To calculate: The Summer Simmer Index S and the Apparent Temperature A for both the average daily maximum and the average daily minimum temperature. If the “feels like” temperature often reported in summer weather forecasts measures the combined effects of humidity and high temperatures. Two of the most common models used to determine this effect are the Summer Simmer Index (S) developed by John W. Pepi and the Apparent Temperature (A) developed by Robert Steadman. These models are given by
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- Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to 2012. a. Let x represent time in years starting with x=0 for the year 1997. Let y represent the number of seals in thousands. Use logistic regression to fit a model to these data. b. Use the model to predict the seal population for the year 2020. c. To the nearest whole number, what is the limiting value of this model?arrow_forwardDefine Newton’s Law of Cooling. Then name at least three real-world situations where Newton’s Law of Cooling would be applied.arrow_forwardFocal Length A refracting telescope has a main lens, or objective lens, and a second lens, the eyepiece see Figure 3.42. For a given magnification M of the telescope, the focal length F of the objective lens is a linear function of the focal length Fe of the eyepiece. For example, a telescope with magnification M=80 times can be constructed using various combinations of lenses. The following table gives some samples of focal length for telescopes with magnification M=80. Here focal lengths are in centimeters. Fe 0.3 0.5 0.7 0.9 F 24 40 56 72 a. Construct a linear model for the data. b. In this example, the magnification M is 80. In general, F is proportional to Fe, and the constant of proportionality is M. Use this relation to write a formula for F in terms of Fe and M. c. Solve the equation you obtained in part b for M and thus obtain a formula for magnification as a function of objective lens focal length and eyepiece focal length. d. To achieve a large magnification, how should the objective and eyepiece lenses be selected? FIGURE 3.42arrow_forward
- The US. import of wine (in hectoliters) for several years is given in Table 5. Determine whether the trend appearslinear. Ifso, and assuming the trend continues, in what year will imports exceed 12,000 hectoliters?arrow_forwardThe Kelvin Temperature Scale Physicists and chemists often use the Kelvin temperature scale. In order to determine the relationship between the Fahrenheit and Kelvin temperature scales, a lab assistant put Fahrenheit and Kelvin thermometers side by side and took readings at various temperatures. The following data were recorded. K = kelvins F = degrees Fahrenheit 200 -99.67 220 -63.67 240 -27.67 260 8.33 280 44.33 300 80.33 a. Show that the temperature F in degrees Fahrenheit is a linear function of the temperature K in kelvins. b. What is the slope of this linear function? Note: Be sure to take into account that the table lists kelvins in jumps of 20 rather than in jumps of 1. c. Find a formula for the linear function. d. Normal body temperature is 98.6 degrees Fahrenheit. What is that temperature in kelvins? e. If temperature increases by 1 kelvin, by how many degrees Fahrenheit does it increase? If temperature increases by 1 degree Fahrenheit, by how many kelvins does it increase? f. The temperature of 0 kelvins is known as absolute zero. It is not quite accurate to say that all molecular motion ceases at absolute zero, but at that temperature the system has its minimum possible total energy. It is thought that absolute zero cannot be attained experimentally, although temperatures lower than 0.0000001 kelvin have been attained. Find the temperature of absolute zero in degrees Fahrenheit.arrow_forwardMortgage Rates The following table is taken from the website of Freddie Mac. It shows rates for 30-year fixed-rate mortgages since 1970. y=Year r=Mortgagerate 1975 9.05 1980 13.74 1985 12.43 1990 10.13 1995 7.93 2000 8.05 2005 5.87 2010 4.69 2015 3.84 a. Explain in practical terms the meaning of r(2003). b. Use the table to estimate the value of r(2003).arrow_forward
- Question 6 more modelsarrow_forwardRate time(sec) dist(ft)arrow_forward** 15% Window Help story Bookmarks A ptcsc.desire2learn.com Hawkes Sso - MAT-101-81 - Beginning A PTC Pathway | Login BRADAJA JACKSON + Save & Exit Practice Lesson: 10.1 The Cartesian Coordinate Sys.. 11 6/19 Correct Incorre Question 10 of 10, Step 1 of 2 Consider the equation V = 7h where V is the volume (in cubic centimeters) of a box with a variable height h in centimeters and a fixed base of area 7 cm². Step 1 of 2: Complete the table below so that each ordered pair will satisfy the equation. 画 Keypad Answer Keyboard Shortcuts h V 2 4. Skip Try Similar Submit Answer Tutor © 2021 Hawkes Learning Reflect in ePortfolio Activity Details étv 16 MacBook Air 80 888 DII DD F2 F3 F4 F5 F6 F7 FB F9 F10 @ %23 2$arrow_forward
- i www-awa.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IQ-X5J-Lyp5" Molecular Geomet... Secret L YouTube Translate Bb Nuclear Chemistry : Apps Time R Unproctored Placement Assessment The one-to-one functions g and h are defined as follows. g= {(-4, -3), (-1, 4), (4, 6), (6, -7)} h (x)=6x+13 Find the following. 8"(4) = 0 믐 A"() = 0 (*" n)(-2) = 0 %3D I Don't Know Submit Mac oloarrow_forwardCheck Question 2 Find the rate of change between (2,3) and (-4,-1) Rate of change %3D Submit main abc functions 4. 1 9 Type here to search as VIarrow_forwardMy work has been attached and the chart. Need to understand side parts D and E. D) Compare the predicted change in greenhouse gas emissions between 2020 and 2025 to the change between 2025 and 2030? During which five-year period is the predicted change greater and by how much or is it the same in the two time periods? E) During what year does this function rule predict that the US emission of greenhouse gasses will decrease to 1000 million metric tons of carbon dioxide equivalents?arrow_forward
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