Perform the indicated operations 6- (4x2 + 5) - (2x2 -6) + (4x2-10x) a.docx

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Perform the indicated operations 6. (4x 2 + 5) - (2x 2 -6) + (4x 2 -10x) a. 10x 2 + 10x -1 b. 6x 2 - 10x +11 c. 10x 2 - 10x +11 d. 6x 2 -10x -1 7. (5s 7 -3s) - (2s 2 -7s) + (5s 2 -6) a 8s 2 + 4s -6 b. 8s 2 -10s- 6 c 12s 2 -10s -6 d. 12s 2 + 4s-6 8 (4m 2 )(5m 4 ) a 20m b -20m 6 c -20m d 20m 6 Multiply 9. 4(5x) a 20 b 20x c 9x d 9 10. -12x(6x - 11) a 60x 2 b -72x 2 -132x c 6x 2 + 132 d -72x 2 - 11x 11. -8x 5 (11x 3 +6) a -136x 5 b -88x 8 +6 c -88x 3 -48x 5 d -88x 3 -48 Solution 6. (4x 2 + 5) - (2x 2 -6) + (4x 2 -10x) b. 6x 2 - 10x +11 7. (5s 7 -3s) - (2s 2 -7s) + (5s 2 -6) a 8s 2 + 4s -6 8 (4m 2 )(5m 4 ) d 20m 6 Multiply 9. 4(5x) b 20x 10. -12x(6x - 11) b -72x 2 +132x 11. -8x 5 (11x 3 +6) c -88x 3 -48x 5 .

Bildung

c 9x
d 9
10.
-12x(6x - 11)
a 60x 2
b -72x 2
-132x
c 6x 2
+ 132
d -72x 2
- 11x
11.
-8x 5
(11x 3
+6)
a -136x 5
b -88x 8
+6
c -88x 3
-48x 5
d -88x 3
-48
Solution
6.
(4x 2
+ 5) - (2x 2
-6) + (4x 2
-10x)
b. 6x 2
- 10x +11

7.
(5s 7
-3s) - (2s 2
-7s) + (5s 2
-6)
a 8s 2
+ 4s -6
8
(4m 2
)(5m 4
)
d 20m 6
Multiply
9. 4(5x)
b 20x
10.
-12x(6x - 11)
b -72x 2
+132x
11.
-8x 5
(11x 3
+6)
c -88x 3
-48x 5

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Please answer part c of the question. Thank you. The International Atomic Energy Agency (IAEA) has an interactive chart of the nuclides which has a wealth of information. Use the chart to answer the questions below this link should open the chart in a new window or tab. Interactive chart of the nuclides (from the IAEA) In your new window or tab, you should see a colorful diagram that is shaped something like an amoeba. Note that you can click-and-drag in the window to re-position the graph, and you can move and zoom using the controls at the top left (you can also zoom by scrolling up or down in the window). (a) Most of the nuclides shown are given a color, representing the half-life, but some of the nuclides are black. Note that, near the bottom left of the chart, the black ones are found on or near the line Z = N (same number of protons and neutrons). As the atomic number increases, however, the nuclides in black are found below the Z N line, so these black ones have more neutrons than protons. what do the nuclides in black represent? These are stable nuclei. O These are nuclides we have no information about. O These are nuclei that decay via alpha decay O These are the nuclides that play the bad nuclei in the movies. O These are nuclei that decay via the beta-plus process. These are nuclei ht deay by oving offa gamma ray These are nuclei that have extremely short half-lives. O These are nuclei that decay via the beta-minus process O These are nuclei that decay via electron capture. (b) To the right of the chart, you should see a \"Color zones by selector with a pull-down menu. Use that pull-down menu to select \"main decay mode\". Note which nuclides decay via alpha decay beta-minus decay, beta-plus decay, etc. In general, what is true about those nuclides which decay via the beta-minus process? They are found above the most stable nuclei, so that decaying via beta-minus moves the nuclei away from the zone of higher stability. O They have long half-lives O They have short h-ives. O They do not change their number of protons when they decay O They do not change their number of neutrons when they decay They are found above the most stable nuclei, so that decaying via beta-minus moves the nuclei toward the zone of higher stability They are found below the most stable nuclei, so that decaying via beta-minus moves the nuclei toward the zone of higher stability ? They are found below the most stable nuclei, so that decaying via beta-minus moves the nuclei away from the zone of higher stability (c) According to the table, the element tin has how many stable nuclides? (This is more than any other element, in fact.) stable nuclides Solution (c) Tin has the most number of nuclides. According to the table, the element tin has ten (10) stable nuclides. .

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Pictorialize a human being as a computer system. Solution The human nervous system is like the telephone network, cause it do the same thing , all the impulses that a human has respond through all the nerves which are connected to the base of the brain, and all signals and messages go to the brain, and the mind respond by sending an impulse to the given area ,and an action is preformed,then impulses are send back,for new impulses to be send by the brain, so that is why it is like a telephone system. The Human brain acts as the CENTRAL PROCESSING UNIT, where each of the actions performed by the other parts of the body are analyzed and the tasks are assigned to various parts of the brain- namely cerebrum and cerebellum. The Cerebrum can be likened to as the HARD disk of the computer where all the memory is stored. The data stored in the cerebrum can be retrieved easily. The Cerebellum of the brain can be likened to RAM - Random access memory, where the data is only stored for a short period of time. The major similarities between the human body and the computer system are as follows. both will malfunction if attacked by virus. both has a limited memory both can explore various sites. both has their own briefcases. both has their own calculators both can import and export both can act as a messenger both can write a mail both can paste both can save both has their own favorites both has their own tools both can play games When tired and slow both has to refreshed both carry a address book,note pad and calendar sometime both require a help both could be repaired and cured by only by qualified technicians. Both function and look better with Add-ons both ask questions and answer questions. By over usage both get heated up. Both have network places Both have choice to run Both can play music .

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Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new â€œsupercenterâ€ in the Toronto area. Personal Trainerâ€™s president, Cassia Umi, hired an IT consultant, Susan Park, to help develop an information system for the new facility. During the project, Susan will work closely with Gray Lewis, who will manage the new operation. Background During data and process modeling, Susan Park developed a logical model of the proposed system. She drew an entity-relationship diagram and constructed a set of leveled and balanced DFDs. Now Susan is ready to consider various development strategies for the new system. She will investigate traditional and Web-based approaches and weigh the pros and cons of in-house development versus other alternatives. Before you begin, you should review the background information and facts contained in Chapters 2, 4, and 5 of the case study. Tasks 1. Susan has been asked to prepare a system requirements document and deliver a presentation to the management team. What should be the main elements of the system requirements document? 2. Based on the suggestions in Part A of the Systems Analystâ€™s Toolkit, what visual aids should Susan use during her presentation? Solution 1)Ans- The main elements of the system requirements should be: 1) Budget consideration. 2) The objective of the software system. 3) Describe the transactions the system will process. 4) Information the users and managers need from the system. 5) Consider security issue 2)Ans- Susan should use power point as a visual aid, some flip charts, overhead transparencies, videos, slides, to improve her presentation. She should also prepare a contingency plan in case anything was to happen to her presentation. .

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Peruse the readings by Bennis and Nanus, Schein, and Ulrich and Lake. Are these concepts employed in your company today? Why or Why not? Solution The concepts that have been proposed by Bennis and Nanus, Schein, and Ulrich and Lake are widely used in organizations since they give a clear picture of the following: 1. Gaining attention through vision 2. Meaning through communication 3. Trust through positioning 4. Deployment of self through The key concepts stressed by all the above experts are about being leaders, followers and mainly about the visioning process. The concepts are widely used in the oranizations these days as vision gives clarity to leaders as to what their key actions should be oriented with. The vision of the company will drive individuals to become leaders and to lead the group. If the employees are able to relate themselves with the company and with the goal of the company then they will be able to guide the team towards achieving the goal. Bennis (1989) proposed that a role of the leader is to give direction to vision and ideas so that followers can work on achieving the vision. In addition to Bennis, Ulrich et al. (1999) called for leaders to set direction so that the vision could become a reality. Kotter (1990) and Kanter (1995) both independently called for similar leadership efforts in that the leader should establish a direction. This can best be done by helping the followers see what must be done in the short and intermediate-term through strategies and tactics to achieve the vision. According to Ulrich the leader sets the purpose and direction of the organization which is almot evident in all the organizations these days. Further he insisted that leaders should have three elements which are having ethics, emphasizing ethics, and enforcing ethics. The concepts that were suggested by the above mentioned experts are employed in the concern since it serves as a guide to understand what the leader should do and how a leader should shoulder responsibilities. .

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