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2) Indoor steps generally are steeper and have smaller landings. A staircase has a 9 inch vertical rise per step to get to the second floor of a house. If the angle of elevation is 36.8 degrees and there are 16 feet of horizontal space total for each of the landings combined, calculate the following questions (you must show all work to receive full credit): a) What is the landing space per step? (In inches rounded to the nearest tenth) sin(90 - 36.8)/16 = sin(53.2)/16 = sin(36.8)/x. x*sin(53.2) = 16*sin(36.8). x = 16*sin(36.8)/sin(53.2) = 12 feet b) Find the vertical rise from the 1st floor to the 2nd floor to the nearest foot. 1 foot per step.
the population of a city can be modeled by p=125000 e^0.02t where t is the number of years since 1990. what was the population in 1995?
A farmer wishes to enclose a rectangular region with 455 meters of fencing in such a way that the length is 5 times the width and that the region is divided along its length into two equal parts. How many meters long and how many meters wide?
Describe the appropriate sampling distribution model - shape,center and spread - with attention to assumptions and conditions. Make a sketch using the 68-95-99.7 Rule.
Fenced-In Land. A farmer has 100 yd of fencing. What are the dimensions of the largest rectangular pen that the farmer can enclose?
The sum of the infinite series, 1/2^2 - 2/3^2 + 3/4^2 - 4/5^2 + ... is given as pi^2/12 - log 2 on pages 64-65 in the book "Summation of Series" by L. B. W. Jolley, 2nd ed., 1961, Dover Pubs. Inc. (the ^ symbol denotes exponentiation in the above ..
The area of a certain rectangle is 288 yd2. The perimeter is 68 yd. If you double the length and width what will be the area and perimeter of the new rectangle.
Let R be a principal ideal domain and a, b, in R, not both zero. Prove that a, b have a greatest common divisor that can be written as linear combination of a and b.
Trigonometric function to estimate the exact value.
A paper bag contains a mixture of three types of candy. There are ten gum balls, seven candy bars, and three packages of toffee. Suppose a game is played in which a candy is randomly taken from the bag
The initial charge is Q = 0.001 C and the initial current is 0." Find the charge and current at time t
Calculate the percentage of students who score less than 700
If the price is raised to $110 you predict that you can sell 25 of these premium toasters at your Scottsdale, Arizona location. Find the equation of the line and you can write your answer in the following form: p = mx + b.
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