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Mathematics Questions and Answers October 07, 2021

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Circle the following that are propositions (there may be multiple correct answers). a. Quizzes are 20% of the grade in the class. b. The test was easy. c. If Sarah receives an A on the Final Exam, she passes the course. d. Send an email to the professor if you are going to be tardy

Help me please Which of the relations given by the following sets of ordered pairs is a function? O 1(5, 4), (4, 3), (3, 2), (4, 5), (2, 1) } O {(6, 1), ( - 3, 1), (3, 5), (2, 4), ( - 1, 2) } O {(1, 2), ( - 4, 8), ( - 3, 5), (1, - 2), (7, 12) } O 1(5, 4), (5, 6), (5, 8), (5, 10), (5, 12) }
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P is in dollars and q is in units. suppose that the demand for a product is given by 2p 2 q=30000+9000p 2 . find the elasticity when p=$50 and q=4506. (round to four decimals)

COS 1- c
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the aggregated salaries from January to December are as follows: Jan-$743,430.00 Feb-$705,320.00 March$67,950.00 April$780,240.00May$801,970.00 June$69,440.00 July$816,550.00 Aug-$734,380.00 Sept$791,110.00 Oct-$753,370.00 Nov-$717,640.00 Dec-$805,500.00 Assume that the Accountant from your place of work delivers to you the aggregate monthly

Find thep -value for the hypothesis test. A random sample of size 52 is taken. The sample has a mean of 425 and a standard deviation of 86. H0: = 400 Ha: 400 Thep-value for the hypothesis test is. Your answer should be rounded to 4 decimal places.

Commute times in the U.S. are heavily skewed to the right. We select a random sample of 500 people from the 2000 U.S. Census who reported a non-zero commute time. In this sample, the mean commute time is 28.4 minutes with a standard deviation of 18.9 minutes. Can we conclude from this data that the mean commute time in the U.S. is less than half

Binge Drinking Episodes in Past Month Text Message Video Chat Phone Conversation 10 5 5 8 5 5 4 6 5 S 5 6 6 6 5 7 5 LO 6 4 8 8 Mean 5.4 7.6 5.7 Standard Deviation 1.07 1.43
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Evaluate the expression. negative 9 squared Question content area bottom Part 1 negative 9 squaredequals

Chris is considering using a new online program to improve performance in his classes. He enlists two of his classes to test it out: He assigns one class to use the online program while the other class acts as a control group. Because Chris cannot randomly assign students and must use his existing class sections, we can best describe this as a(n)

It can take from 2 to 6 months to select an HIT system. Group of answer choices True False

GRADE 4--- Materials: 10x10 square grid crayons / construction papers Instructions: a. Students are asked to create a unique piece of mosaic art using a hundredths grid. b. Once accomplished, students have to mathematically transform their art by representing each color (used in their masterpiece) as fraction and decimal equivalents. c. There is
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9. Lonnie wants to combine the profit and loss data for 2022 from each of the three Lewellen offices. In cell E6, enter a formula using the SUM function, 3-D references, and grouped worksheets that totals the values from cell C6 in the Charlotte:Milwaukee worksheets. Copy the formula from cell E6 to cell E7, the range E9:E11, the range E13:E15,

8-53
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Direction: It is time to reflect on what you have learned in this module by completing the sentences below. Write your answer in to 2-3 sentences only and use one whole sheet of paper. 1. In this module, I have learned that
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Question The graph of y = f(a) is shown below (dashed curve). Manipulate the green draggable points to obtain the graph of y = - f(2 + 3) + 2 (solid curve). Provide your answer below: 10 -5 -10 -5 0 5 10
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ework: 3.1 Interactive Assignment - Measures of Central T 6% (1 points out of paring for Section 3.1 Introduction Objective 1 Objective 2 Objective 3 Objective 4 Objective 1: Determine the Arithmetic Mean of a Variable from Raw Data The following data represent the pulse rates (beats per minute) of nine (a) Determine the population mean pulse.
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6 Important note Do not attempt this assignment (30 points) until you complete the associated lessons in Module 6. They provide necessary background to earn maximum credit on the assignment. Assignments are designed to help you prepare for quizzes and exams as they contain questions that are similar to those practiced in the assignment. I

The following information was obtained from matched samplestaken from two populations.Assume the population of differences is normally distributed.The average of the differences is equal to -1 and the standard deviation of the differences is2.2361. The following information was obtained from matched samples taken from two populations. Assume the
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12. Write an equation to represent the sinusoidal function in the following graph
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Asset A lies on both the CML and the SML. The market portfolio has a volatility of vv. Express Asset A's beta ( A ) in terms of the volatility of its returns ( A ).

A chef buys red wine vinegar in 1 liter bottles. The cost of each bottle is $12.00. The chef has a recipe for blueberry salsa salad that calls for 250 milliliters of red wine vinegar. What is the chef's cost of the red wine vinegar required to make this salad? Please round your answer to the nearest cent

2. WHAT WAS KOBE'S LONGEST STREAK LENGTH? WHAT WAS IT? AND IN WHAT GAME
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Expressions that involve limits that do not directly provide enough information to determine the limit's value are called indeterminate forms. A sample would be when both the numerator and the denominator approach zero. Which can be resolved by factoring, applying the L'Hopital's Rule, simplifying, or by substitution. Another sample is when both

If r is negative, then the intercept of its regression line will be negative. True False

Physlet Physics by Christian and Belloni: Problem 4.11 (compadre.org) Open the simulation, a Modified Atwood's Machine. Mathematician George Atwood invented it, in 1784 to show the physics of Newton's 2 nd Law.We analyze it now (2021). Click run , and watch how the two masses move.Gravity pulls down on the hanging weight, it accelerates down, and

38.What is the expected constant growth rate of dividends for a stock currently priced at $50, that is expected to pay a dividend of $5 next year, and has a required return of 20%? A) 13% B) 10% C) 11% D) 12% none of the above Answer: B $50 = $5/(.2 - g) g = 0.1=10%
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2. Draw a rough sketch of the function f (x) with the given properties Domain: All real numbers except x = - 3 lim f (x ) = too lim fix ) = -20 X-7-3- X--3+ lim f(x ) = 2 X 7-00 X - 1 | 2 4 7 fix )1 - 6- 2 2 5 f (x ) + + NO 7 f" LX) NO + + 2 4 De 10 9 8 7 6543 21 01 2 3 5 6 7 8 9 10
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You are the manager of a donut shop. Presently, you sell your donuts for $1.00 each and everyday you sell 500 donuts. However, you are wondering if you could make a bit more profit by raising the price slightly. Your marketing research shows that for every $0.05 you raise the price, you will sell 10 less donuts. What donut prices would result in

A population consists of N=7 numbers 1, 1, 2,3,4,4 and 5. Draw all possible samples of size n= 3, without replacement from the population and find the sample proportion of even numbers in the samples. Construct the sampling distribution of sample proportions and verify that = AndV() = Nn /N1

Simplify the given expression using order of operations. 9 minus 3 times left parenthesis negative 6 right parenthesis minus 5 Question content area bottom Part 1 9 minus 3 times left parenthesis negative 6 right parenthesis minus 5equals enter your response here

Every social system has a culture. A college class has one. So does the Inter- net, and so does Canada. Culture consists primarily of symbolsespecially the words contained in languageand various kinds of ideas that shape how we think about everything from relationships with other people to the meaning of life. It also includes such practices as
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I need assistance on the combination and transformation of this function Question The graph of y = f(x) is shown below (dashed curve). Manipulate the green draggable points to obtain the graph of y = f(-x - 5) - 4 (solid curve). Provide your answer below: 10 5 -10 -5 0 5 10
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I need step by step handwritten 7 How many solutions are there to the integer equation 1:: +32 +Is+14 = 15 subject to 1:1 2 0, 1:2 21, 1'3 2 2, 1:4 2 3? 8 What is the coefcient of 35y: in (2:: - y)\"'? 9 Compute 2:10 (?)3\""'(-2)", using the binomial theorem. 10 Show that, for integers 1 5 k 5 n, the identity 23;, (f) = (":1) holds and interpret
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A sample of 29 employees of a large company have their systolic blood pressure checked. Summary statistics are provided in the table below. Assume that the systolic blood pressure of all U.S. adults follows a Normal distribution with a mean of 122 mm Hg and a standard deviation of 20 mm Hg. n mean SD min Q med Q3 max 29 139.862 17.505 110 124.5

Use the order of operations to simplify the expression. 5 minus 6 left bracket negative 2 left parenthesis 5 minus 6 right parenthesis minus 3 left parenthesis 6 minus 3 right parenthesis right bracket Question content area bottom Part 1 5 minus 6 left bracket negative 2 left parenthesis 5 minus 6 right parenthesis minus 3 left parenthesis 6 minus

Marcus made two errors in his solution to the equation shown below. 2x+4 5(x-1) 2x+4 5x-1 -3x+4=-1 -3x= 3 X=-1 Line 1 Line 2 Line 3 Line 4 In which two lines did he make his errors? O Lines 1 and 2 O Lines 1 and 3 OLines 2 and 3 OLines 2 and 4

41) which star has the smallest radius? ABCD or E? 42) Which store has the highest mass, ABC D or E? 43) which star is a yellow giant? ABC D or E? 44). Which star is white, main sequence? ABC D or E? 45). Which star is a white dwarf? ABC D or E

A tetrachromat Group of answer choices can see significantly less variance of color than a normal person can see slightly less variance of color than a normal person can see more variance of color than a normal person

which of the following statements are true? justify your answer 1) random sampling is a good way to reduce response bias 2) increasing the sample size will always reduce bias

Use the graphing strategy to analyze and sketch a graph of f (x). All work must be shown to receive credits and asymptotes must be found using limits. BE ORGANIZED AND NEAT. f (x) = ; _2(x - 1) 4(x - 5) (x + 1) 2 f' (x) = - -2(x - 3) (x + 1)3 f"(x) = (x + 1) 4 Domain: x-int: 7-int: Horizontal Asymptote: Vertical Asymptote: nc: Dec
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Terminology: A circle of radius r is a curve that consists of all points at distance r from the center of the circle. A disk of radius r is the set of all points whose distance from its center is less than or equal to r. (a). We generate a random circle of radius 1, whose center is uniformly distributed inside a disk of radius 10 centered at the
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This topic is on bayesian statistics. 8. Suppose Xi ~ Poisson(A) for i = 1, .. ., n, X = (X1, ..., Xn) , and A ~ gamma(a, B). (a) (4pts) Draw a graph for this model. (b) (2pts) Write an expression that corresponds to P(A > Jo|X ) for a constant do. You do not need to evaluate any integrals just write the equation. (c) (2pts) Describe how you can
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The Center for Disease Control had determined that the mean weight of all eleven-year old caucasian boys is 86 pounds.A complaint is made that 25 such boys living in a city children's home not the appropriate weight for their age, the boys weighed on average, 81 pounds with a standard deviation of 10 pounds. Using a .05 significance level test the

Linear Algebra In Exercises 7-10, let W be the subspace spanned by the u's, and write y as the sum of a vector in W and a vector orthogonal to W
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need to fill out the chart Annual Rental Expenses Annual Homeowner Expenses $6,100 Rent: $750 X 12 = a. S Mortgage Payment Loss of Interest 2, 100 41 Property Taxes Renters Insurance 289 Homeowner Insurance 374 Electricity 1,560 Electricity 1,980 Heating (gas) 1,800 Heating (gas) 1,800 Telephone: $50 X 12 b. Satellite TV: $53 X 12 f. Cell Phone:
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What is the quotient of two and three fourths divided by four fifths? five over 4 two and one over 20 three and seven over sixteen three and 15 over 16

In Exercises 2- 4, the random variable x is normally distributed with mean =18 and standard deviation =7.6. 2. Find each probability. (a)P(x>20) (b)P(0 27) 3. Find the value of x that has 88.3% of the distribution's area to its left. 4. Find the value of x that has 64.8% of the distribution's area to its right.

One-way ANOVA : Is there a significant difference in 12 th grade math achievement as a function of geographic location (Northeast, North Central, South, and West)? Show output of the Descriptives, Homogeneity of Variance test, ANOVA, and Means plot and answer the following questions. Compute an ANOVA ( using SPSS ), and select and print

So im doing a homework assignment for systems of linear equations and im confused how to identify leading and free variables. \f
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-10 5 -5 Use two fingers to interact with graph Which of the following points is not on the circle given by the equation c2 + y' = 25? (0, 5) (1, -V/20) (-4, -3) (-V10, V15)
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What percentage of buyers paid between $13,500 and $15,000

The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank of Connecticut have a mean of$845 and a standard deviation of$260 . Assume that the balances on all these Visa cards follow a normal distribution. a. What is the probability that a randomly selected Visa

In a recent survey of655working Americans ages25-34, the average weekly amount spent on lunch was$43.51 with standard deviation$2.75. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that are between$38.01 and $49.01__________? . Approximately95%of the amounts fall between$38.01 and$49.01 Between what two values

how many 1000ml of a solution will be infused over 24h. find the pump setting in milliliters per hour

Hello, can someone explain this problem to me? Let X and Y be jointly continuous nonnegative random variables. A particular value y of Y is observed and it turns out that fxy (x | y) = 2e-2, for x 2 0. 1. Find the LMS estimate (conditional expectation) of X. 2. Find the conditional mean squared error E [(X - X LMS) | Y = y]- 3. Find the MAP
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Can someone help me solve this problem and explain it to me? Let X and Y be independently random variables, with X uniformly distributed on 0, 1] and Y uniformly distributed on 0, 2 . Find the PDF fz (z) of Z = max { X, Y}. For z 2: f z ( z) = For 0
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) Find the slope and y-intercept of the line, 2x - 16y = 48
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Solve each of the following pairs of simultaneous equations by elimination: a.3x +2y = 7 x + y = 3 b.3x - 2y = 8 x + 4y = 26 c.X - y = 7 X + 2y = 16 d.3y = 4x + 2 Y = -x + 10

Read this article by Tim Stobierski (2021), and in 200 words discuss how hypothesis testing can be used by businesses to progress their work. Post an initial 200-word response by Day 4 (Thursday) and three responses to other students' postings by Day 7 (Sunday) with at least one additional response by Day 5 (Friday). p2L Module 3 Discussion - CSC
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content area top Part 1 A chef buys milk in 1 gallon jugs for $2.99. The chef has a recipe for Mornay sauce that calls for 1.5 liters of milk. What is the chef's cost of the milk required to make the Mornay sauce recipe? Please round your answer to the nearest cent

Questions shows inpictures B Assignments - Mathematics 20-1 x 3 Microsoft Word - Week 12 Assign X Microsoft Word - Week 12 Assign X * Homework Help - Q&LA from Onl X + X - C File | C:/Users/z2427/Desktop/Week%2012%20Assignment%20(1).pdf ii Apps Reading list Microsoft Word - Week 12 Assignment 1 / 3 - 100% + Math 20-1 HUB - Week 12 Assignment 1.
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$134,567.00 X 0.8929= $454,689.00 X 0.7972= $345,678.00 X 0.7118= $434,567.00 X 0.6355= $234,765.00 X 0.5674= $964,257.00 X 0.5066=

Answer the following question Geometry T.2 Surface area of prisms and cylinders SWV The surface area of this cylinder is 12.56 square meters. What is the height? Use I ~ 3.14 and round your answer to the nearest hundredth. im meters
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Answer the following: A simple random sample from a population with a normal distribution of 97 body temperatures has x = 98.40 F and s = 0.61.F. Construct a 99% confidence interval estimate of the standard deviation of body temperature of all healthy humans. E Click the icon to view the table of Chi-Square critical values. OF
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When conducting or evaluating research, it's important to understand when it's appropriate to use numeric or nonnumeric data gathering, analysis, and study. Many careers require an ability to locate, review, and incorporate data and hypothesis testing into outcome-based projects. This assessment requires you to evaluate a quantitative and a

1.A recent survey found households of Macau intended to spend an average of $649 during the Mid-Autumn Festival. Assume that the survey included 600 households and that the sample standard deviation was $175. What is the 95% confidence interval estimate of the population mean?

Use the rates provided below for the three problems in this tab. Each problem is worth 4 points Bid Ask Spot GBP/USD 1.5102 1.5195 Forward (90 day) GBP/USD 1.5005 1.5085 Spot USD/JPY 123.22 128.55 Forward (30 day) USD/JPY 120.25 122.35 Spot EUR/AUD 1.4811 1.4922 Forward (60 day) EUR/AUD 1.4775 1.4801 Questions A) You will have EUR 125 M in 60 days
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The bar graph below shows the number of bottles sold in a day for some of the types of liquors sold. The total number of sales for all liquors is 180. Approximately what percent of the total sales is represented by the five liquors shown below? Question The bar graph below shows the number of bottles sold in a day for some of the types of liquors
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content area top Part 1 A construction company needs to borrow $300,000 for a new job. They decide to borrow the funds at 15% for 180 days. In 1980, the same note would have been at a rate of 24%. Find the difference in the interest charges based on the two rates. Assume 360 days in a year. Question content area bottom Part 1 The difference is

The range of f ( x) = 1x-s +1 is ( ) yo, s d ) The Area of the function 3 x 2 - 5x - 2 are d) a ) 4 - 2 6 ) 2 - 2 C ) - 2 - 3 3
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(2.7 style questions) 1 Express each statement as an English sentence. Say whether each is. true or false. Here, Z is the set of integers, Q is the set of rationals, R.is. the set of real numbers. 1 Question-7. .In E Z, n2 5 0.1 LOP xs' = xA.. .8 uonsand Question-9. Vx E R, By E R, xy = 1.1 Question-10. 3x E R, Vy E R, xy = 0.1 (2.9 style
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4th grade math Write numbers in the boxes below to show rounding on a number line. What place value are you rounding to? 8 0,000 000 8 0,000
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content area top Part 1 Using rectangles each of whose height is given by the value of the function at the midpoint of the rectangle's base (the midpoint rule), estimate the area under the graph of the following function, using first two and then four rectangles. f(x)equalsStartFraction 5 Over x EndFraction between xequalsone fifth and xequals1

You are studying vacation rentals in a particular area identified by population,1 and population 2. You believe the mean price paid by population 2 should be greater than the mean price paid by population 1. Upon taking random samples of 15 from population one, you calculate a mean of $500 with a variance (s- squared) of $50625. You have 20 random

Find the area of the triangle with vertices A(a, 0, 0), B(0, b, 0) and C(0, 0, c), where a, b and c are positive real numbers using the cross product.

The time in hours that a technician requires to perform preventative maintenance on an air conditioning unit has a mean time of one (1) hour and a standard deviation also of one (1) hour. Your company has a contract to maintain 70 of these units in an apartment building. You must schedule technicians' time for a visit to this building. Consider

3) Determine the equation, in any form, of the following polynomial functions. Show your work. i) a polynomial function passing through (1,14),(2,17),(3,4),(4,37),(5,118),(6,251)

=1 bo = y - bx y = bo + bix, 3) Let x have a mean of 7.2 and a standard deviation of 2.8. Let y have a mean of 12.6 and a standard deviation of 4.31. Let the correlation, r, between x and y be 0.41. Using the formulas above, calculate the regression coefficient, b, and the y-intercept, bo, for the regression model. (a) Write down the numerical
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Man 30-2 For the rational expression (a +4 (x -7) 3x -5 the non-permissible value is x = The values of a and b, respectively, are and
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You conducted a t-test in your 691 capstone research. You did not find a statistically significant difference between your groups even though your sample size was relatively small. Upon conducting a post hoc power analysis you found that your actual power was 0.57. What should you do? Is there a problem with having a power less than 0.80 when you

Please support eBook Suppose you are gambling on a roulette wheel. Each time the wheel is spun, the result is one of the outcomes 0, 1, and so on through 36. Of these outcomes, 18 are red, 18 are black, and 1 is green. On each spin you bet $5 that a red outcome will occur and $1 that the green outcome will occur. If red occurs, you win a net $4.
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6.(10 pts) Attempting to analyze the relationship between advertising and sales, the owner of a furniture store recorded the monthly advertising budget X (in $thousands)and the sales Y (in $millions) for a sample of 12 month. The data are listed here. (Please refer to the picture attached at the bottom.) Estimate with 90% confidence the mean sales
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at 1 the independent ble
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Which choice correctly expresses the number below in scientific notation? 8860000 A. 886 . 104 B. 886 . 106 C. 8.86 . 106 D. 8.86 . 107 E. 88.6 . 105 F. 8.86 . 105
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Last person got it wrong for me so I had to submit it again Homework: HW Lesson 3.4 Question 5, 3.4.41-BE HW Score: 35%, 3.5 of 10 points Save Part 1 of 2 Points: 0 of 2 A sailboat costs $24,918. You pay 10%% down and amortize the rest with equal monthly payments over a 10-year period. If you must pay 6.6%% compounded monthly, what is your monthly
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Use Summary 5b, Table 2, Column 2 1.Select a different quantitative variable. 2.Divide the sample members into 2 groups based on marital status of the head of household. 3.Find xbar1, s1, n1 using Excel 4.Find xbar2, s2, n2 using Excel 5.Find s = Determine whether there is a difference in the mean of the quantitative variable between married and
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Please answer with steps f(x) = 3\" (1) Given that , evaluate this function at the indicated values . Round your answers to three decimal places. No work is required. Each is 2 pts 1 (a) f(2.5) (h) f [Z] h f(x+h)f(x)= 3x1 3 '1 f(x) = 3xl h h (2) Given that , show that (4 pts) Show work
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Checkmark all matrices below that are in reduced row echelon form (RREF). A= 0 1 2 3 4] 01 2 1 0 B = 0 0101 1 1 0 1] C= 0 0 0 1 0 1 3 D = 0 3 0 0 DA O B OD
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apply. Which of the following are square roots of the number below? Check all that 25 A. -251/2 B. -5 C. 16 D. 251/2 E. 5 F. 20
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Summarize the progress made on each of the three classical or geometrical problems during the fourth century BCE(Ancient Greece). How were these problems approached in different cultures? Have the solutions changed?

please help me solve this. 4. (13 point) Consider the function f(x) = 12 NR. + x - 1 a) (4 point) Find all the critical values of f. b) (3 point) For each critical value, say whether it is a minimum, a maximum or an inflexion point. d) (3 point) What are all the inflexion points of f? e) (3 point) Draw f (as well as possible), indicating the
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Solve for all values of x where 0x2pi cos(2x) = 0

The Himalayan Mountains formed (a process called orogeny) in the: Question 7 options: Permian period, approximately 250 million years ago Cretaceous period, approximately 65 million years ago Tertiary period, approximately 40 million years ago, within the Eocene epoch

Hello, I am trying to run ARIMA in SPSS. However, I don't understand which model to use. It must be non-seasonal, so in any case: ARIMA (?,?,?)(0,0,0). I think the second question mark should be a 0, so ARIMA(?,0,?)(0,0,0). Could you explain what model I should use and why? I added a picture of the ACF and a picture of the partial ACF. I also
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A 16 ounce Red Bull energy drink has 160 mg of caffeine. The half-life of caffeine for most adults is about 3 hours . That means that every three hours there is half as much caffeine in your body that there was before. After drinking a Red Bull, you would have 160 mg of caffeine in your body. In 3 hours you would have half of that, or 80 mg. Then

How many ways are there to distribute three different teddy bears and nine identical lollipops to four children. (a) without restriction (b) with no child getting two or more teddy bears (c) with each child getting three goodies

can you help me answer this thanks Correlation Hypothesis Test 03b The data below shows the selling price (in hundred thousands) and the list price (in hundred thousands) of homes sold. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a = 0.05. Is there sufficient evidence to conclude that
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What demographic data would be important to collect? Which of the four types of quantitative research studies do you think would be best to use for this study and why? How would the data from the study be analyzed and reported

The probability of getting a soda at the movie theater is 70%.What is the probability that the next three guests in the movie theater will get a soda? (Express your answer as a percent rounded to the nearest tenth)

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