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Mathematics Questions and Answers June 08, 2023

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Enter the formula of the quadratic polynomial which passes through the points (1,13), (1,3) and (3,33)

29)use the shell method to find the volume of the solid The solid formed when a hole of radius 3 is drilled symmetrically along the axis of a right circular cone of radius 6 and height 9.

What is the fully diluted value per share of Series A following Round 2? Between Round 1 and Round 2, which has grown faster

The distribution of students' ages in your school (college, or university) is approximately normal with a population average of 26.3 years and a standard deviation of 2.4 years. a. In what percentile is the age of your 24-year old friend? Round to next percentile b. What is the probability that a randomly selected student is between 22 and 26

The file given below contains data on 1000 customers of HyTex, a (fictional) direct marketing company, for the current year. The definitions of the variables are fairly straightforward, but details about several of them are listed in cell comments in row 1. The data has been collected in the Microsoft Excel Online file below. Open the spreadsheet

Which of the following equations is equivalent to 5 = 4z + 13? A.) 13 = 4z + 5 B.) -2 = 3z + 4 C.) -10 = 2z - 12 D.) 4 = 5z - 11

A tank was modeled in a pyramid shape of height using four different planes: -4/3x-4y+z=-4, 2x-4y+z=-4, 2x+y+z=-4 and -4/3x+y+z=-4. How much water can the tank afford using double integration? Answer Request

Please answer all the questions correctly, I really need them t be correct. thank you!

Select the correlation coefficient that is represented in the following scatterplot. \f
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2. How much is saved on a $237 bill that has a discount of 34%

The local professional basketball team pays the following annual salary to its starting five members (in millions of dollars): 12.6, 17.8, 19.3, 15.9, and 16.4. What is the median salary of the starting five? Question 9 options: 1) 16.4 2) 15.9 3) 15.03 4) 17.05

An online retailer wants to study the purchase behaviors of its customers. Figure 3.27 shows the density plot of the purchase sizes (in dollars). What would be your recommendation to enhance the plot to detect more structures that otherwise might be missed? Figure 3.27 Density plot of purchase size \f
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Assume that x=x(t) and y=y(t). Let y=x 2 + 5 and dx/dt=3 when x=1. Find dy/dt when x=1/

Air pressure p at h meters above sea level is given by the formula p ( h ) = 101,325(1 - 2.25577 10-5 h )^5.25588. The quantity p ( h ) is measured in Pascals. How much does air pressure change as one moves from 100 meters above sea level to 1000 meters above sea level?

Imagine that you are in conversation with Tartaglia. Formulate a question regarding Tartaglia's "New Science" or Nova Scientia and ask him. NOte that the question MUST be a derived and detailed question rather than a simple ask for concepts

6. Gravetter/Wallnau/Forzano, Essentials - Chapter 10 - End-of-chapter question 6 Two separate samples receive different treatments. After treatment, the first sample has n = 6 with SS = 236, and the second has n = 12 with SS = 340. The pooled variance for the two samples is Compute the estimated standard error for the sample mean difference.
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Sabas que Javier Gutirrez (el actor que interpreta a Marco Montes en Campeones) (rechazar) un papel en una serie que luego (convertirse) en todo un fenmeno cultural? Pues, s, lo (hacer) al no aceptar el papel de "El Profesor" en la serie "La casa de papel" (Money Heist en Estados Unidos). 2) Por qu (tomar) esa decisin si todo el mundo (pensar) que

Match the claim with its complement. P = 0.4 P # 0.4 P > 0.4 p 5 0.4 p s 0.4 P - 0.4 P 2 0.4 p
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Construct the confusion matrix using a cutoff value of 0.5 to classify a profile observation as a user of the promotional coupon they were sent (Coupon) or not

You are interested in determining if there is a relationship among your students between their height and GPA. 1) Open your file in JAMOVI and check your assumptions (in particular: bivariate normal distribution, linear relationship, no significant outlier

Part I. True or False: Place a T or an F, whichever you consider correct, in the box before each numbered statement. risk can be measured by the probability and severity of adverse effects

A residential heat pump system is installed. The bill for the system is $3,950. If the bill is paid within 10 days, an 11% discount is given. If the bill is paid after the 10 days and before 30 days, a 5% discount is given. a. What is the cost of the system if the bill is paid on the 8th day? b. What is the cost of the system if the bill is paid

SHELBY MURPHY IS A 30 YEAR OLD DAY CARE WORKER WHO COMES TO THE WALK-IN CLINIC WITH COMPLAINTS OF ITCHING, (WORSE AT NIGHT) ON HER HANDS, ARMS, AND ABDOMEN THIS HAS BEEN BOTHERING HER FOR SEVERAL DAYS NOW WHAT IS YOUR DIAGNOSIS WHAT WILL YOU PRESCRIBE HOW WILL THIS WORK PHARMACOLOGICALLY

For the complex numbers z = 3 - 5i and w = 2 + 5i , find the following (simplify and write each answer in the form a + bi): (a). zw Answer : zw = _________________________________ (b). Answer : z/w = _________________________________

3) Aparticlemovesalongthex-axiswithitspositionontheaxisattimetgivenbyp(t)=2t+ 4/(6t) , 0

Select all that apply Which of the following items are valid considerations in the choice of sample size? Select all that apply. Multiple select question. The population dispersion. The margin of error the researcher will tolerate. The desired level of confidence. The median population being studied

Initial Prompt Instructions You will be the expert: Imagine you are teaching a class on controlling microbial growth in the environment. To test your students, you will present them with a scenario including a site and some probably microbes present. They must design a strategy to eliminate harmful microbes from the area. In this discussion, each
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7 Polling is the process of permitting all clients to transmit or receive at any time. True False

A confidence interval is constructed using the formula xzn. Match the symbols to their definition. Drag and drop application. x x drop zone empty. drop zone empty. n n drop zone empty. n n drop zone empty. z z drop zone empty. The standard error. The sample mean. The population standard deviation. The sample size. Standard normal confidence level

You have joined a producer of a part for an auto maker. The user specification for the part must be held to 7.96 inches plus or minus 0.02. Sample 7.96 Average Range 7.95 - 7.95 7.96 7.9550 7.96 0.01 7.93 7.94 7.94 7.9425 0.03 8.01 7.93 7.97 7.95 7.9650 0.08 7.94 7.98 7.97 7.95 7.9600 5 0.04 7.96 7.95 7.95 7.96 7.9550 6. 0.01 7.97 7.95 7.96 7.97
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Imagine that you are in conversation with Tartaglia. Formulate a question regarding Tartaglia's Letter of Dedication for his "New Science" or Nova Scientia and ask him. NOte that the question MUST be a derived and detailed question rather than a simple ask for concepts

Question in photo 5. A recent survey reported in Bloomberg Businessweek dealt with the salaries of CEOs at large corpo- rations and whether company shareholders made money or lost money. We obtained from the survey the following joint probability distribution CEO Made More Than CEO Made More Than Total $1 Million = 1 $1 Million = 0 Shareholders
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in a board game based on the average number of hours played is predicted using the least-square regression line, y hat equals 280.3 plus 85.7 times x, where y hat represents the total points scored and x represents the average number of hours spent playing the game. A player plays the game for an average of 3 hours and has a point total of 550.

The Z values of the limits of the area covering the middle 30.0% of the area under the normal curve are plus and minus

## Question 3 A basketball player is trying out a new technique to make a three-point shot. The player will continue to practice until he's made the shot 5 times. Let $X$ be a random variable describing the total number of *missed* shots during practice. While it may sound like $X$ could be modeled by a negative binomial distribution (number of
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Please help solve. 2-36 4 Follow the steps for graphing a rational function to graph the function H(x)= . x - 81 If needed, first write the given function as a single rational expression. Then, factor the numerator and denominator of H(x). Select the correct choice below and, if necessary, fill in the answer box to complete your choice ) A, Hx)=|
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1. Debemos tomar una decisin de cara al futuro, para ello vamos a analizar el perfil profesional de Lindsay de cara a tomar la mejor decisin, para ello, utiliza herramientas como un DAFO, CAME....y analiza las conclusiones obtenidas desde la perspectiva de sus habilidades profesionales y su nueva oportunidad profesional. Argumenta y explica los

Watch V Question Determine the equation of the circle graphed below. 10 x 1 2 3 4 5 6 7 8 9 10 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 --1 -2 -3 -4 --5 -6 --7 - 9 -10
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Suppose we have a group of 50 TV's and decide to sample 15. What is the probability that the 15 selected contain the best 5 TV's? 1 point 0.9986 0.0014 0.2449 0.1532

Let X be a continuous random variable with pdf {III} 0
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Tell whether a correlation Is likely in the situation. If so, tell whether there is a causal relationship. Explain your reasoning. 4 13. the amount of time spent talking on a cell phone and the remaining battery life 14. the height of a toddler and the size of the toddler's vocabulary 15. the number of hats you own and the size of your head 16.
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The Zobt value is ______ based on ______, but the Zcrit value is ______ based on ______. Question 20 options: calculated, probability, chosen, data calculated, data, chosen, probability chosen, data, calculated, probability chosen, probability, calculated data

The amount of income spent on housing is an important component of the cost of living. The total costs of housing for homeowners might include mortgage payments, property taxes, and utility costs (water, heat, electricity). An economist selected a sample of 20 homeowners in New England and then calculated these total housing costs as a percent of

The following chart is an example of a _____. This chart shows the x axis as months from January through December. The y axis is labeled as Number of Employees, increments shown in increases of 10 beginning with -30 and ending at 60. The bars that represent the data are shown in vertical rectangles. The rectangles are colored to show Gains in dark

Can someone help me solve this question?? Show me the method would be really nice of you. Thanks in advance!! (3} Find the value of c that satises the conclusion of the Mean Value Theorem for the function f(x) = lnx on the interval [2, 12]. {h} [f f{l} = T" and f'{x) E 3 for l i: x :1 5 then: according to the Mean Value Theorem, what is the
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content area top Part 1 The following data represent the number of grams of fat in breakfast meals offered at a local fast food restaurant. (a) Construct a stem-and-leaf plot and (b) describe the shape of the distribution. 8 29 19 21 27 14

A spherical balloon is being inflated. Find the rate of increase (with respect to the radiusr) of the surface area (S=4r^2) when: (B)r=4inchesRate of increase = (C)r=5inches Rate of increase =

these questions: * Use the t-test method to test the hypothesis * Provide Descriptive Statistics that includes N (sample size), means, median, range, standard deviation of each variable in a table

12. A car manufacturer claims that the average top speed of its newest cars is 145 mph. A sample of 87 cars showed that their average top speed was 150 mph, with a sample standard deviation of 19 mph. Test this hypothesis using a 1% significance level

Which option most accurately describes anWhich of the following describes the organizational characteristics of a symmetrical design? a.) Uneven distribution, centered axis b.) Even distribution, centered axis c.) Uneven distribution, de-centered axis d.) Even distribution, de-centered axis element of visual design in this image? a.) Line: the

L.L. Bean is a large retailer that depends heavily on its coupon disbursement. It collects data internally and tracks the number of coupons mailed out, the number of square inches of each coupon, the sales ($ thousands) in the four weeks following each mailing. The company is interested in learning more about the relationship (if any) among the

The chi-square test described in this chapter can be used for tables with more than two rows and/or columns. Use technology to find the p -value for each of the following chi-square statistics calculated from a table of the specified number of rows and columns. If applicable use R-studio please (a) two rows and three columns; chi-square statistic

The price of a certain computer stock t days after it is issued for sale is p(t)=100+20t-3t^2 dollars. The price of the stock initially rises, but eventually begins to fall. a) During what period of time does the stock price rise? I have already figured out that... dp(t) / dt = 20 - 6t = 0 6t = 20 t = 20/6 = 3.33 but I am not sure how to find the

S22 Sorted data.xlsx My StatCrunch StatCrunch Applets Edit Data Stat Graph Help var14 Row Siblings Credits Bowling Study Sleep Completed Seri Math Feelings var9 var9 var10 varl1 var12 var13 0 3 40 7 0 1 Favorite Series NN 52 35 O 2 Breaking Bad: 60 2 35 0 2 Cobra Kai: 9 w w W 68 2.3 35 O 2 Queen's Gambi a U A W N 3 75 3 35 2 Stranger Thing 3 90 3
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Question 1 2 pts Consider the following hypothesis statement using alpha = 0.02 and data from two independent samples: HO: /1 - M2 = 0, Ha: /1 - 12 0 x1 = 14.6, $1 = 5.8, n1 = 25 2 = 11.5, $2 = 5.8, n2 = 27 Assume the variances are equal. Calculate the standard error of the mean. Round your final answer to two decimal places. 1.61
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I have a semester exam coming up and my professor said there will be a handful of problems like this one. I simply don't understand how an equation is made from the numbers given. I know that the second question that usually accompanies these types of problems is just a "plug it in" kind of thing. So those are easy. I just need an explanation on

What is the ideal number of variables for the experimenter to alter at one time? Group of answer choices 0 - with change comes uncertainty 1 - so I have the possibility of assigning the effects to as few causes as possible 2 - if I change the dependent variables myself, I can be more certain of the results. unknown - it depends on the experiment

Now, strengthen your understanding of the following concepts and terms. Please define and explain how they are applied. In the first part of your initial post, Define probability and probability distribution. Provide two industry or organization examples when probability is used. Explain how probability is used to make business predictions

Which of the following statements correctly describe bar graphs? Select all that apply. 1 point The y-axis of a bar graph usually has a scale of values for the variables. Bar graphs are an effective data visualization when clarifying trends. In bar graphs with vertical bars, the x-axis is typically used to represent categories or time periods. Bar

Give the velocity vector for wind blowing at 5 km/hr toward the southeast. (Assume north is the positive y -direction.)

I try to solve this problem. Then I get x+y=1 then I don't know the next step. \f
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the classrooms in a psychology department are numbered from 200 to 210. the department chair records the number of classes held in each room during the spring semester. if the results needed fo be presented in a frequency distribution graph, the professor should uss a bar graph

An online retailer wants to study the purchase behaviors of its customers. Below Figure shows the density plot of the purchase sizes (in dollars). What would be your recommendation to enhance the plot to detect more structures that otherwise might be missed? \f
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The file drawer problem is caused partly by which of the following? The file drawer problem is caused partly by which of the following? scientists' skeptical attitude toward new results too much statistical power on the part of journal editors universities rewarding researchers for conducting lots of research journal editors' preference for

A rational function will have a hole if there is a factor that is the same in both the numerator and the denominator. This is because the factor can be cancelled out, leaving an undefined point in the function, which is the hole. For example, consider the rational function f(x) = (x - 2)(x + 3) / (x - 2)(x - 1). In this function, the factor (x -

How can decimals and fractions help prepare you for next week's class which includes percentages

Data on twins can be used to estimate unbiased estimates of the returns to schooling when: Group of answer choices The earnings of twins within a paper are identical The twins within a pair share the same omitted ability Each twin within a pair has the same level of schooling The twins within a pair are opposite sex

Use the Chain rule to find partial derivatives of the equation below. \f
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32,37,41,41,44,45,53,54,55,59,83 What is the Standard Deviation for the ages of Best Actor Winners? (Choose the answer that is closest to yours even if the decimals are off a bit.)
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4. Which of these is a electrophile BF. b. F d Ho
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The following game is played: First, imagine a fair three-sided die exists with sides 1, 2, and 3. It is equally likely for any of the three sides to land up. We'll call the number that lands up n. Next, a coin is flipped n times. The number of heads that come up we'll call x. Find the following: a) Find a joint probability mass function for x and

If you score at the 50th percentile on an intelligence test, this means that Question 46 options: a) half the people your age who took the test scored higher than you and half scored lower than you. b) you correctly answered half of the questions on the test. c) fifty people who took the test scored lower than you. d) you scored significantly

Correctly identify the prediction interval, rounded to 4 decimal places. Construct a 90% prediction interval for the price per gallon of milk when 165 billion pounds of milk is produced. The amounts of milk produced in the United States and the average prices (in dollars) per gallon of milk for nine years is given below. (Round to four decimal

7.2 Estimating a Population Mean. I want you to help me solve this question. it's a 2 part step to the question of answering the 2 questions, the question of help me solve this shows a step by step on how to do it all 2 part, I'm going to attach a photo of the question right below it. I also have a view an example to help on solving the question I
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Calculate C'(SNR), the derivative of your channel capacity function, with respect to S. What is the meaning of C' (SNR) in the context of this channel capacity scenario? Show all of your work details. C(SNR) = 250,000,000 (log2 (1 + SNR)) bps

i/ T 1. Graph the function 7 x) =cot| _'|;+E J Be sure to clearly label the axes and graph at least one full period L of the function. Answer: 2 T 2. Graph the function f(x)= 4cos| E.'l;+E JB. Be sure to clearly label the axes and graph at least one full Y period of the function. Answer: (Score for Question J._ _ Of 4 points) 3. The range of a
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Which of the following is a true statement about Non-Mastery questions? Incorrect answers are marked with a red "X" The number of attempts available is visible next to the Try Another Version button Correct answers are marked with a green check mark Partially correct answers are marked with a partially shaded circle All of these answers

Heights (cm) and weights (kg) are measured for 100 randomly selected adult males, and range from heights of 138 to 189 cm and weights of 41 to 150 kg. Let the predictor variable x be the first variable given. The 100 paired measurements yield X = 167.41 cm, y = 81.32 kg, r=0.158, P-value =0.116, and = -103 +1.12x. Find the best predicted value of
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Which of the following measures of greenspace would MOST directly affect people's health? Group of answer choices Percentage of wallspace covered with nature pictures Percentage of land within 100 meters of residences covered in vegetation Hours per week in forested settings Average travel distance (from all daily locations - home, work, school,

If there are 5 sections for a history class with a total student count of 151, what is the smallest possible number of students in the section with the largest enrollment? show your work

Question#1: Please show calculations and explanations too! thanks!

From January 1846 through December 1848 semmelweis recorded births and the number that resulted in deaths of the mother at his hospital. The data is shown below.

A small startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. The number of hours for each employee are shown below. Construct a frequency table for grouped data using four classes. 1, 2, 18, 4, 13, 18, 12, 3, 17, 10, 3, 12, 15, 2, 15, 8, 5, 17, 18, 18

En una urna hay 100 canicas de colores: cincuenta son rojas, treinta son blancas y el resto son azules. Al mezclar las canicas en la urna y sacar una de ellas, cul es la probabilidad de que no sea roja? Tip: la probabilidad de un evento simple se obtiene con la siguiente frmula P parntesis izquierdo A parntesis derecho igual fraccin numerador F r

Given the equation f(x,y) =x 7 y 8 +9x 5 y, please show the approach towards solving the second partial derivatives. 1.) What is f xy (x,y)? 2.) What is f yx (x,y)?

2. Analyze the data using the 5 Time Series Models and identify the Best Model. Support your
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A researcher has identified multiple rival explanations as part of her research project. She is ______. Group of answer choices planning for extra hypotheses using a method of multiple working hypotheses researching hypotheses for extra variables exploring multiple causations for research

f the mean and median of a distribution are not equal, this indicates: a. The distribution is normally distributed. b. The distribution has a skewness of zero. c. The distribution is not symmetric around the mean; the skewness is not equal to 0. d. The distribution is discrete, rather than continuous

Correlation analysis involves Question 17 options: looking at two measures separately looking at two measures simultaneously comparing the means of two measures looking at one measure in two different ways

uanto costa? Write out the prices of these items. Modello You see: una cena per due persone = 100 You write: cento euro Question 1 with 1 blank tre biglietti per un concerto degli U2 = 365 1 of 1 Question 2 with 1 blank una vacanza a Capri per due = 5.315 1 of 1 Question 3 with 1 blank un appartamento = 425.200 1 of 1 Question 4 with 1 blank un

Add a statement to turn the following two statements into one of the valid argument forms studied. I love cheese. I'll have a cheese sandwich. Select an answer and submit. a. Missing premise: Either I love cheese or I'll have a cheese sandwich b. Missing conclusion: If I love cheese, I'll have a cheese sandwich c. Missing premise: If I love

Please help me with this precalculus question..Thank you! . 1 Use graphs and tables to nd the limit and identify any vertical asymptotes of Im . xvlr X _ O 1 ; no vertical asymptotes .0. -m;x=5 ICI m;x=-5
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Construct a stem-and-leaf display using stems 10, 11 . .. 20. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) stem | leaf 10 589 11 78 12 23 3 3 13 00233447 7899 14 001333 3445667 15 22333445577 16 34 48 17 3 18 NONE 19 NONE 20 19 Comment on the interesting features of the display. A typical birth
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State Upper H 0 and Upper H Subscript a in words and in symbols. Then determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Explain your reasoning. Sketch a normal sampling distribution and shade the area for the P-value. A security expert claims that less than 14% of all homeowners have a home security alarm. Question

there are two point charges on an x-axis q1 = 0m, q2 = 1.5m, and x = 2.0m. D) write the equation and solve for the eletric field at point x = 2.0m

A company that owns department stores advertised for one month on television and radio and in newspapers and spends the same amount of money on each of these three media. A random sample of 900 customers who visited this company's department stores during that month as a result of these promotional advertisements was asked which advertising medium

The Marriage Theorem states the necessary and sufficient condition for the existence of a Group of answer choices minimal cut. perfect matching. maximal flow. linear time algorithm

Find the mean, median, mode and range of the talk time column Brand Model price ($) Overall Score Voice Quality Talk Time (hours) AT&T CL84100 60 73 Excellent 7 AT&T TL92771 80 70 V. Good 7 Panasonic 4773B 100 78 V. Good 13 Panasonic 6592T 70 72 V. Good 13 Uniden D2997 45 70 V. Good 10 Uniden D1788 80 73 V. Good 7 Vtech DS6521 60 72 V. Good 7

There are a diverse range of Aboriginal and Torres Strait Islander language groups. State the estimated number of language groups across Australia. List two (2) language group names that are generally used and the corresponding state/territory/region

1: There are 3 forces acting on a ring. Determine the magnitude of and that will result in the ring being in equilibrium. The angle for is provided. The horizontal and vertical components of create a similar triangle to a 3-4-5 triangle

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