 U and A3 = D, then A is not diagonalizable. (Hint: Assume A is diagonalizable and then get a contraction.)
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URSE X D21 Homepe X Broward X A ALEKS - X A ALEKS - X (7216) G X Mod1 x Mod e/content/655432/viewContent/18882545/View?ou=655432 Learning Activity - Section 3.4 - Solving Quadratic Equations by Factoring Names: Solve each quadratic equation by factoring, and express each solution in set notation. 1. x + 7x+12=0 2. 3x2 -4=-11x Print A Alternative
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Consider the following outliers and analyze both the scatter plot and residual plot to determine whether each is an influential observation. Justify your answer. (Note: You can highlight a point by going to that row and clicking the row number. The corresponding point will then be highlighted.) Morrisonville High School (Row 75), with 3.4%

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Would you pay more if the payment is made at the beginning of each of the two years, or at the end of each of the two years

Which apportionmentmethod picks the final apportionment based on the lower quota if the geometric mean is less than the standard quota? a. Hamilton Method b. Jefferson Method c. Webster's Method d. Huntington-Hill Method TRUE OR FALSE For the weighted voting system, {160: 100, 90, 60, 50, 10} , {ACD} is a winning coalition.

Henry Mintzberg, a widely quoted professor of management from Montreal, Quebec has stated "all business organizations do only two things of consequence". Enter your answer below

Economic Inequality has been getting a lot of attention of late. The Rich are getting richer, the Poor are getting poorer, and the gap between them is increasing at an ever accelerating rate. But while the class divide is getting economically worse, it is thought that this inequality is balanced by Economic Mobility. While it may be unfair that

Apr 01, 4:00:30 PM Fill in the blanks to express the quantities given in ratio language. Ratios must be expressed in simplest form. Number of Animals in the Pet Store: Animal Count Cats 12 Dogs 28 For every cats in the pet store, there are dogs
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Find the mean and standard deviation for each binomial random variable: a. n = 52,= .80 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) b. n = 90, = .60 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) c. n = 42,= .75 (Round your mean value to 2 decimal places and

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