the plans, which oneExercise 7.8.11. [S][Section 7.5][Goal 7.3][Goal 7.5] Hybrid payback.The "Best & Worst Cars 2011" issue of Consumer Reports provides the following data fornew Toyota Camrys:costfuel economyconventional$19,72026 MPGhybrid$26,57534 MPGAssume gasoline costs $3.50/gallon.(a) Questions about the conventional Camry.(i) Once you own the car, how much does it cost to run, in dollars per mile? Does youranswer make sense?(ii) Calculate the total cost (purchase plus gasoline) to drive the conventional Camry10,000 miles.(iii) Write the linear equation that computes the total cost C of driving the conventionalCamry M miles.(iv) Identify the slope and the intercept of this equation, with their units.

Answered: Image /qna-images/answer/0cd58b21-bb84-4ab6-9b45-908a43929878.jpg

Answered: the plans, whic Exercise 7.8.11.…

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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1) Your company manufactures, among other things, pencil cases. Noting that sales have fallen in recent years, you decide to see if it is possible to straighten the market trend. You raise the sales volume as well as the price over the past few years. The results are given opposite, the comparison being made in constant dollars. Year Price ($) Annual sales in thousands year price annual sales 1982 1,50 35 1983 1,75 31 1984 1,95 28 1985 2,30 24 1986 3,00 10 a) Graph the data. b) Using these data, construct a model describing the relationship between price and sales volume. c) The company wishes to dispose of what it can produce without asking workers to work overtime without stopping its other productions, i.e. 20,000 cases. What should be the price for sell off production? d) Calculate the correlation coefficient. What does this coefficient tell you?
Pavan
4 pts Problem #1a: Use a two-month moving average to create a forecast for May. Calculate the forecast errors associated the moving average forecasts. Month Demand January 18 February 23 March 20 April 16 May ??? Edit View Insert Format Tools Table | в I U 12pt v Paragraph v MacBook Pro &
C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52
provide A and B both answer with explanation
Please answer the following question ****EXCEL*****
1 (part 1). Does When Food Is Eaten Affect Weight Gain?A study was introduced that examined the effect of light at night on weight gain in mice. In the full study of 27 mice over a four-week period, the mice who had a light on at night gained signiﬁcantly more weight than the mice with darkness at night, despite eating the same number of calories and exercising the same amount. Researchers noticed that the mice with light at night ate a greater percentage of their calories during the day (when mice are supposed to be sleeping). The computer output shown below allows us to examine the relationship between percent of calories eaten during the day, DayPct, and body mass gain in grams, BMGain. A scatterplot with regression line is also shown below (attached image).Pearson correlation of BMGain and DayPct =0.740P-Value =0.000--------------------------------------------------------------The regression equation isBMGain=1.11+0.127DayPct Predictor Coef SE Coef T P Constant 1.113 1.382…
or each predictor variable, state the P-value and determine whether the predictor variable is significant in explaining delivery charges. Predictor variables P-value Significant in explain Delivery charges Distance .................. .............. Weight .................. .............. Boxes ............... .................

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