Bundle: Mathematics: A Practical Odyssey + WebAssign Printed Access Card for Johnson/Mowry's Mathematics: A Practical Odyssey, 8th Edition, Single-Term
8th Edition
ISBN: 9781305621336
Author: Johnson
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 9.5, Problem 8E
Exercises 8-14 involve the information in Figure 9.114 on installing a drip irrigation system.
Create a PERT chart for installing a drip irrigation system. Show the critical path. List milestones.
Task | Length | Dependencies |
a. Determine water needs of plants |
|
|
b Lay out system |
|
a |
c. Determine length of tubing needed |
|
a, b |
d. Determine number and type of emitters needed |
|
a, b |
e. Determine location of control panel |
|
|
f. Determine number of separately controlled lines |
|
a, b, d |
g. Buy emitters, tubing, valves, control panel, wire |
|
a, b, d, e, f |
h. Get wire from control panel to valves |
|
e, f, g |
i. Put tubing in place |
|
b, c, f, g |
j. Cut tubing |
|
g, i |
k. Connect cut sections of tubing |
|
g, j |
l. Install emitters |
|
d, g, i, j, k |
m. Test system |
|
k, l |
Figure 9.114 Installing a drip irrigation system.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF,
LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity
times:
Activity
A
B
C
D
Time
(weeks)
5
8
3
2
Immediate.
Predecessor(s)
Dave's earliest start (ES) and earliest finish (EF) are:
A
A
Activity
Activity
E
F
G
H
ES
Time
(weeks)
5
EF
5
5
10
6
Immediate
Predecessor(s)
B
B
C, E
D, F
A design engineer must select the horsepower for a motor to drive a pump. Horsepower rating is a continuous design parameter with values in the range of 10 to 40
horsepower. The motor will have an annual ownership cost of $120 plus $0.60 per horsepower. The operating costs of such motors for one horsepower-hour will be
$0.055 divided by the horsepower rating. 9,000 horsepower hours will be needed per year.
a. Determine what horsepower should be specified for a minimum total annual cost.
b. How do you know that you have minimized total cost per year?
a. To minimize total annual cost, the horsepower for the motor should be 29 horsepower. (Round to the nearest whole number.)
b. Choose the correct answer below.
O A. The answer to Part (a) minimizes total annual cost because the second derivative is less than zero for X>0.
O B. The answer to Part (a) maximizes total annual cost because the second derivative is greater than zero for X> 0.
O C. The answer to Part (a) minimizes total annual…
A graphing calculator is recommended.
An oil refinery is located 1 km north of the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the refinery to storage tanks located on the
south bank of the river 9 km east of the refinery. The cost of laying pipe is $300,000/km over land to a point P on the north bank and $600,000/km under the river to the
tanks. To minimize the cost of the pipeline, how far downriver from the refinery (in km) should the point P be located? (Round your answer to two decimal places.)
km
Need Help?
x
Read H
Chapter 9 Solutions
Bundle: Mathematics: A Practical Odyssey + WebAssign Printed Access Card for Johnson/Mowry's Mathematics: A Practical Odyssey, 8th Edition, Single-Term
Ch. 9.1 - In Exercises 1 3, use the following information:...Ch. 9.1 - In Exercises 1 3, use the following information:...Ch. 9.1 - Prob. 3ECh. 9.1 - Prob. 4ECh. 9.1 - Prob. 5ECh. 9.1 - Prob. 6ECh. 9.1 - In exercise 7-10, determine the number of...Ch. 9.1 - Prob. 8ECh. 9.1 - In exercise 7-10, determine the number of...Ch. 9.1 - Prob. 10E
Ch. 9.1 - Prob. 11ECh. 9.1 - a. Determine the number of vertices, edges and...Ch. 9.1 - Prob. 13ECh. 9.1 - Prob. 14ECh. 9.1 - a. Why do the two diagrams in Figure 9.10...Ch. 9.1 - Prob. 16ECh. 9.1 - Prob. 17ECh. 9.1 - Prob. 18ECh. 9.1 - Prob. 19ECh. 9.1 - Prob. 20ECh. 9.2 - In Exercise 1-6, do the following: a. Find two...Ch. 9.2 - Prob. 2ECh. 9.2 - Prob. 3ECh. 9.2 - Prob. 4ECh. 9.2 - Prob. 5ECh. 9.2 - Prob. 6ECh. 9.2 - Exercise 7-12, can be done as homework problem or...Ch. 9.2 - Exercise 7-12, can be done as homework problem or...Ch. 9.2 - Prob. 9ECh. 9.2 - Prob. 10ECh. 9.2 - Exercise 7-12, can be done as homework problem or...Ch. 9.2 - Exercise 7-12, can be done as homework problem or...Ch. 9.2 - Prob. 13ECh. 9.2 - Prob. 14ECh. 9.2 - Prob. 15ECh. 9.2 - Prob. 16ECh. 9.2 - Prob. 17ECh. 9.2 - Prob. 18ECh. 9.2 - Prob. 19ECh. 9.2 - Prob. 20ECh. 9.2 - Prob. 21ECh. 9.2 - 22. Once a month, the utility company sends an...Ch. 9.2 - Prob. 23ECh. 9.2 - Prob. 24ECh. 9.2 - Figure shows a map of New Yorks cities and bridges...Ch. 9.2 - Prob. 26ECh. 9.2 - Prob. 27ECh. 9.2 - Prob. 28ECh. 9.2 - Figure 9.7 on page 673 shows a map of the BART Bay...Ch. 9.2 - Prob. 30ECh. 9.2 - Prob. 31ECh. 9.2 - Prob. 32ECh. 9.2 - Prob. 35ECh. 9.3 - Prob. 1ECh. 9.3 - Prob. 2ECh. 9.3 - Prob. 3ECh. 9.3 - Exercise 1-4, use the flight costs shown in...Ch. 9.3 - Prob. 5ECh. 9.3 - Exercises 5-12 use the FedEx travel times shown in...Ch. 9.3 - Prob. 7ECh. 9.3 - Prob. 8ECh. 9.3 - Prob. 9ECh. 9.3 - Prob. 10ECh. 9.3 - Prob. 11ECh. 9.3 - Prob. 12ECh. 9.3 - Prob. 13ECh. 9.3 - Prob. 14ECh. 9.3 - Prob. 15ECh. 9.3 - Use the following information in Exercises 13-22....Ch. 9.3 - Prob. 17ECh. 9.3 - Prob. 18ECh. 9.3 - Prob. 19ECh. 9.3 - Prob. 20ECh. 9.3 - Prob. 21ECh. 9.3 - Prob. 22ECh. 9.3 - Prob. 23ECh. 9.3 - Prob. 24ECh. 9.3 - Use the information in Figure 9.55 and the...Ch. 9.3 - Prob. 26ECh. 9.3 - Use the information in Figure 9.55 and the...Ch. 9.3 - Prob. 28ECh. 9.3 - Prob. 29ECh. 9.3 - Prob. 30ECh. 9.3 - Prob. 31ECh. 9.4 - Prob. 1ECh. 9.4 - Prob. 2ECh. 9.4 - Prob. 3ECh. 9.4 - Prob. 4ECh. 9.4 - Prob. 5ECh. 9.4 - Prob. 6ECh. 9.4 - Prob. 7ECh. 9.4 - Prob. 8ECh. 9.4 - Prob. 9ECh. 9.4 - Prob. 10ECh. 9.4 - Prob. 11ECh. 9.4 - Prob. 12ECh. 9.4 - Prob. 13ECh. 9.4 - Prob. 14ECh. 9.4 - Prob. 15ECh. 9.4 - Prob. 16ECh. 9.4 - Prob. 17ECh. 9.4 - Prob. 18ECh. 9.4 - Prob. 19ECh. 9.4 - Prob. 20ECh. 9.4 - Prob. 21ECh. 9.4 - Prob. 22ECh. 9.4 - Prob. 23ECh. 9.4 - Prob. 24ECh. 9.4 - Prob. 25ECh. 9.4 - Prob. 26ECh. 9.4 - Prob. 27ECh. 9.4 - Prob. 28ECh. 9.4 - Prob. 29ECh. 9.4 - Prob. 30ECh. 9.4 - Prob. 31ECh. 9.4 - Prob. 32ECh. 9.4 - Prob. 33ECh. 9.4 - Prob. 34ECh. 9.4 - Prob. 35ECh. 9.4 - Prob. 36ECh. 9.4 - Prob. 37ECh. 9.4 - Prob. 38ECh. 9.4 - Prob. 39ECh. 9.4 - Prob. 40ECh. 9.4 - Prob. 41ECh. 9.4 - Prob. 42ECh. 9.4 - Prob. 43ECh. 9.4 - Prob. 44ECh. 9.4 - Prob. 45ECh. 9.4 - Prob. 46ECh. 9.4 - Prob. 47ECh. 9.4 - Prob. 48ECh. 9.4 - Prob. 49ECh. 9.4 - Prob. 50ECh. 9.4 - Prob. 51ECh. 9.4 - Prob. 52ECh. 9.4 - Prob. 53ECh. 9.4 - Prob. 54ECh. 9.4 - Prob. 55ECh. 9.4 - Prob. 56ECh. 9.4 - Prob. 57ECh. 9.4 - Prob. 58ECh. 9.4 - Prob. 59ECh. 9.4 - Prob. 60ECh. 9.5 - Prob. 1ECh. 9.5 - Prob. 2ECh. 9.5 - Prob. 3ECh. 9.5 - Prob. 4ECh. 9.5 - Prob. 5ECh. 9.5 - Prob. 6ECh. 9.5 - Prob. 7ECh. 9.5 - Exercises 8-14 involve the information in Figure...Ch. 9.5 - Prob. 9ECh. 9.5 - Exercises 8-14 involve the information in Figure...Ch. 9.5 - Prob. 11ECh. 9.5 - Exercises 8-14 involve the information in Figure...Ch. 9.5 - Prob. 13ECh. 9.5 - Prob. 14ECh. 9.5 - Exercises 15-21 involve the information in Figure...Ch. 9.5 - Prob. 16ECh. 9.5 - Prob. 17ECh. 9.5 - Prob. 18ECh. 9.5 - Prob. 19ECh. 9.5 - Prob. 20ECh. 9.5 - Prob. 21ECh. 9.5 - Prob. 22ECh. 9.5 - Prob. 23ECh. 9.5 - Prob. 24ECh. 9.5 - Prob. 25ECh. 9.5 - Prob. 26ECh. 9.5 - Prob. 27ECh. 9.5 - Prob. 28ECh. 9.5 - Prob. 29ECh. 9.5 - Prob. 30ECh. 9.5 - Prob. 31ECh. 9.5 - Prob. 32ECh. 9.5 - Prob. 33ECh. 9.5 - Prob. 34ECh. 9.5 - Prob. 35ECh. 9.CR - In Exercises 1-6, do the following: a. Determine...Ch. 9.CR - Prob. 2CRCh. 9.CR - Prob. 3CRCh. 9.CR - Prob. 4CRCh. 9.CR - Prob. 5CRCh. 9.CR - Prob. 6CRCh. 9.CR - Prob. 7CRCh. 9.CR - Prob. 8CRCh. 9.CR - Prob. 9CRCh. 9.CR - Prob. 10CRCh. 9.CR - Prob. 11CRCh. 9.CR - Prob. 12CRCh. 9.CR - Prob. 13CRCh. 9.CR - Prob. 14CRCh. 9.CR - Prob. 15CRCh. 9.CR - Prob. 16CRCh. 9.CR - Prob. 17CRCh. 9.CR - Prob. 18CRCh. 9.CR - Prob. 19CRCh. 9.CR - Prob. 20CRCh. 9.CR - Prob. 21CRCh. 9.CR - Prob. 22CRCh. 9.CR - Prob. 23CRCh. 9.CR - Prob. 24CRCh. 9.CR - Prob. 25CRCh. 9.CR - Prob. 26CRCh. 9.CR - Exercises 2531 use the flight costs shown in...Ch. 9.CR - Exercises 2531 use the flight costs shown in...Ch. 9.CR - Prob. 29CRCh. 9.CR - Prob. 30CRCh. 9.CR - You live in Chicago, and you need to visit New...Ch. 9.CR - Prob. 32CRCh. 9.CR - Prob. 33CRCh. 9.CR - Prob. 34CRCh. 9.CR - Prob. 35CRCh. 9.CR - Prob. 36CRCh. 9.CR - Prob. 37CRCh. 9.CR - Prob. 38CRCh. 9.CR - Prob. 39CRCh. 9.CR - Prob. 40CRCh. 9.CR - Prob. 41CRCh. 9.CR - Prob. 42CRCh. 9.CR - Prob. 43CRCh. 9.CR - Prob. 44CRCh. 9.CR - Prob. 45CRCh. 9.CR - Prob. 46CRCh. 9.CR - Prob. 47CRCh. 9.CR - Prob. 48CRCh. 9.CR - Prob. 49CRCh. 9.CR - Prob. 50CRCh. 9.CR - Prob. 51CRCh. 9.CR - Prob. 52CRCh. 9.CR - Prob. 53CRCh. 9.CR - Prob. 54CRCh. 9.CR - Prob. 55CRCh. 9.CR - Prob. 56CRCh. 9.CR - Prob. 57CRCh. 9.CR - Prob. 58CRCh. 9.CR - Prob. 59CRCh. 9.CR - Prob. 60CRCh. 9.CR - Prob. 61CRCh. 9.CR - Prob. 62CRCh. 9.CR - Prob. 63CRCh. 9.CR - Prob. 64CR
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- The dams in and around Cape Town form part of the Western Cape Water Supply System, which is an integrated and collectively managed system of dams, pump stations, pipelines, and tunnels. In addition to servicing Cape Town, the system supplies water to towns in the Overberg, Boland, West Coast, and Swartland areas, and provides irrigation water for agriculture. The change in depth of the Steenbras dam from one day to the next, measured (in feet) at in Cape Town, is a random variable Y with the following density function: f(y) = 2 < y< 4, elsewhere. 2.4.1. Define the random variable Y. 2.4.2 State what type of distribution does Y follow and why: 2.4.3. Find E (Y) and interpret your answer.arrow_forwardPlease provide a step by step detailed explinantion and handwritten solutionarrow_forwardI need help answering this discussion post. The topic is Identifying study design and making contingency tables.arrow_forward
- Exercise 2. Use the final project data to complete the following questions. Collaborate with your project partners and produce the Excel outputs for the first analysis listed on the project guidelines below. Read and follow the instructions carefully. The Excel outputs such as tables, graphs, summary statistics produced by using Excel. All statistics should not have more than 2 decimal places. All Excel outputs (such as graphs and summary statistics) for each related analysis must be fitted in one sheet. 2. To analyze the total number of items purchased, construct an ungrouped frequency distribution, graph, and find the summary statistics by each type of customer (regular/promotion). Label the graphs completely. Describe the shape of the distribution for each type of customer and discuss similarities or differences by interpreting the graphs and summary statistics. What can you conclude? 3. To analyze customer age, construct a frequency distribution, graph, and find…arrow_forwardSTAR Co. provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the rolls into smaller rolls of widths 12, 15, and 30 feet. The demands for these widths vary from week to week. The following cutting patterns have been established. Min s.t. 12-ft Pattern Number 15-ft 30-ft 1 2 P1, P2, P3 P4 P5 ≥ 0 3 4 5 12-ft 15-ft 30-ft Trim Loss (ft) 0 0 8 3 7 6 0 0 0 1 C 3 0 2 0 10 Trim loss is the leftover paper from a pattern (e.g., for pattern 4, 3(12) + 0(15) + 2(30) = 96 feet used results in 100 - 96 = 4 foot of trim loss). Orders in hand for the coming week are 5,680 12- foot rolls, 1,690 15-foot rolls, and 3,360 30-foot rolls. Any of the three types of rolls produced in excess of the orders in hand will be sold on the open market at the selling price. No inventory is held. 10 Formulate an integer programming model that will determine how many 100-foot rolls to cut…arrow_forwardJohnson Filtration, Inc. provides maintenance service for water-filtration systems. Suppose that in addition to information on the number of months since the machine was serviced and whether a mechanical or an electrical repair was necessary, the managers obtained a list showing which repairperson performed the service. The revised data follow. Click on the datafile logo to reference the data. DATA file Repair Time Months Since in Hours Last Service Type of Repair Repairperson 2.9 Electrical Dave Newton 3.0 Mechanical Dave Newton 4.8 8. Electrical Bob Jones 1.8 Mechanical Dave Newton 2.9 Electrical Dave Newton 4.9 Electrical Bob Jones 4.2 6. Mechanical Bob Jones 4.8 8. Mechanical Bob Jones 4.4 4. Electrical Bob Jones 4.5 Electrical Dave Newton a. Ignore for now the months since the last maintenance service (1 ) and the repairperson who performed the service. Develop the estimated simpe linear regression equation to predict the repair time (y) given the type of repair (2 ). Recall that…arrow_forward
- The BOM for product A is shown in Figure. The MPS for product A calls for 120 units to be started in weeks 2, 4, 5, and 8. Table shows data from the inventory records.a. Develop the material requirements plan for the next 8 weeks for each item.b. What specific managerial actions are required in week 1?Make sure you address any specific difficulties you encounter in the inventory records.arrow_forwardCreate necessary columns of data necessary to solve the problem a. Determine the size of the public works project using the table below. b. Cite the principle used in determining the output of public goods. Highway Project Total Cost Total Benefit No project Widen existing 4 6. New 2-lane 9. 12 New 4-lane 15 19 New 6-lane 22 20arrow_forwardNeed help with a step by step breakdown please. step 4arrow_forward
- Insert Draw Layout Review View B IU ab e A- A AClear Formatting 三三 Sensitivity 11 In 2014, Colorado was found to have a population of 5,355,866 and a land area of 103,642 square miles. Oklahoma has a land area of 68,594 square miles. Oklahoma's population density is known to be close to Colorado's. Use this information to estimate Oklahoma's population.arrow_forwardds EV 1. Construct a table showing: Normal LE English (Australia) No Spacing Heading 1 Accessibility: Investigate Heading 2 AdBOAaBb CcDdEt Subtitle The Adelaide University Judo Club offers 2 fitness programs to enhance player fitness performance leading up for the upcoming regional championships in 12 weeks. Title In programme A, Coach A coaches for a period of 2 hours on the components of endurance and agility, Coach B coaches for power and speed training for 4 hours and Coach C coaches for coordination and balance for 2 hours. In programme B, Coach A 6 hours of training, Coach B trains for 3 hours and Coach C trains for 4 hours. Coach A is available for a minimum of 10 hours and a maximum of 36 hours. Coach B is limited to train for a maximum of 24 hours whereas Coach C is contracted to train for a minimum of 8 hours. Program A costs $75 per session and program B costs $125 per session. The head coach aims to minimise the cost while satisfying the requirements of the three coaches…arrow_forwardA hurricane has been predicted to make landfall in Louisiana. The counties that lie within the path of the storm along with current population estimates are given in Table 1 below. There are several regional warehouses located in Texas, Alabama and Georgia that have capacity available to lease so that supplies can be prepositioned in advance of the storm. The lease capacity available at each of the warehouses is 100,000 units of MREs (meals ready-to-eat). The cost to lease each warehouse along with the capacity available is displayed in Table 2. The distance (in miles) to ship product to each of the counties from each possible warehouse location is summarized in Table 3. Assume travel cost is proportional to distance traveled. Formulate a mathematical model that will determine which of the warehouses to use to preposition MREs and the amount shipped from each warehouse to each of the counties to assist those who are in need after the storm. Assume that 25% of the population will…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Mathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,
Mathematics For Machine Technology
Advanced Math
ISBN:9781337798310
Author:Peterson, John.
Publisher:Cengage Learning,
Introduction to Statistical Quality Control (SQC); Author: FORSEdu;https://www.youtube.com/watch?v=c18FKHUDZv8;License: Standard YouTube License, CC-BY
[DAXX] Introduction to Statistical Quality Control; Author: The Academician;https://www.youtube.com/watch?v=ypZGDxjSM60;License: Standard Youtube License