Need only a handwritten solution only (not a typed one). Using the three-period moving average, what is the absolute percent error for period 5? round to two decimal points ?Week or Time period12345SubmitTime Series or Actuals.2018231517Answer format: Percentage Round to: 0 decimal places (Example: 9%, % sign required. Will accept decimal formatrounded to 2 decimal places (ex: 0.09))

Answered: Image /qna-images/answer/f37be558-9160-4aa7-ba3d-7d0c3b1a02d3.jpg

Answered: Using the three-period moving average,…

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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A tank can be filled by 2 water keys together in 3 hours with 3 quarters. The main key would be able to fill it by itself in 4 hours less than the other one. In how many hours can each key fill the tank separately?
A pear farm is getting ready to sell its pears to grocery stores. In order to do this, the pears must be put into crates. Each crate can hold 70 pears. If the farm has 4,900 pears, how many crates can be filled?
Need only a handwritten solution only (not a typed one).
The owner of a stereo store wants to advertise that he has many different sound systems in stock. The store carries 6 different CD players, 10 different receivers, and 9 different speakers. Assuming a sound system consists of one of each, how many different sound systems can he advertise?
Travis's carpet has an area of 180 square feet. He hires the CarpetPro carpet cleaning service, which is able to clean 9 square feet of his carpet every minute. Therefore, in the first minute, CarpetPro is able to clean 9 square feet of Travis's carpet (leaving 171 square feet remaining to be cleaned). In the second minute, the cleaner is again able to clean 9 square feet of carpet (leaving 162 square feet to be cleaned), etc. Which of the following functions expresses the number of square feet that still remain to be cleaned after t minutes from the time that the carpet cleaner began cleaning this carpet. A(t)=180−0.9t A(t)=180(0.1)t A(t)=180(0.9t) A(t)=180−9t A(t)=180−0.1t
1. Solve the following set of equations using Excel: 6x1 + .2x2 + X3 X4 = 14, %3D 5x) + 4x2 + X3 X4 3x5 = 0, 2x1 + 2x2 + 3x3 + 2x4 X5 8, + X2 X3 + 3x4 + 2x5 5, %3D 3x1 X2 + 5x3 X4 + 5x5 0. | I + +

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