Relationship Between Gas Bill and TemperatureDollars14012010080604020087/8-120Gas Bill12020-7O-7/840The scatter plot above depicts the relationshipbetween a temperature measured in metersdegrees Fahrenheit (T) and dollars measured indollars (D). The line of best fit is shown.60The equation of the line of best fit is D=120 -(7/8) TWhat is the slope of the line of best fit?Temperature F80100 Take a look at the scatterplot below with thecorrespondingbest fit regression line.My grumpiness (0-100)90807060504056TrueFalse7My sleep (hours)8The independent variable is "My Grumpiness."9

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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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Find the equation of the line of best it from the data in the table. Round the slope and the y-intercept to the nearest hundredth. x0345 12 8269 12 O A y=0.53x+4.88 OB. y=0.63x+4.88 Oc. y=043x+4.98 O D. y=073x +4.98
The rate at which a professional tennis player used carbohydrates during a strenuous workout was found to be 1.6 grams per minute. If a line were graphed showing time (in minutes) on the horizontal axis and carbohydrates used (in grams) on the vertical axis, what would be the slope of the line? many carbohydrates (in grams) would the athlete use in 40 minutes? grams
The scatter plot shows the time spent studying, x, and the quiz score, y, for each of 23 students. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the quiz score for a student who spent 70 minutes studying. Note that you can use the graphing tools to help you approximate the line. y 100 90- So (a) Write an approximate equation of the line of best fit. 70 y = Quiz score 60 50 (b) Using your equation from part (a), predict the quiz 40 score for a student who spent 70 minutes studying. 30- 20- 10- 10 20 30 40 50 60 70 80 90 100 Time spent studying (in minutes)
The scatter plot shows the number of years of experience, x, and the hourly pay rate, y, for each of 24 cashiers in California. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the hourly pay rate for a cashier with 10 years of experience. Note that you can use the graphing tools to help you approximate the line. y 22- 20+ 18- (a) Write an approximate equation of the line of best fit. 16- y = ] 14+ Pay 12+ in dollars X x X (b) Using your equation from part (a), predict the hourly pay rate for a cashier with 10 years of experience. 10 per hour 8- 6+ 4+ 2+ + 2 4 6 8 10 12 14 16 18 20 22 Years of experience
The slope of a line is: 5.32 By how much does the Y-variable change if the X-variable increases by 1 unit? (Round to two decimal places. Ex: 123.45)
What is the equation of the line with a slope of 3 and passing through the point (1, -3)? A. y = x - 3 B. y = 3x + 1 C. y = 3r D. y = 3r – 6 %3D O A B.
The scatter plot shows the number of years of experience, x, and the amount charged per hour, y, for each of 23 dog sitters in California. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the amount charged per hour by a dog sitter with 10 years of experience. Note that you can use the graphing tools to help you approximate the line. Amount charged in dollars \per hour/ 22- 20+ 18+ 16+ 14+ 12+ 10- 8- 6- 4+ 2+ 0 2 4 X 6 X X +3 +: X 8 10 12 14 16 18 20 22 Years of experience X S (a) Write an approximate equation of the line of best fit. :0 y = (b) Using your equation from part (a), predict the amount charged per hour by a dog sitter with 10 years of experience. $0 x Ś
What is the slope of the line from the graph below? y 41 (4,3) 2. 2 4 (1,-1) 2.

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The equation of the line of best fit is D=120 - (7/8) T What is the slope of the line of best fit?