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Answered: Extra assignment Jan 2022 Due 01/30/22…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 17PS: Cholesterol Cholesterol in human blood is necessary, but too much can lead to health problems. There...

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Cholesterol Cholesterol in human blood is necessary, but too much can lead to health problems. There are three main types of cholesterol: HDL (high-density lipoproteins), LDL (low-density lipoproteins), and VLDL (very low-density lipoproteins). HDL is considered “good” cholesterol; LDL and VLDL are considered “bad” cholesterol. A standard fasting cholesterol blood test measures total cholesterol, HDL cholesterol, and triglycerides. These numbers are used to estimate LDL and VLDL, which are difficult to measure directly. Your doctor recommends that your combined LDL/VLDL cholesterol level be less than 130 milligrams per deciliter, your HDL cholesterol level be at least 60 milligrams per deciliter, and your total cholesterol level be no more than 200 milligrams per deciliter. (a) Write a system of linear inequalities for the recommended cholesterol levels. Let x represent the HDL cholesterol level, and let y represent the combined LDL VLDL cholesterol level. (b) Graph the system of inequalities from part (a). Label any vertices of the solution region. (c) Is the following set of cholesterol levels within the recommendations? Explain. LDL/VLDL: 120 milligrams per deciliter HDL: 90 milligrams per deciliter Total: 210 milligrams per deciliter (d) Give an example of cholesterol levels in which the LDL/VLDL cholesterol level is too high but the HDL cholesterol level is acceptable. (e) Another recommendation is that the ratio of total cholesterol to HDL cholesterol be less than 4 (that is, less than 4 to 1). Identify a point in the solution region from part (b) that meets this recommendation, and explain why it meets the recommendation.
A fund-raising company is putting together a student kit of candy bars for a school to use in its annual support campaign. To maximize sales, the company will put more of the most popular candy bar sold in an average day in each kit. The company’s research shows that of the five most popular candies, local vending machines sell 100 of Candy A, 14 of Candy B, 50 of Candy C, 6 of Candy D, and 45 of Candy E on an average day. Which candy on average is the most popular candy? Which averaging method did you use?
The analysis of risk and the search for yield in companies is determinant for financial success. In this case, consider the stock price and dividends of the companies Power Electric Industries, Riviera Power Inc. and Nature Energy Corp. for the period from 2014 to 2019. Power Electric Industries Power Electric Industries Riviera Power Inc. Riviera Power Inc. Nature Energy Corp. Nature Energy Corp. year Year Stock price Dividends Year Stock price Dividends Year Stock price Dividends 2019 $18.5 $1.50 $38.5 $4.50 $58.5 $3.50 2018 $15.93 $1.10 $40.93 $3.10 $50.93 $2.10 2017 $10.20 $1.00 $43.20 $3.00 $53.20 $3.00 2016 $9.80 $0.90 $50.80 $2.90 $50.80 $2.90 2015 $8.50 $0.85 $48.50 $2.85 $48.50 $2.75 2014 $8.00 $0.80 $45.00 $2.80 $45.00 $2.60 6. Calculate the percentage volatility (betas) of Power Electric Industries and Riviera Power Inc. by running regressions from the returns.…
Solaris Pte Ltd is a manufacturer of solar panels used by many organisations in solar farms to produce electricity in Singapore. The last few years had been tough. The COVID19 pandemic had shutdown many economic activities leading to poor sales in solar panels. In more recent times, with many countries in the world embracing endemic COVID and opening up their borders, economic activities are restarting. The CEO of Solaris is optimistic even though there are other challenges like sharp spikes in oil and gas prices, war in Ukraine and frequent supply chain disruptions Table 4 shows the past quarterly sales data of solar panels sold by Solaris in terms of units per quarter for the last three years. Sales data are only available right up to the second quarter of 2022. The CEO would like its sales manager to forecast sales for the next 4 quarters ahead from 2022 Q3 to 2023 Q2. Suppose you are the Sales Manager at Solaris. Using the Weighted Moving Average (WMA) method,…
Preferred Show YAH WIKI YT WIKI GOOG YT YAH GOOG GOOG GOOG WIKI GOOG YAH YAH YAH YAH YT GOOG YT YAH GOOG FB FB FB FB GOOG GOOG FB FB WIKI FB YAH YT YAH YAH YT GOOG YAH FB FB WIKI GOOG YAH WIKI WIKI YAH YAH YAH YAH YAH In a recent report, the top five most-visited English language web sites weregoogle.com (GOOG), facebook.com (FB), youtube.com (YT), yahoo.com (YAH), andwikipedia.com (WIKI). The most visited web sites for a sample of 50 Internet users areshown. (Please refer to the Website Data)a. Are these data categorical or quantitative?b. Provide frequency and percent frequency distributions.c. On the basis of the sample, which web site is most frequently the most often-visited website for Internet users? Which is second?
The file MidCity Download MidCitycontains data on 128 recent sales in Mid City. For each sale, the file shows the neighborhood (1, 2, or 3) in which the house is located, the number of offers made on the house, the square footage, whether the house is made primarily of brick, the number of bathrooms, the number of bedrooms, and the selling price. Neighborhoods 1 and 2 are more traditional neighborhoods, whereas neighborhood 3 is a newer, more prestigious neighborhood. Part A) Do buyers pay a premium for a brick house, all else being equal? Use one Excel spreadsheet labeled Prob3a to show your work for this problem. Part B) Is there a premium for a house in neighborhood 3, all else being equal? Use one Excel spreadsheet labeled Prob3b to show your work for this problem. Home Nbhd Offers Sq Ft Brick Bedrooms Bathrooms Price 1 2 2 1790 No 2 2 228600 2 2 3 2030 No 4 2 228400 3 2 1 1740 No 3 2 229600 4 2 3 1980 No 3 2 189400 5 2 3 2130 No 3 3 239600 6 1 2 1780 No 3 2 229200…
In the Philippines, we have a number of celebrities that have transitioned into visual artists, like Richard Gomez, Heart Evangelista, and Solenn Heussaff. The majority of their work has been exhibited in both popular and prestigious museums, such as the Ayala Museum. Meanwhile, non-celebrity musicians struggle to gain exposure and establish a foothold in such a crowded field. Which organizations or processes aided superstars in their rapid ascension to fame as visual artists? How does this sum up the situation of our country's art industry at the moment?
Television has become one of the major sources of health information of all types. In addition to news programs that report results of medical "breakthroughs" and discoveries of new drugs to treat chronic health conditions, televised medical talk shows have become very popular sources of medical information. Two medical talk shows with high viewership are The Dr. Oz Show and The Doctors, each with over 2 million viewers per daily show. Both shows provide recommendations related to diet (such as immune boosting diets), weight-loss, and a wide variety of general medical topics. These shows typically make 11 or 12 recommendations per one-hour episode. The medical talk shows, particularly The Dr. Oz Show, frequently generate skepticism and criticism from medical professionals. Scientific evidence to support the recommendations is often not presented and information indicating possible conflict of interest is given for only a tiny fractional percentage of the recommendations. In a recent…
Cranberry juice It’s common folk wisdom that drinkingcranberry juice can help prevent urinary tract infections inwomen. In 2001 the British Medical Journal reported theresults of a Finnish study in which three groups of50 women were monitored for these infections over 6months. One group drank cranberry juice daily, another group drank a lactobacillus drink, and the third drank nei-ther of those beverages, serving as a control group. In the control group, 18 women developed at least one infection,compared to 20 of those who consumed the lactobacillusdrink and only 8 of those who drank cranberry juice. Doesthis study provide supporting evidence for the value ofcranberry juice in warding off urinary tract infections?a) Is this a survey, a retrospective study, a prospectivestudy, or an experiment? Explain.b) Will you test goodness-of-fit, homogeneity, orindependence?c) State the hypotheses.d) Test the conditions.e) How many degrees of freedom are there?f) Find x2and the P-value.g) State…
Economists theorize that the recent recession has affected men more than women because men are typically employed in industries that have been hit hardest by the recession. Women, on the other hand, are typically employed in services which are considered more recession resistant. A sample of 165 men and a sample of 140 women were drawn. In those samples, 20 men were unemployed, and 13 of the women were unemployed. Complete parts a and b below. Economists theorize that the recent recession has affected men more than women because men are typically employed in industries that have been hit hardest by the recession. Women, on the other hand, are typically employed in services which are considered more recession resistant. A sample of 180men and a sample of, 160 women were drawn. In those samples,19 men were unemployed, and 10 of the women were unemployed. Complete parts a and b below. a. What is the test statistic? What is/are the critical value(s)? b. Determine the p-value and…
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Two employees (Molly and Jim) must conduct a data analysis project on the success of a firm’s marketing efforts and then write a report of their findings for consideration by the firm’s board. If the first employee, Molly, worked completely alone, she could finish the data analysis component of the project with 30 hours of work and could write the report with an additional 10 hours of work. If Jim worked alone, he would take 48 hours of work to conduct the data analysis and then 12 hours to write the report. Assume that both employees need to contribute to the project, that there would be no benefits to having two people work on the same part of the project (data analysis and writing), and that working on the two parts are independent (i.e. there is no benefit to working on both parts). Which employee has the comparative advantage in conducting the data analysis? Explain

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Extra assignment Jan 2022 Due 01/30/22 11:59pm Graph the solutions of the given system of linear inequalities. Sy<4x-1 Use the graphing tool to graph the system. Click to enlarge graph