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Mathematics Questions and Answers September 30, 2022

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statistics homework help Wind Mountain is an archaeological study area located in southwestern New Mexico. Potsherds are broken pieces of prehistoric Native American clay vessels. One type of painted ceramic vessel is called Mimbres classic black-on-white. At three different sites the number of such sherds was counted in local dwelling
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12. There are ____T-1's in a T-3. a. 6 b. 12 c. 18 d. 24 e. 28

solve for x Directions: Circle the best answer for each quest 1. The figure is a kite. Solve for x. a. q b. 6.3 15x-7 12 x+ 26 = d. 4.5
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A random experiment was conducted where a Person A tossed five coins and recorded the number of "heads". Person B rolled two dice and recorded the average the two numbers. Simulate this scenario (use 10000 long columns) and answer questions 10 to 13.

1 The graph of a function is given. 4 X -2 2 4 2 (a) Determine the interval(s) on which the function is increasing. (Enter your answer using interval notation.) (b) Determine the interval(s) on which the function is decreasing. ( Enter your answer using interval notation.)
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Select the choice that is NOT a necessary prerequisite to solving addition and subtraction problems at the symbolic level. Question 15 options: a) The ability to connect groups and symbols b) The ability to write numerals 0-10 c) The ability to do concrete addition and subtraction problems d) The ability to identify numerals 0 to 9

Q1) According to a local business research, the hourly wage of workers in NY state follows a normal distribution with a standard deviation of $5.00, and a mean $23.00. A) What is the probability that a randomly selected NY resident has an hourly wage greater than $25.00? B) What is the probability that the average of 6 randomly selected NY

webassign.net/web/Student/Assignment-Responses/randomize?summaryIndex=2&dep=34398180&tags=autosave#question4028107_2 Relaunch to up [0/1 Points] DETAILS MY NOTES EWENMATH12 1.16.005. 3/100 Submissions Used PREVIOUS ANSWERS ASK YOUR TEACH Mary Lou received $15,000 from her grandparents for her college education 9 years prior to her enrolling in
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Differentiate and give 2 examples each of manifestation function and lantent function

Graph and explain what the similarities and differences are between these two graphs: 2. Write the equation of a line whose slope is undefined for a classmate to graph.

Questions : Let X1, . . . , X n be randomly distributed as normal distribution with mean 0 and variance b. Find the distribution of Z = (i 2;; X32
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Math 1316 Trigonomtric X HCC MyEagle X MUC HW Ch 2.5 x Do Homework - HW Ch 2.5 X + m/Student/PlayerHomework.aspx?homeworkid=670187664&questionld=1&flushed=false&cld=77... A> > Dalleine Digue Yonghue Question 5, 2.5.29 HW Score: 20%, 2 of 10 points Points: 0 of 1 Save The bearing from City A to City B is N 38 E. The bearing from City B to City C is
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The average time scheduled for a doctor's visit is 11 minutes with a standard deviation of 18 minutes. A researcher uses a sampling distribution made up of samples of size 129. (Use these numbers for this question only!) According to the Central Limit Theorem, what is the standard error of the mean?

The word "land" has the following meanings: (a) the solid part of the surface of the earth: an area of ground (b) a rural area characterized by farming or ranching (c) the people of a country (d) sometimes used figuratively, as in the land of dreams Which of these meanings is solely denotational

the problem is described as below, thank you so much 3. Suppose Y is Exponential with parameter 1. (a) Show that the moment generating function of Y is M(t) = >/(1 - t) for t . (b) Compute the skewness of Y. What is the smallest value it can take? Skewness of a random variable W is defined to be &(wow )3 where & denotes expectation
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Chrome File Edit View History Bookmarks People Tab Window Help 100% 47 Sun 4:32 PM Q ... Course Modules: MG315DLBF2 X *Chapter 17 Assignment.docx X Connect X + C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activit... to Zoom 00315.ppt Unit 8 Assignments i Saved
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The coefficient of determination: Choose one Represents the percentage of the data that can be explained by the correlation Is equal to the ratio of the explained variation to the total variation Is calculated by squaring the correlation coefficient. All of the above

Employees from Company A and Company B both receive annual bonuses. What information would you need to test the claim that the difference in annual bonuses is greater than $100 at the 0.05 level of significance? Write out the hypothesis and explain the testing procedure.

Wildcat Plumbing Supply Inc.: Do We Have Gender Differences? Wildcat Plumbing Supply has served the plumbing needs of Southwest Arizona for more than 40 years. The company was founded by Mr. Terrence St. Julian and is run today by his son Cory. The company has grown from a handful of employees to more than 500 today. Cory is concerned about

A medical statistician wants to estimate the average weight loss of those who have been on a new diet plan for 2 weeks. From a random sample of 100 participants in the diet plan, a mean weight change of -2.5 pounds and a standard deviation of 10 pounds are observed. In order to claim that the diet plan is effective, the whole part of the

17 A graph of a function f is given below. 4 10 -5 10 Sketch the graph of f71. y
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From a sample of of 42 items, a company wants to estimate the proportion of the population that is defective. Using the results of the sample given below , construct a 96% confidence interval to estimate that proportion. In the data below , a " y" denotes a defect n n n n y n y n n n n n n n n n n n y n n n n y n n n n n n n y y n n y n n n n n n

Student federal loans: A Brookings Institution report, "Are College Students Borrowing Blindly?", suggests that undergraduate students may be confused about their debt. For example, among all first-year U.S. undergraduate students with federal loans, 28 percent said they didn't have any federal debt at all. Let's assume this is true for the
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This is confusing D 2. a.) How do you know that the above diagram does not contain an Euler circuit
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Colonel Mustard was interested in improving the reaction time of the cadets in his military school. He tested them at baseline, and twice weekly for the next ten weeks while increasing the amount of "quickness foods" that the cadets ate. At the end of the 10 weeks the students' reaction time had improved . What else could have caused the cadets to

Consider the following data: Using Minitab to answer the following questions: Y X1 X2 X3 X4 X5 X6 381 46 185 -16 -3 1.1 24.4 2040.8 86 282 5 0 10.9 20.9 978.7 53 183 6 -47 7.6 22.6 668.2 64 248 -22 -7 5.1 26.8 677.1 55 201 0 2 5.9 29.2 1128.8 88 305 -3 -2 7.1 23.1 514.6 53 198 6 -2 3.9 24.1 1154.9 84 301 -3 -1 7.5 28.1 502.8 58 219 -15 -4 1 27.5

The regression equation, y = 8.5x + 30, is obtained after performing a regression analysis, where x represents the number of hours studied for an exam and y represents the marks on the exam. Is the following statement true or false regarding the analysis above? (2 points) If the regression square (R^ 2) is 0.949, the number of hours studied is

Identify true statements about the components in problem solving. (Check all that apply.)

Draw the mechanism of the transformation from 2 to 3. Ch. EtOH
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This mathematician has a test named after him (it was funded for many years by Hugh Loebner), used to assess how human-like a computer's interactions are. a) Gordon Welchman b) Ian Fleming c) Winston Churchill d) Alan Turing

Creative management, whether in public administration or private industry, depends on methods of inquiry that maintain objectivity, clarity, accuracy and consistency". Discuss this statement and examine the significance of research".

I'm on my last attempt and lost :( Write an equation for the graph shown below. Use y as the dependent variable. L
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Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) log y = 0.921 y
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Is there a difference in the amount of airborne bacteria between carpeted and uncarpeted rooms? In an experiment, seven rooms were carpeted and seven were left uncarpeted. The rooms are similar in size and function. After a suitable period, the concentration of bacteria in the air was measured (in units of bacteria per cubic foot) in all of these

Which of the following is a key factor in the splintering of the mass market? Question 10 options: growth in the middle class growth in the lower class shrinkage in the middle class shrinkage in the lower class True or False Question 11 (1 point) Saved Generally, when an item can be obtained at deep discounts, it means that the product is at the

Company XUT decided to tweak the formula of its primary beverage product. However, consumers did not like the new product and sales fell by 9%. How much were sales after the introduction of the new flavor if sales before the introduction were $859 million? O $743.47 million O $856.31 million O $781.69 million $821.73 million

A property has a market value of $150,000. Assessed values for tax purposes are one-third of the market value. The annual property tax rate is $20 per thousand of the assessed value. What is the property's semiannual tax? O A) $500 O B) $2,000 0 c) $550 O D) $1,000

why is there a need to study the Life, Works and Writings of Rizal according to the Late Senator Jose Laurel?

Question 10 options: Eyeglassomatic manufactures eyeglasses for different retailers.They test to see how many defective lenses they made in a time period.Following table gives the type of defect and the number of defects of that type that occurred. Table: Type & Number of Defective Lenses Defect type Number of defects Scratch 5865 Right shaped -
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It is now time to implement the main function str_to_seconds. This function is a little more complicated and may take more than one line. However, this is still a relatively easy function to implement. Remember that there are 60 seconds to a minute and 60 minutes to an hour. Beyond that, you are on your own

True/False Question: Indicate in the answer box whether the following statement is true or false. If false, correct the statement. With a forced exhalation we can remove all air from our lungs, because we are exhaling our residual volume

You are looking for a home in a particular neighborhood, and you want to know the typical number of bathrooms and bedrooms, the square footage, and the appraised value of houses in that neighborhood. Which measure of central tendency (mean, median, or mode) would be the most appropriate for each piece of information listed. What does this mean? Is

Using Chebyshev's inequality derive a bound for how many simulations you would have to run to ensure that the natural estimator for a certain probability of interest is within 0.001 of the truth. With a probability at least 0.95.

n what follows use any of the following tests/procedures: Regression, multiple regression, confidence intervals, one sided T-test or two sided T-test. All the procedures should be done with 5% P-value or 95% confidence interval. Some answers are approximated, choose the most appropriate answer. OpenPollutiondata. SETUP: Is it reasonable to claim

For which of the following is at -test appropriate for performing a hypothesis test? Select the correct answer below: A sample mean of19 minutes and a population standard deviation of3 minutes are obtained using a simple random sample of the commute times of10 individuals from the residents of a city. A sample mean of21 miles per gallon and a

a Suppose that fel,e2) = and that where a and b are real numbers and b / 0. Diagonalize f, or state that this isn't possible. BEFORE YOU ANSWER, please look at the slide "Summary: Diagonalizing a Linear Function" (p.4) in Post-Class 16. 0 fu,v} = a 0 a , where {U, V} is an eigenbasis for f. Ofju,v} = a/b 0 0 a/b , where {U, V } is an eigenbasis
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A restaurant has an annual demand for 899 bottles of California wine.It costs $1 to store 1 bottle for 1 year, and it costs $9 to place a reorder.Find the optimum number of bottles per order. The optimum number of bottles per order is ____

Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expressions. Give the exact answer. In(x-7)+ In(x+2)= In(x-23) Rewrite the given equation without logarithms. Do not solve for x. |
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Ducati can be considered a ____________, and Harley-Davidson is positioned as a _____________. Question 9 options: Focused differentiator, Broad differentiator. Focused differentiator, Focused differentiator. Focused differentiator, Focused cost leader. Broad differentiator, Broad differentiator

Discussion Assignment: Now that you are nearly halfway through the course, discuss your approach to learning the material. Explain a math concept that was the most difficult for you this quarter so far. How did you modify your approach to the learning (time management, tutoring, incorporating various learning strategies, etc.) to help you better

The mean of a population is76and the standard deviation is14. The shape of the population is unknown. Determine the probability of each of the following occurring from this population. Appendix A Statistical Tables a. A random sample of size34yielding a sample mean of81or more b. A random sample of size150yielding a sample mean of between73and78

The type of health insurance coverage for individuals in a selected city with 45,000 people are: Uninsured 18% Medicare or Medicaid 34% Private Insurance 48% How many people are covered by Medicare or Medicaid? Round to the nearest thousand

I am stuck on this, please help Statistic College Degree No College Degree Mean 42.1 hours 39.6 hours SD 15.4 hours 15.5 hours n 479 624 1. Create a 99% confidence interval for the difference in number of hours worked between the two groups. Round results to four decimal places. ( I )
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I 1. The height, h, in metres of a sunflower plant is modelled by A(r)= ian where { is the time, in months, after +I" the seed is planted. a) Determine the average rate of change of height between month 4 and month 8. b) Determine the instantaneous rate of change of height after 6 months. 1. Find the slope of the tangent to each curve below at the
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Eckla teacher planner. C Clever 57 3(A-E) - 23-24 n Quiz Liz is shipping a package to her friend. The maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. Write and solve an inequality to describe the possible weight in pounds, w, of the contents that Liz will ship to her friend if she must use a medium
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A total of 20 automobiles were taken as a sample and the miles per gallon, horsepower, and weight of the vehicle were measured. Three different regression equations were estimated. The results of the regressions are given below. Equation 1 Y = 53.87 - 0.27x1where x1is horsepower r = 0.87761, adjusted r2= 0.78229 Equation 2 Y = 57.53 - 0.02x1where

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The data for Single Family Home sales in 3 areas (Hamilton and Galloway Townships and Northfield City) for the period of January 1, 2012 and April 19, 2012 is attached. The data consists of the sales price and the square footage of each home sold. a. Find the correlation coefficient between the sold price and square footage for each area and test

I Camera store believes there is a relationship between the number of times they advertise on TV daily times and the number of cameras they sale are they correct? What happens to Cameron sales if that advertise five times a day? Read picture below for full question Problem A camera store believes there is a relation ship between the the of times
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Refer to the graph below. Total profit is: 36 MC1 32 28 24 20 ATCD 16 12 AVC1 8 4 6 12 18 24 30 36 42 48 54 O $132 O $288 O $243 O $144
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A website advertises job openings on its website, but job seekers have to pay to access the list of job openings. The website recently completed a survey to estimate the number of days it takes to find a new job using its service. It took the last 30 customers an average of 60 days to find a job. Assume the population standard deviation is 10

It is estimated that 0.5%of the callers to the billing department of Telkom Kenya will receive a busy signal. What is the probability that of today's 1200callers at least five received a busy signal

Hemos detectado en nuestro proyecto que el IDC es igual a 1.05, lo que nos indica que? A. Nuestro proyecto ha gastado menos de lo planeado. B. Nuestro proyecto est adelantado con respecto al plan. C. Nuestro proyecto ha gastado ms de lo planeado. D. Nuestro proyecto est atrasado con respecto al plan

Hi, I need help with this problem. (1 point) Find an expression for the function f(x) whose graph is a line passing through the points (5, 6) and (8, 6). f(x) =
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Find the standard deviation for the following set of data. Make sure to round your answer to the nearest tenth. 45, 67, 32, 55, 67

For each of the following statements state if it is true or false. (a) Every function must have at least one local maximum, local minimum, global maximum, or global minimum. (b) If a global maximum exists and a global minimum exists, they could be equal to each other. (c) if a function f has a global min at x=a, then f has a local min at x=a (d)

Cul de los siguientes elementos ha disminuido los costos de coordinar y monitorear la produccin a distancia? a. La falta de avances en tecnologas de comunicacin. b. La necesidad de proximidad geogrfica. c. La reduccin en la calidad de las tecnologas de la comunicacin. d. Los avances en tecnologas de informacin y comunicacin

In the Tuckman model, the steps can move backwards as well as forward. Question 15 options: True False

Lee y escoge la opcin correcta para los espacios en blanco. Read and select the right option for the blanks. Hace muchos aos que los defensores del medio ambiente 1.________(pedir) vehculos menos contaminantes y energa ms limpia y 2.________(sugerir) la electricidad como alternativa. Hoy en da, el gobierno de muchos pases ya 3.________(autorizar)

Let B equals open curly brackets open square brackets table row cell negative 3 end cell row 1 end table close square brackets comma space open square brackets table row cell negative 1 end cell row 1 end table close square brackets close curly brackets and C equals open curly brackets open square brackets table row 0 row cell negative 3 end cell

A simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were determined to be 80 and 12, respectively. Please help me how to calculate the standard error of the mean.

Arrivals at a post office may be modelled as following a Poisson distribution with a rate parameter of 78 arrivals per hour. Find: i. the probability of exactly six arrivals in a period of two minutes ii. the probability of more than two arrivals in 90 seconds iii. the probability that the time to arrival of the next customer is less than one

Im having some trouble with figuring out this kind of question, thanks! Determine whether the sequence converges or diverges. If it converges, give the limit. 48, 12, 3,3/4, ...

Which sentences uses all commas correctly? A. The car, which has ignition trouble, is hard to start. B. The car which has ignition trouble is hard to start. C. The car, that has ignition trouble, is hard to start. 20 points Question 1 of 5 Next

Records on a fleet of trucks reveal that the average life of a set of spark plugs is normally distributed with a mean of 22,100 miles. A manufacturer of spark plugs claims that its plugs have an average life equal to 22,100 miles. The fleet owner purchased 18 sets and found that the sample average life was 20,800 miles, the sample standard

How do I find alpha and beta? a b = - (Round to the nearest hundredth as needed.) a = - (Round to the nearest tenth as needed.) [3 = |:| (Round to the nearest tenth as needed.)
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Use this following information to answer question 21: The following sample data taken from the "Back of the Bike" ice cream company, and. contains the temperature (Temp.) and the number of boxes of ice cream sold (#boxes): Temp. # boxes 51 5 73 17 88 28 84 25 93 31 98 33 21)The correlation coefficient is A. 0.99 B. 0.78 C. 0.76 D. 0.92

How do I find the size of each group size assuming all groups are equal in size from an ANOVA table?

You have $50,000 to invest in three stocks. Let Ri be the random variable representing the annual return on $1 invested in stock i . For example, if Ri = 0.12, then $1 invested in stock i at the beginning of a year is worth $1.12 at the end of the year. The means are E ( R 1) = 0.17, E ( R 2) = 0.15, and E ( R 3) = 0.12. The variances are Var R 1=

Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 149 millimeters, and a standard deviation of 8 millimeters. If a random sample of 50 steel bolts is selected, what is the probability that the sample mean would be less than 148.1 millimeters? Round your answer to four decimal places.

Twenty percent of Americans age 25 to 74 have high blood pressure. If 16 are randomly selected Americans ages 25 to 74 are selected find one-half will have high blood pressure.

Hello dear tutors, hope you're doing well today, i have a few statistical problems for homework but i wasn't able to solve 3 of them can you please help me to solve the problems explaining minitab steps, with pictures, and procedures? A study is made on the effectiveness of three brands of atomizer to kill flies. For this, each product is applied
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The number 4.0 10 has ___ significant figures

A rock is thrown into a still pond. The circular ripples move outward from the point of impact of the rock so that the radius of the circle formed by a ripple increases at the rate of 5 feet per minute. Find the rate at which the area is changing at the instant the radius is 8 feet. when the radius is 8 ft the area is changing at_____ sq ft per min

Express the number 554,780,000,040 in scientific notation to three significant figures

What is the probability that a sample of 20 funds will have a mean value of less than 12 or greater than 18? Do you need to rely on the Central Limit Theorem in order to solve this problem? Explain briefly. https://www.coursehero.com/u/file/56837579/Retirement-Funds-Analysis-Part-1docx/#doc/qa

29.Which of the following would you try to reduce in order to increase your power? a)MScolumn b)MSwithin-cells c)MSrow d)MSinteraction

Collaboration Component Please complete this four-part guide, and submit it for the collaboration component. 1. Collaboration lesson/task description: Describe the lesson or task you completed collaboratively in a paragraph consisting of five or more sentences. 2. Peer and self-evaluation: Rate each member of the team, including yourself,
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t-tests.....In exercise 2, data are pre and post-test Composite Test Scores. Here is the question, "Did students who finished the program have a significantly different score at the end of their respective programs?" Assignment 3 asks: "Did two different groups of students in the program score the same on their respective midterms?" Please provide
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Question: create 3 equations of the form ax+by+cz=d, where a, b, c, and d are constants ( integers between - 5 and 5). For example, x+2y-z=-1. Perform row operations on your system to obtain a row-echelon form and the solution. Go to the 3D calculator website GeoGebra: www.geogebra.org/3d?lang=pt and enter each of the equations. Could you provide

Solve: sqrt(x-6)=-6 Enter the exact answers.

What are your goals (career and/or educational) after you leave your university? QUESTION 1 A sample of 60 light bulbs had a mean lifetime of 613 hours. A 95% condence interval for the population mean was (600, 626). Which one of the following statements is the correct interpretation of the results? F" 95% of the light bulbs in the sample had
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Identify the explanations for each of the following three concepts in the same order as they are written. Triangulation - epicenter - magnitude Group of answer choices locate the focus - hypo-center - amplitude 3 seismograph stations - actual land rupture - Mercalli scale 2 or more seismographs - point above the focus - amplitude locating the

En un patrn de tendencia alcista, cual de las afirmaciones siguientes es la correcta: Pregunta 4Respuesta a. El volumen solo es relevante en las fases contractivas de precios b. El volumen debe confirmar la tendencia tanto en las fases expansivas como en las correctivas c. El volumen no es relevante para su anlisis d. El volumen solo es relevante

What is precision? Choose one 1 point Precision is a ratio of false positives to the sum of tickets. Precision is a addition of true positives from the sum of true and false positives. Precision is a subtraction of true positives from the sum of true and false positives. Precision is a ratio of true positives to the sum of true and false positives

What is a good context for teaching adding and subtracting of integers? A) Temperature of an oven B) Ages of people C) The game of baseball D) Altitude of hot air balloons

How many major dimensions does OCD have? Multiple choice question. 10 8 2 4

Concrete cylinders can have dimensions of Group of answer choices 4" x 8" None of the sizes 6" x 12" Both of the sizes

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