Which situation best represents a proportional relationship? Which situation best represents a proportional relationship?O Sandra sold 2 bracelets for $3 and 3 bracelets for $6.O Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes.O Lamont packed 27 glasses in 9 cases and 81 glasses in 27 cases.O Fernanda placed 8 pencils in 2 boxes and 16 pencils in 8 boxes.tudent masteryconT19kaa-9081ok-OFoSraled 3EAN

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Answered: Which situation best represents a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The value of y varies directly with c. If x = 2, then y = 7. Find the value of x if y = 84. The number of words Latisha can text, y, varies directly with x, the number of minutes spent texting. If Latisha texted 180 words in 5 minutes, find k, the constant of proportionality. The table represents a proportional relationship between x and y. Find the value of y when x = 38. 20 22 24 26 28 5. 5.5 6.5 C The cost of bananas, y, is directly proportional to x, the pounds of bananas purchased. If 2.5 lbs of bananas costs $1.50, find the total cost of 9 Ibs of bananas.
The Western community is composed of students, staff, and faculty. Students make up 55% of the Western community, staff make up 20%, and the rest are faculty. This past year 30% of students opted to get vaccinated for influenza, compared to 20% of staff and 90% of faculty. Based on this information what fraction of the Western community was vaccinated for influenza? Number (give at least five decimal places).
Donna wants to give her child some cough medicine. However, she is unsure about the dosage, so she reads the directions. She notices that the dosage differs based on age. Determine the independent variable and the dependent variable.
At the stadium, there are three lines for arriving customers, each staffed by a single worker. The arrival rate for customers is 140 per minute and each customer takes (on average) 1.1 seconds for a worker to process. The coefficient of variation for arrival time is 1.4 and the coefficient of variation for service time is 1. (Round your answerto three decimal places.) How much time (in seconds will an average customer spend in queue? seconds
Rhianna took a total of 8 quizzes over the course of 4 weeks. How many weeks of school will Rhianna have to attend this quarter before she will have taken a total of 20 quizzes? Assume the relationship is directly proportional.
Data comprises of the number of hours studied (x) and the exam grade (y) obtained for first 6 year students registered. The equation of best fit is given by: y= 67.071 + 4.535x. What is the correct interpretation of the equation?
The percentage of high school seniors using alcohol decreased from 68.4% in 1975 to 52.4% now. Express this change in two ways: (1) as an absolute difference in terms of percentage points and (2) as a relative difference in terms of percent. (1) The percentage of high school seniors using alcohol decreased by (Round to the nearest tenth as needed.) percentage points. %. (2) The percentage of high school seniors using alcohol decreased by (Round to the nearest tenth as needed.)
there is a proportional relationship between the volume measured and cups and the same volume measured in tablespoons in 3 cups is equivalent to 48 tbsp as shown in the graph. A. plot and label at least two more points that represent the relationship B. Use a straight edge to draw a line that represents this proportional relationship C. for which value y is one, y on the line you just drew D. What is the constant of proportionality for this relationship F. Write an equation representing this relationship using C for cups and tea for tablespoons. help I need answers today right nowwww
Jane collects data from 40 elementary school students and finds that the relationship between age (x) and score on a certain test (y) is given by y=3.2x+45. What can she extrapolate about the score a 16-year old will get on the test?
Two variables have a coefficient of determination of 0.8. Explain the significance of this value.
Suppose that weights of males in my family are N(250,24) where 250 and 24 are in pounds. I weigh 230 pounds. The percentage of males in my family that weigh more than me and less than my brother is 35%. How much does my brother weigh?

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