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- The speed of light depends on the medium through which it travels, and is generally slower in denser media. Fermat’s principle in optics states that light travels from one point to another along a path for which the time of travel is a minimum. Describe the path that a ray of light will follow in going from a point A in a medium where the speed of light is c1 to a point B in a second medium where the speed of light is c2.incorrect,4.6.29-BE Question Help A commercial cherry grower estimates from past records that if 15 trees are planted per acre, then each tree will yield an average of 31 pounds of cherries per season. If, for each additional tree planted per acre (up to 22), the average yield per tree is reduced by 1 pound, how many trees should be planted per acre to obtain the maximum yield per acre? What is the maximum yield?The maximum value in this range is 8.48.4 girls. (Round to one decimal place as needed.) The minimum value in this range is 1.71.7 girls. (Round to one decimal place as needed.) Based on the result, is 1 girl in 10 births a significantly low number of girls? Explain. A. Yes, 1 girl is a significantly low number of girls, because 1 girl is below the range of values that are not significant. B. No, 1 girl is not a significantly low number of girls, because 1 girl is within the range of values that are not significant. C. Yes, 1 girl is a significantly low number of girls, because 1 girl is above the range of values that are not significant. D. Not enough information is given.
- The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age, 220−a. Your exercise goal is to improve cardiovascular conditioning. Use the following formulas to answer parts (a) and (b). Lower limit of range H=710(220−a) Upper limit of range H=45(220−a) Question content area bottom Part 1 a. What is the lower limit of the heart range, in beats per minute, for a 44-year-old with this exercise goal? Part 2 The lower limit of the heart range isThe total cost of producing x radio sets per day is $( 1/4 x2+ 35x +25), and the price per set at which they may be sold is $(50- 1/2 x) a. What should be the daily output to obtain a maximum total profit? b. Show that the cost of producing a set is a relative minimum at that output.I need help trying to figure out this question The product of two positive numbers is a fixed number k. What is the minimumpossible value of their sum?
- Determine the approximate maximum and minimum y-values and their corresponding x-values for one period where x > 0. (For each answer, use the first occurrence for which x > 0. Round your answers to two decimal places.) if it helps, the answer is not max: (4.78,6) min: (4.78,-8)A farmer wants to build two adjacent rectangular pens sharing a common side. Each pen needs to be 600 square feet. What dimensions should each pen be in order to minimize the amount of fencing needed? Round final answers to the nearest tenth and include appropriate units. Be sure to show all work, including how you found the minimumHow will you know if a function increases and decreases and how will you locate themaximum and minimum value? Explain.
