14. A stair stringer is to be cut to reach a 2nd story floor in a house with nine foot ceilings. Thedistance from the 1st to the 2nd floor can be calculated by adding up the height of each materialBottom plate 1 2 stud 104 , two top plates 17 each, floor joist 11 3 and subflorConstruction code stipulates that each rise cannot exceed eight inches and must be equal sothat the stair case willnot be a trip hazard. Calculate the number of rises and the height of eachrise (roundand eight inches.8ed to the nearest 16th of an inch) for all possible designs where the rise is between sixsubfloorfloor joisttopplatesstudrisebottomplatestringer36

The total rise is 106 inches.Let x be the number of rises and y be the actual rise height.Since all…

Answered: 14. A stair stringer is to be cut to…

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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#4 It must be in the format of the second picture.
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3.5, q.21 PLEASE BOX ANSWER AND PUT EXACTLY AS SHOULD BE IN BOX TYSM USE TEXT IF POSSIBLE
A radio talk show host with a large audience is interested in the proportion of adults in his listening area that think the drinking age should be lowered to 18. To find out, he poses the following question to his listeners: “Do you think that the drinking age should be reduced to 18 in light of the fact that 18-year-olds are eligible for military service?” He asks listeners to phone in and vote “yes” if they agree the drinking age should be lowered and “no” if not. Reference: Ref 12-4 You are told that the sample proportion of those who phoned in and answered yes is = 0.70 and the standard error of the sample proportion is 0.0459. The number of people who phoned in Select one: a. is 21. b. is 50. c. is 100. d. is 200. e. cannot be determined from the information given.

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