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Mathematics Questions and Answers May 16, 2021

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Narrate an instance in your daily life where three or more mathematical concepts had been applied.

1. Crees que Bitoherm utiliza un enfoque de Comunicacin Comercial Integral (CCI)? a) No, ya que no utiliza todos los medios posibles. b) Si, porque utiliza muchos medios al mismo tiempo. c) Si, porque utiliza diversas herramientas, canales, acciones y elementos de comunicacin de forma coordinada. d) No, porque su comunicacin se dispersa en muchos

Estimate P(2005). (Hint: Your calculation in part (c) should be useful.) (e) Predict the value of P(2017). % Explain how you made your estimate. P(2017) = 34 + X 0.2 Need Help? Read It Watch It
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Consider the data with analysis shown in the following computer output: LevelNMeanStDevA4 10.000 2.945 B5 16.800 2.168 C6 10.800 2.387 SourceDFSSMSFPGroups2 134.72 67.36 11.02 0.002 Error12 73.31 6.11 Total14 208.03 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?

Randomness in activity times _blank_ averages itself out

Using the modern algebraic method of solving linear equations, solve: "Sabrina has a certain amount of money initially, and Mario has 8 times what Sabrina has. When Sabrina and Mario add together the money they have, the total/sum amounts to 70$. How much money does Sabrina have initially? letting x be the amount of money Sabrina had initially."

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Four measurements of a distance were recorded as 284.18, 284.19, 284.22, and 284.20 meters and given weights of 1, 3, 2, and 4 respectively. Determine the weighted mean.

Select one card from a deck of cards. What is the probability that the card is either a diamond or a face card

Say an individual invests $3442 for 7 years at 1.29% interest compounded annually. How much interest will they earn by the end of this investment? Give your answer to two decimal places. Do NOT include units in your answer.

true or false: qualitative risk assessment provides numerical estimates of risk by counting the total population of microbes

What is the best source to download the R program from?

Use the properties of natural logarithms to simplify the function. f ( x ) = ln( x 9 )ln( x )

Let n k 0 be integers. Find the number of k-element subsets S [2n] for which there are no two elements x, y S satisfying x + y = 2n +1.

An artist buysx kilograms of bronze for a sculpture for $1050. She then uses the bronze to make an art sculpture, but she throws away 45 kilograms of bronze that she doesn't use. She then sells the bronze sculpture for $5800. She makes a profit of $12/kg. What was the original mass of the bronze?

Cora's Housing: Two pairs of statements are given below. In 2005, Cora spent $1,350 per month on housing. In 2018, Cora spent $2,700 per month on housing. In 2005, Cora spent 20% of her income on housing. In 2018, Cora spent 10% of her income on housing. How can both pairs of statements be true

The Hogwarts School of Witchcraft and Wizardry has built a new skyscraper to house all the new students. The skyscraper is named after one of its most famous students, Harry Potter. The Harry Potter skyscraper sways in high-wind conditions. At t = 3 seconds, the top floor of the building swayed to a maximum of 60 cm to the right (60 cm), and at t

Suppose A C nn , show that there exist unitary matrix Q and semi-positive definite Hermitian matrices H 1 and H 2 such that A = H 1 Q = QH 2 , where H 1 2 = AA , H 2 = A A. This is known as the polar decomposition of matrix A and is often used in mechanics and materials science.

please help me re write I can work from home, I only coughing I just dont want to bother anyone with my cough especially I just had covid.

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All the values of computer-generated random numbers are Question 7 options: a) Poisson distributed. b) lognormally distributed. c) uniformly distributed. d) normally distributed

Part I. Chi-Square Goodness of Fit Test [equal frequencies} A random sample of 118 weights of teenagers is obtained and the last digit is recorded. The frequency of each digit is recorded in the following table. If people report their weight, they tend to round. Test the claim that the sample is from a population of weights in which the last
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Family relationships are shown to be essential in "Mother any Distance\" and "Walking Away\". Both poems represent key moments in the speakers' lives. Day-Lewis' speaker is the father looking back at when his son left for school, but Armitage's speaker is the son looking to the future, grateful for his mother's support
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A) Find the marginal cost at a production level of x=20000 items, given that cost is given by, C(x)=20000+7x-.00005x^2 dollars. B) Continuing with the previous problem, what are the units of marginal cost? C)Continuing with the previous question, what is the average cost of producing 20,000 items?

3- The standard form of f(x) is: f(x)=36x5+12x4-288x3+12x2+36x. Fully factor f(x). Use the Rational Factor Rule , Factor Theorem , synthetic or long division , and the proper algorithm to do the factoring. At the end, after you have found all the factors, RESTATE THE FUNCTION AS A PRODUCT OF ALL THOSE FACTORS. (ie. f(x)= ( factor1 )( factor2

What is the difference between a sample mean and the population mean called? Select one: a. Standard error of the mean b. Sampling error c. Interval estimate d. Point estimate

Suppose you are working on developing a classification procedure, where you have 1,200 candidate predictors (features) and only 200 observations for the class labels. To reduce the number of candidate predictors, and focus on the more promising subset of them, you select the 200 of them having the largest absolute value of their correlation with

An economist wants to test why firms are leaving the city. She finds that 53 firms left for "greener pastures" during the past 3 years. Of these, 13 left because of too-high taxes, 9 because of too-high wages, and 24 because of too-high transportation costs. At the 2% level of significance, make a hypothesis test that no one reason for leaving the

For f(x)=x+3 and g(x)=5x+4, find the following functions: a. (f o g)(x) b. (g o f)(x) c. (f o g)(-2) d. (g o f)(-2) a. (f o g)(x) = b. (g o f)(x) = c. (f o g)(-2) = d. (g o f)(-2) =

If x+y=2, x^2+y^2=3, find the value of x^4+y^4 a. 6.65 b. 6.55 c. 8.50 d. 8.75 the answer for this is letter C 8.50 but I dont know its solution please send me solution in handwritten form for me to understand well the principle also. thank you

I need some help!!! A health care professional wants to determine whether individuals with hypertension who take Atenololhave significantly lower systolic blood pressure than individuals with hypertension who do not take Atenolol. For individuals who have not been prescribed Atenolol, the population systolic blood pressure mean is 165 (= 165) with

Randomly survey 30 pairs of classmates. Record the values of the average of their change. Put them into a table and then: Construct a histogram and Calculate (n=2) _ x= s=

Para el desarrollo de la actividad debern responder a las siguientes preguntas: 1. Qu es la OMA? 2. Cul es la misin de la OMA? 3. Cules son los objetivos? 4. Beneficios que obtienen las aduanas del mundo al ser miembros de la OMA

What is the probability that a normally distributed random variable with a mean of 800 and a standard deviation of 65 has a value between 750 and 850? I calculate z for 750/850 and the answer - 0.769/ +0769

What is the lunule? Multiple choice question. The white thick growth zone at the end of the nail The free edge overhanging the tip of the nail The margin of the nail under the overlying skin The opaque white crescent that appears at proximal end of a nail

Mean= 57.5, Standard deviation= 10 The data is in frequency distribution bell shaped, Given the cut off grade for A is 75, what is the probability that a student will score A

Suppose your instructor wants to randomly choose one of the students in the class to ask a question. Suppose the probability that the instructor asks Sam, one of your classmates, is 0.05 and the probability that she/he asks John, another student in your class, is 0.07. What is the probability that the instructor asks one of these two students

Lesson 6.2 - sampling distribution - center and variable

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Graphical perception is a critical element inpresenting data. The graph shouldbest represent the data and information intended. Certain graphs are more effective at displaying information for a fast and accurate interpretation while others are most effective to display a specific statistical outlook. Search online for a badgraph. Provide the link

Question 18 5 Solve for D: 89D - 12 - 19D = 50. Enter only the value without D = Also round to nearest hundredths if applicable Add your
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Kayla took a test and received a raw score of 35. The sample of scores has a mean of 40 and a standard deviation of 15. Convert Kayla's Z score to a standard IQ distribution with a mean of 100 and a standard deviation of 15 Note: Enter only the numeral answer. Do not use decimal points for whole numbers such as "2". Use decimal points for numbers

n Minitab, what is a major capability under the Calc menu option? Select one: a. Generates graphs from data b. Calculates only columns c. Calculates only rows d. Generate random data

do solution fast jldi se Find the work done by F in moving a particle once counterclockwise around the given curve. F = (3x - 4y)i + (4x - 3y)j C: The circle (x - 4)2 + (y -4)2 = 16 What is the work done in one counterclockwise circulation? (Type an exact, using it as needed.)
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1) When performing a transformation on a set of data, how do you determine if the transformation is successful? a. If r-squared for the transformation is greater than r-squared for the original regression, the transformation is successful. b. If r-squared for the transformation is less than r-squared for the original regression, the transformation
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Notice that the table of Reynolds Numbers only gives order-of-magnitude values. As an analogy, can you think of an example from everyday life where a coarse-grain or order-of-magnitude estimation is useful while fine-grained precision doesn't add any information

Problem 1 (20 points) Suppose {Zn).. is wide sense stationary (WSS) with Rz(n) and has zero mean. Let Xn = Zn + Nn, where {Zn} 1 {Nn} and {Nn} is also zero-mean, WSS, and with RN(n). a) What is the Wiener Filter for Zn? b) What is the error
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Previous Problem Problem List Next Problem (2 points) Find the shortest distance from the point P = (3, -1, -7) to a point on the line given by / : (x, y, z) = (-3t, 7t, 5t). The distance is Preview My Answers Submit Answers
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Solve the following system of equations and write the solution in parametric vector form x +2x, + X3 = 1 2x, -X2 + 2x3 = 2 3x, +x, +3x, = -8
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Choose one correct statement. 1) a joint probability of two events is the sum of two marginal probabilities of the events. 2) all simple events must have positive probability. 3) a conditional probability is well-defined only when the probability of the conditioning event is positive. 4) a random experiment cannot have infinitely many potential

6. Prove that the kernel of any surjective R4 > R3 linear transformation has dimension 1
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Find the value of n by creating a equation Select the correct answer from each drop-down menu. The area of this rectangle is 54 square inches. Create an equation to find the value of n. 3(n - 1) 54 square inches n + 2 n2 + n + 0
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9. Show that if matrices A and B have the same RREF, then A can be turned into B by a finite sequence of elementary row operations. Hint: Show that any elementary row operation can be undone (inverted)
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It took Gina 4.5 hours to drive to her mother's house on Friday morning. On her return trip on Saturday night, traffic was heavier, so the trip took her 5 hours. Her average speed on Saturday was 5 mph slower than on Friday. What was her average speed on Saturday? Gina's average speed on Saturday was mph
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GNAT Records, Inc. produced a compilation CD using the list of songs below. A mechanical license was granted to GNAT using the mechanical statutory rate. The CD sold 60,000 copies. Help GNAT Records complete the chart below by answering the questions provided. The song is 4:11 What is Statutory Rate for "Big Poppa" by The Notorious B.I.G

Question: Show that (n C 2) * ((n-2) C 2) = 6 (n C 4). My question is how do I show this using binomial expansion ? Thank you.

Show all work! Remember the appropriate way to report probabilities - failure to report your final answer correctly will result in point deduction. Round your final answers to two decimal places Assume the probabilities of a a person having allergies are as follows: .056 for an allergy to shellfish .038 for an allergy to gluten .117 for an allergy

Suppose the width of your index finger is 0.2 inches and the length of your arm is 31.3 inches. Based on these measurements, what will be the angular width (in degrees) of your index finder held at arm's length?

17 [2] [-1 of |1 1 : Al Let B = 1 lol| 2 . For each of the following 1] [1 1 vectors, either express it as a linear combination of the vectors in B or show that it is not in Span B. -3 5 2 2 _ @ | |7 |77 4 7 For Problems A3A8, find a homogeneous system that defines the given subspace. i [l 0 1 1 2 1 2 0 1 0 -1 11 1 A7 Span For Problems A9 and A10,
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Which of the following is the correct formula for a normalized value? Multiple choice question. (Original value - Minimum)/(Maximum - Minimum) (Original value - Minimum)/(Maximum + Minimum) (Original value + Minimum)/(Maximum + Minimum) (Original value + Minimum)/(Maximum - Minimum)

In a standard linear regression model, the x-axis is the dependent variable and the y-axis is the independent variable. Group of answer choices True False

Select the correct slope and y-intercept for the following linear equation: y = -3x + 8 1- slope = -3 y-intercept = (8, 0) 2- slope = 8 y-intercept = (-3, 0) 3- slope = -3 y-intercept = (0, 8) 4- slope = 8 y-intercept = (0, -3)

Ellis is painting wooden fenceposts before putting them in his yard. They are each 7 feet tall and have a diameter of 1 foot. There are 11 fenceposts in all. How much paint will Ellis need to paint all the surfaces of the 11 fenceposts? Use 3.14 for , and round your answer to the nearest hundredth. Provide an explanation and proof for your answer

Which of the following are groups? Justify your answers.(a) The set 3Zof integers that are multiples of 3, under addition. Thatis:3Z={3n|nZ}(b)R\{0}under the operationab=|ab|, for alla, bR\{0}(c) The set{1,1}under multiplication(d) The set of all pairs (x, y) of real numbers, under the operation(x, y)(z, w) = (x+z, yw)(e)R\{1}under the

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A researcher asks participants to rate the extent to which they agree with particular statements.The 5-point Likert scale ranges from "Not at All" (1) to "A Great Deal" (5). How should the researcher present these data to describe the sample? Select one: a.Mean and standard deviation b.Modal value c.Any of the above could be appropriate d.Median

i am confused 3. Determine for which z the following series converge: DO (a) _( z+1 )k, (z - i) m DO (b) m2 (c) n" (2 + 4)" k=1 m=1 Note: For the power series in Question 3 you also need to consider the boundary of the disk of convergence
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What type of test would you use when you're comparing your data to a known population with a known mean? Select one: a. t test for dependent means b. ANOVA c. t test for independent means d. t test for the single sample

Hello All, I am attempting to solve this for fun.Select all that apply and explain your reasoning. PLEASE SEE PICTURE AT BOTTOM FOR QUESTION Any help would be appreciated. \f
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Only need question #8! but I need to use the method in the example 3 that's given. Slope of a Curve at a Point In Exercises 7-18, use the method in Example 3 to find (a) the slope of the curve at the given point P, and (b) an equation of the tangent line at P. 7. y = x2 - 5, P(2, - 1) 8. y = 7 - x2, P(2, 3) 9. y = x2 - 2x - 3, P(2, -3) 10. y = x2
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We can construct a 95% confidence interval of plausible values for a parameter by including all values that fall within 2 standard deviations of the sample statistic. This method is only valid when the null distribution follows a bell-shaped, symmetric distribution. Thus, we can present the 95% confidence interval for the long-run probability (or

16 ) Solve 5 + p x + 1 = 20 fonx 171 solve 4 4+2 = 64 Soon x 18 ) Is x= 7 the solution to In (2x -3 ) = In 11? 0 NO . No solution yes 19 ) Solve 2x= 7 fonx 20) Solve 2109 4 x = 5 for x 21 ) solve 20 In 0. 2x = 30 fon x 22) Solve Rog ,2x - log3 ( x - 3) =1 for x11) A town with a population of 5,000 grows 3%% per year, Use the growth formula below
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SIMPLE LINEAR REGRESSION PLEASE HELP ME UNDERSTAND HOW SOLVE PROBLEM IF YOU KNOW HOW TO DO SIMPLE LINEAR REGRESSION. Each week coaches in a certain football league face a decision during the game. On fourth-down, should the team punt the ball or go for a rst-down? To aid in the decision-making process, statisticians at a particular university
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In testing the null hypothesis H 0 : 1 - 2 = 0, the computed test statistic is z = -1.66.The corresponding p -value is_____. Question 1 options: .0485 .0970 .9515 .9030

Part 5: Go to the workbook Exc | Test Workbook 2. in his workbook ther are severa: worksheets. You will work through the toliuwing step using the worksneeis. Piut Descri, tion: Must ple wo sheet management Use _D formulas _nu Ed ac.wis wo ksheet. to efficiently weare form.. is end fo mitting OCIC L Seea. work.sheet. ste . W.. LS Possible Go to the
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For the conditional statement Q ---> ~S , identify the Inverse, Converse, Contrapositive and original statement. S ---> ~

Which of the following statements is not accurately describe empirical phase? A. Preparing data for analysis. B. It generalizes the activities in data collection. C.Transferring the data from written documents onto computer files. D. Quantitative information is analyzed through statistical procedures

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Suppose you plan to purchase a new car after selling the old car from the class activity for scrap. Assume that new cars will have increased in price, so plan to spend $24,500. Remember that the car in the in-class activity was projected to last for 8 years and be worth $500 in scrap value. Part A: How much do you need to save if you want to pay

Q4 please Write on paper and write the question too so I can print. Thanks a lot. Will upvote if done. 4. Let R3 be equipped with the dot product and let B = {(1, 1, 1), (0,2,0), (2,0, 1)]. B is a basis for IR3. Use the Gram-Schmidt process to convert B into an orthonormal basis
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To estimate the percentage of households in Connecticut which use fuel oil as a heating source, a researcher collects information from 1000 Connecticut households about what fuel is their heating source. State the individual, variable, population, sample parameter, and statistic. I am having trouble with this one... how can you do this when you

Problem 11: Find the length ofx=t2+ 1,y= 4t3+ 3, on the interval1t0.

Given the vector A = 5 i - 5 j + 8 k. What is the magnitude of this vector? Please round your answer to one decimal place

For the polynomial below, 1 is a zero. h(x)=x -2x - 5x . + 6 Express h (x ) as a product of linear factors
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Help me solve this equation Taking a loan out from the bank The Loan is for 48057.2313 If I put 10%% down on the car payment with a 4. 5 9 %% intrest rate "what is the montly payments The loan form is 72 months formula NK Po = ( d ( 1 - ( + -F ) r/K
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It is ok to run a linear programming problem without constraints. After all, this is capitalism and there are no constraints. The optimal answer to a linear programming problem always has no slack. 4. Given a linear programming optimization problem, with the choice of two products, we know in advance that a possible answer is to make only one

f(x) Nonlinear ... ... Increasing when x
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Sebuah perusahaan komponen mobil menghasilkansebuah mobil, dengan kapasitas rata-rata per hari 100 unit.Berdasarkan peraturan pemerintahkomponen keamanan dari setiap tempat perusahaan memperkirakan hal tersebutjumlah produksi yang dihasilkan per harinya.Diambil hari, dan diperoleh jumlah produksi per harinya 93, 103, 95, 101, 91, 105, 96, 94, 101,

Please help me 10. [0.33/1 Points] DETAILS PREVIOUS ANSWERS POOLELINALG4 2.2.042.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER For what value(s) of k, if any, will the system have no solution, a unique solution, and infinitely many solutions? (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) x - 2y + 82 = 6 x
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solve the following trigonometric equation on the interval [0, 2) 2sin x + 3 = 1 1. 5/6, 7/6, 2/3, 4/3 2. 5/6, 7/6, 4/3, 5/3 3. 4/3, 5/3 4. 5/3, 7/3, 2/3, 4/3

Dterminez le sens (relation positive ou ngative) de chacune des relations. Par la suite, classez-les en ordre croissant (de faible fort) selon la force de leur relation. Note : Rappelez-vous qu'il existe des formules mathmatiques nous permettant de dterminer la force exacte de la relation. Nous basons ici notre jugement sur un nuage de points,

Please explain 14. Submit answer Get help Practice similar
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De las respuestas que obtuvieron teorizaron 3 tipos de moralidades y 6 etapas. Cmo se llaman las 3 moralidades teorizadas por el equipo de Kohlberg

Find the surface area of the right cone given the radius and slant height shown 18
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I need to find the perimeter and area using pi and rounding to the hundred place \f
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Find and simplify the difference quotient f(x+h)-f(x)/h, h not equal to 0, for the given function. F(x)=x^2 -5x+3

Goode Manufacturing pays Patricia Lee $840 monthly Salary plus a 3% commission on merchadise she sells each month assam patricia's sale were $ 63, 800 for last month. Calculate the following amounts 1. Amount of commission - 82, 606 2. Gross Pay 460
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Senku tries to solve a really hard problem once each day. He has a 1/4 probability of solving it each day. What is the probability that he will solve it before his seventh try?

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