2. Vinegar is known to kill 82% of germs with each application. ma) Determine an equation that relates the percent of (P)germs remaining to the number of applications (n).b) What percent of germs is left after two applications?c) Is it possible to eliminate all the germs? Justify algebraicall

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Answered: 2. Vinegar is known to kill 82% of…

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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7. A normal, adequately hydrated person excretes (Urinates) about 1500 mL of urine per day. A severely dehydrated person excretes only about 0.106 gallons per day. a. How many liters would the dehydrated person excrete per day? b. What is the difference in daily urine excretion between the two people in mL?
2. Kenneth threw a basketball toward the hoop. At the time the ball left his hands it was travelling at a rate of 8 meters per second. a. How many meters above his hands was the ball after i. 1 second ii. 0.5 seconds iii. 1.5 seconds b. After 0.5 seconds, was the ball on its way up or down? Justify your answer. c. i. How many meters was the ball above his hands after 0.2 seconds? ii. If the ball left Kenneth's hands at a distance of 3 meters above the floor, how far from the floor will the ball be after 0.2 seconds? d. Given that the ball left Kenneth's hands 3 meters above the floor, if Kenneth misses the shot, how long will it take the ball to hit the floor? e. The ceiling of the gym has beams at a height of 15 meters above the floor. Can the ball possibly touch one of these beams? Justify your answer.
19. In AGHJ, GH=8, HJ= 10, and mZG= 120. To the nearest tenth, what is %3D %3D mZJ?
true or false: If a 90% CI for the difference between two means is calculated to be [ 6.2, 9.6] then in words this is interpreted as the 90% of the time the true population difference in means will be between 6.2 and 9.6
9. A patient weighing 70 kg should receive a dose of 1400 units of rabies immune globulin after exposure to rabies. How much of a solution containing 900 units per 3 mL should be injected for this dose? 10. Zoster Vaccine Live (ZOSTAVAX) contains 19,400 plaque-forming units (PFU) of attenuated virus per 0.65 mL. What is the concentration expressed as PFU/mL?
9. It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (in thousands of feet) of an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. The following data were obtained for a collection of archaeological sites in New Mexico. 5.35 18 5.67 6.25 6.75 7.25 y 12 33 37 62 n USE SALT Complete parts (a) through (e), given Ex = 31.27, Ey = 162, Ex² = 197.9589, Ey² = 6770, Exy = 1069.84, and r= 0.9390. (c) Find x, and y. Then find the equation of the least-squares line ŷ= a + bx. (Round your answer to four decimal places.) (d) (e) Find the value of the coefficient of determination r2. What percentage of the…

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2. Vinegar is known to kill 82% of germs with each applicatio a) Determine an equation that relates the percent of (P) germs remaining to the number of applications (n). b) What percent of germs is left after two applications? c) Is it possible to eliminate all the germs? Justify alge