1. Nuclear Physics

    An investigator receives Co-60 (5.27 year half life) for use in a research study. Unfortunately the Co-60 is contaminated with Cs-137 (30.0 year half life). The initial Co-60 activity is 400 times the initial Cs-137 activity. How long after the initial assay will the Cs-137 ...
  2. Civics Still

    mena placed an order to purchase 12 soccer uniforms for her sons team. she paid for the uniforms, and they should have been delivered within 2 weeks. The uniforms were never delivered, and the company refuses to refund her money. Mena contacts a lawyer to file a lawsuit ...
  3. History Test Answer Check

    6th Grade Reconstruction and Economic Growth Unit Test Can you guys please help me I have almost the whole test done these are the question I have doubt about please check, Ms. Sue and Reed "…[The] said Cooper Hughs Freedman with his wife…are to work on said farm and to ...
  4. Math 116

    I have a long problem which I need help with..... Q1) there are two plans available with a total of 56 houses available. x represents plan 1 and y represents plan 2. write an equation illustrating the situation: A1) x+y=56 Q2) there are 3 times as many homes available with the...
  5. Math, physics

    A rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
  6. accounting

    The following information was made available from the income statement and balance sheet of Lauren Company. Item 12/31/10 12/31/09 Accounts Receivable $53,400 58,600 Accounts Payable 35,600 32,700 Merchandise Inventory 85,000 79,000 Sales (2010) 243,000 Interest Revenue (2010...
  7. math-algebra HELP!!!!

    1) A gym charges a one-time sign-up fee and then a regular monthly fee. The cost of a membership as a function of the number of months as a member is shown for 2010 and 2011 on the graph. a. What characteristics of the graph represent the sign-up fee and the monthly fee? What ...
  8. window XP

    Windows XP Professional can accommodate the addition and removal of many types of devices. The installation of a device results in the installation of drivers and allocation of resources. Subsequent removal of the device can result in this information disappearing from Device ...
  9. Huge Math Word Problem

    The owner of a rental house can depreciate its value over a period of 27 1/2 years, meaning that the value of the house declines at an even rate over that period of time until the value is $0. My question is by what fraction would the value of the house depreciate the first ...
  10. algebra

    Mat116 appendix F problem #2 2. As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a. The sales representative here tells you they also have two floor plans available, but they ...
  11. Precalculus

    NEED HELP ASAP PLEASE!! A savings account starts with $600 and pays 5% interest per year, compounded four times per year. a) A function that models the amount in dollars in the bank account after m years is A(m)=____________? b) How much will be in the savings account after 3 ...
  12. physics

    orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away. what is the distance between the central bright spot and the first order bright spot on the screen. (sorry I don't have ...
  13. physics

    orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away. what is the distance between the central bright spot and the first order bright spot on the screen. (sorry I don't have ...
  14. Chemistry

    Hope you don't mind I have 3 more that I don't understand 1)Draw the structure of the reaction product of 2-methyl-1pentene with H2 in the presence od platinum catalyst 2)Draw the structure of 4-methylcyclohexanol 3)Draw the structure of 2,3-dibromotoluene 1)Draw the structure...
  15. Finance

    Calculate the accounts receivable period, accounts payable period, inventory period, and cash conversion cycle for the following firm: Income statement data: Sales 5,000 Cost of goods sold 4,200 Balance Sheet Data: Beginning of Year End of Year Inventory 500 600 Accounts ...
  16. COMPUTER

    DEFINE MONITOR FUNCTIONS OF A COMPUTER EXPLAIN 1 ENTER 2 HOME 3 INSERT4 ESCAPE 5 CAPS LOCK MENTION SEVEN WAYS TO CARE FOR THE FLOPPY DISK DEFINE A COMPUTER KEYBOARD DEFINE A MOUSE
  17. Math

    A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ...
  18. Chemistry

    Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)- Limonene. The path length is 13cm. What optical rotation should the student expect to measure?
  19. Math

    Given a rectangle is transformed using the rule (x,y)→(-x,-y),what transformation occurred?Rotation or reflection.If Rotation name the direction and degrees and if reflection name the line.
  20. Inflation and Actual Rate of Return

    Becka borrowed $500 from her cousin at the rate of 9% per year. If the inflation rate was 2.9% that year, what is her cousin's actual rate of return on the loan?
  21. Math

    At Smith's club the pay-per-visit fee is $5 per day. would Smith save money paying per visit? Assume that a month has 4.3 weeks. what percentage of his monthly $90 fee would he spend if he paid on a per-visit basis? 2. IF Smith goes to the gym three times per week, what ...
  22. math

    Adnan asked 20 friends to tell him their favorite season of the year. Autumn was the favorite season of the year for 30% of Adnan’s friends. How many of his friends chose autumn?
  23. American Goverment

    The Judiciary Act of 1789 established all of the following except that the Supreme Court would (Points : 1) have one Chief Justice. have five associate justices. sit in two sessions each year. determine how many federal districts there would be.
  24. Algebra

    Jess uses her scanner to scan pages at the rate of $.09 per page. She decides to rent a scanner for $70 a year. The cost of scanning using the rented scanner is $.02 per page. Please help me write an inequality that can be used to calculate the number of pages that Jess should...
  25. Statistics (Check Work)

    Can Someone help me with these 2 problems? I am certain I am solving them correctly, but for some reason the computer keeps marking my answers as incorrect. Question 1: Minnesota had the highest turnout rate of any state for the 2012 Presidential election. Political analysts ...
  26. English (MLA Citations)

    I need to cite Beowulf from The Norton Anthology of English Literature, but I'm not sure how, as the author is unknown. Here's the general format for MLA citations given by my teacher: Authors. Title of Piece. Title of Book. Edition. Vol. Editors’ Names. Page Numbers. City: ...
  27. writing

    I was wondering if some1 could help me in the right direction with this assignment. Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two ...
  28. Econ

    Total value of all assets in US YEAR ...total value of all final services in US ...total value of all final goods in US ...final goods and services produced by American firms in other countries ^ If I knew everything above, how would I calculate the GDP for the given year?
  29. Finance

    I need to identify the ROI and NPV of the wireless order-tracking system. Here is the information it gives me: - The aquisition cost is $35,000 paid at the time of installation. - It reduces the wait staff by one person: Figure $10 per hour, or 2020 hours per year + 18% ...
  30. computer studiea

    : 88% 100% 100% 100% 16% what is overall percentage
  31. OChem

    A sample of limonene has a specific rotation of +81.5. (Given that R-(+)-limonene = +125.5 and, S-(-)-limonene = -122.1). What is the %ee? ______%ee What is the molecular composition of this same sample? S isomer = ______% R isomer = ______% This is how I solved for the R and ...
  32. Math

    Stephanie got a travel pack of 4 aspirin each 500 ml. How many total grams are in the pack 0.5? A box of specialty baking flour holds 2 kg. How many angel food cakes can be made with a recipe that calls for 100 grams of flour? 0.1? Joey walks 4 kilometers to soccer practice. ...
  33. rela

    “After the Spanish instituted their treasure fleet” how can i reword this??
  34. human resources

    Need some help developing a 5 year career plan to be an HR Cooridnator. I am a Data manager for the last 8 yrs. In school now for my BS in Business Management will finish in January 2012. Start Master in July of 2012. A mother of 2. See below for the questions I have to use. ...
  35. Last equations question

    The line y=0.15x+0.79 represents an estimate of the average cost of gasoline for each year. The line 0.11x-y=-0.85 estimates the price of gasoline in January of each year (Bureau of Labor Statistics, 2006). a)Do you expect the lines to be intersecting, parallel, or ...
  36. just for fun

    Select an organization that you have worked for or one that you are familiar with and locate the goals the organization has set. Many times this information can be found on the company's website. Search the Library as well as the internet and research goal setting. Compare ...
  37. english

    in the following sentence where should the comma's go.. By late fall the hours of sunlight have begun to dwindle as the shortest day of the year known as winter solstice approaches.
  38. math

    Suppose you are managing an account in which you deposit Rs. 20,000 at the end of each year for 20 years. How much amount you have accumulated with the assumption that you earn 5% interest compounded annually.
  39. math

    How much money will you have at the end of one year if interest is compounded semiannually at 10% on a $600 deposit? A. $661.50 B. $659.50 C. $662.00 D. $660.00 i think it's d but not sure
  40. US History

    1. How and why was Lee thought to be so critical to the Confederate effort? 2. What about his family, upbringing, and past military roles would help him achieve as a general during the Civil War? 3. How would he be seen by his soldiers and how did their views of him help him ...
  41. Statistics

    A bucket has 3 blacks and 7 red balls. (a) What is the probability of drawing a black fall on the first draw? (my answer - 3/10 x 100 = 30%) (b) What is the probability of drawing a red ball on the 2nd draw if you replace the black ball you drew on the first draw? (my answer...
  42. Management accounting

    Suppose one chairlift costs $2 million now you have to install the lift for $1.3 million, this lift allows 300 skiers on the slopes,for 40 days out of a year, running it costs $500 a day for the 200 days that it is open, now suppose the lift tickets cost $55 a day and cash ...
  43. Business Math

    In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of $26,000 would have been worth how much 8 years ago?
  44. English

    4. complete the sentence. My answers are with capital letter This Iron Age village WAS DISCOVERED fifty years ago. Chysauster WAS INHABITED from 100 BC until the 3rd century. It IS VISITED by thousands of school children every year. It's an underground settlement like others ...
  45. MIcroeconomics

    Hi. THis is due Tuesday. I am working on it but can use some help. Peggy-Sue has been offered a job by Cookie monster inc for a salary of $125,000 per year. Currently she is producing her own cookies and she has revenues of $260,000 per year. Her costs are $40,000 for labor, $...
  46. Marketing 230

    How does an organization establish an IMC plan? What are some of the different stages that company goes through when developing their IMC strategy?
  47. Human Resource

    Why would a company's strategic plans/goals and vision affect what kind of incentive plan (financial or nonfinancial incentives) it should be using to motivate employees?
  48. Accounting

    For the current year ending March 31, Ewok Company expects fixed costs of $740,000, a unit variable cost of $55, and a unit selling price of $80. a. Compute the anticipated break-even sales (units). units b. Compute the sales (units) required to realize income from operations ...
  49. Math 116

    miguels insurance company will replace his car if repair cost exceed 80% of the cars value the car recentlly sustaned $6000 in damage but it was not repalced what was the car's value?. Was it more the $7500 or is it 7500
  50. Finance

    If you were an investor that wants to invest in a particular company, what financial ratios would you use to evaluate that company? What limitations would an investor have to take into account when evaluation the financial performance of a company?
  51. Smartphone Help

    This is an assignment in which I have to list down Requirements, advantages, and disadvantages of a smartphone. These are the requirements needed. -send and receive phone calls -send and receive texts -on screen keyboard or physical keyboard -can tether a computer to it -runs ...
  52. English

    Just reminding! If anyone has any ideas on how to teach first graders who are learning english as a foreign language (7 year olds)please be free to share them! I have to teach them 10 new words such as egg coffee ham tea milk butter toast bread etc.and i have to have app.20 ...
  53. 10th grade

    Im 16 years old im not actually really doing well in school. I cut way too many classes till this point have 5 overall credits. My guidance consuler told me that i have to take another year and this upcoming summer school i can't go cause i have way to many cuts. I really want...
  54. 10th grade

    Im 16 years old im not actually really doing well in school. I cut way too many classes till this point have 5 overall credits. My guidance consuler told me that i have to take another year and this upcoming summer school i can't go cause i have way to many cuts. I really want...
  55. SAT Writing

    Please correct, give feedback, and grade. Prompt: "I don't know the key to success,but the key to failure is to try to please everyone." Assignment: Is trying to please people a way to achieve success or a route to failure? Essay: " I don't know the key to successs, but the ...
  56. Advanced Algebra

    Jim begins a job with a starting salary of 27000 dollars. she is guaranteed a raise of 4.75% each year. Sarah also starts a job with a salary of 27000 dollars, she is guaranteed a raise of 1500 dollars each year. What will be Jim's salary after five years
  57. math

    You invested money into two funds. Last year,the first fund paid a dividend of 8% and the second a dividend of 5%, and you received a total of $1330. This year, the first fund paid a 12% dividend and the second only 2% and you received a total of $1500. How much did you invest...
  58. statistics

    Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund (round to four decimal places).
  59. Finance

    The Ziggler’s have been married for 6 years. They have two children, Myra (5) and Brenden (3). The Ziggler’s have considered having more children but at the present time they would like to begin some personal projects. Brett Ziggler has just finished his bachelor’s ...
  60. microeconomics

    Suppose that two people, Mary and John each live alone in an isolated region. They each have the same resources available, and they grow corn and raise pigs. If Mary devotes all her resources to growing corn, she can raise 200 pounds of corn per year. If she devotes all her ...
  61. MICROECONOMICS

    Suppose that two people, Michelle and James each live alone in an isolated region. They each have the same resources available, and they grow potatoes and raise chickens. If Michelle devotes all her resources to growing potatoes, she can raise 200 pounds of potatoes per year. ...
  62. Microeconomics

    Suppose that two people, Michelle and James each live alone in an isolated region. They each have the same resources available, and they grow potatoes and raise chickens. If Michelle devotes all her resources to growing potatoes, she can raise 200 pounds of potatoes per year. ...
  63. math

    Lisa deposits $3000 in an account that pays 2% simple interest, and $4000 in a second account which has a higher interest rate but is more risky. What minimum interest rate must she get on the second account in order to earn at least $700 in interest for the year?
  64. accounting1

    Your client is preparing financial statements to show the bank. You know that he has incurred a computer repair expense during the month, but you see no such expense on the books. When you question the client, he tells you that he has not received the official bill, although ...
  65. Statistics

    A student group claims that first year students at a university study 2.5 hours (150 minutes) per night during the school week. A skeptic suspects that they study less than that on average. He takes a random sample of 30 first year students and finds that X=137 minutes and sx=...
  66. Corporate Finance

    1. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straight-line method over its 3-year life, would have zero salvage value, and no new working capital would be required. Revenues and other ...
  67. concept development

    Choose the best example of a specific task assessment. A. Give a child two groups of marbles: a group of five and a group of eight. Then ask the child which group has more marbles. B. Ask a five-year-old child to clean the play area in 10 minutes. C. Ask a four-year-old child ...
  68. MATH HELP

    Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...
  69. Cost accounting

    each bill 1500 hours per year and receive pay of $100,000 each. Four paralegal work for the firm and each receives pay of $40,000 and works 2,000 hours per year. Overhead of $396,000 is anticipated, of which $300,000 is attorney support, and the rest is paralegal support. ...
  70. Help on finance

    Donna and Sherman Terrel are preparing a budget for 2003. Donna is a systems analyst with an airplane manufacturer, and Sherman is working on a master's degree in educational psychology. The Terrels do not have any children or other dependents. Donna estimates her salary will ...
  71. Economics

    The answer i got is : GDP grew 10% GDP for 2006 using 2005 as the base year increase by 20% real GDP grow? 10% If i'm right, let me know, if not, please show Calculation Thank You Use the following data to answer questions 1-3 (be sure to provide all calculations). Quantity ...
  72. classroom management

    Write a one-sentence goal for each of the seven assumptions that will support a productive and positive learning atmosphere. Your goals should focus on how you can achieve the demands of each assumption. Here are the seven assumptions. 1. Successful classroom management ...
  73. Science

    Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true? a. They all have rings...
  74. English

    Improving your writing. Section 1-Facts and figures that define the problem (the cause). Details that show the impact of the problem (effects) on Jack, Ruth, and the company. Section 2 - The steps needed to change the situation. Reason to implement each step, including the ...
  75. Math

    You searched for: Many states are carefully considering steps that would help them collect sales taxes on items purchased through the internet. how many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet/ Assume ...
  76. Leadership

    Deliverable Length: 1000-1200 words You are excited about your new position as compliance officer at ECG because this is your first role as a member of a senior executive team. You have the enviable opportunity to be a critical part of ECG’s growth as the leader who will ...
  77. statistics

    4.The College Boards, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 500 and standard deviation of 100. These scores are close to be normally distributed. a. What percentage of the scores can be expected ... ... ...
  78. Math Help!

    Find 21/25 of $27,000 A:$32,140 B:$5,670 C:$22,680 D:$23,760 Could you explain how it is C?? A new law requires that 12% of an individual's income be invested in the stock market. Your accounts show that you need to put $420 in the stock market this year. How much did you earn...
  79. english

    my comparison essay introduction paragraph. can someone help me think of what to wrtie before the "an analysis...." i just need a general idea of what to write because im stuck. here the intro: Miley Cyrus song “The Climb” is not only one of my favourite songs, but so is ...
  80. Future Value/Present Value Problems

    A) Serene Williams Corporation having recently issued a 20 million, 15 year bond issue, is committed to malke annual sinking fund deposits of 600,000. The deposits are made on last day of eac year and yield a return of 10%. Will the fund at the end of 15 yrs be sufficient to ...
  81. Math

    two health plans. Under plan A, Amy would have to pay the first $60 of her medical bills, plus 30% of the rest. Plan B would pay the first $140, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $140 in bills. A= $60...
  82. math

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one time activation fee of $26 and charges 8 cents a minute. The second plan has no activation fee and charges 13 cents a minute. After how many minutes of long ...
  83. math

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has an $18 one-time activation fee and charges 10 cents a minute. The second plan has no activation fee and charges 15 cents a minute. After how many minutes of long ...
  84. MATH

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $20 one-time activation fee and charges 13 cents a minute. The second plan has no activation fee and charges 17 cents a minute. After how many minutes of long ...
  85. Math

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of long distance calls ...
  86. marketing

    Please check this to see if I am on the right track. Thanks for your help and time. Question Describe at least three activities that represents each characteristic of a Customer Relationship Management plan; share of customer, lifetime value of a customer, customer equity or ...
  87. Entrepreneurship

    1. After you have put a marketing plan in place, it is important to do what? A) Monitor the results. B) Increase the price. C) Reduce your advertising. D) Segment the market. Is the answer A? 2. Using advertising to promote a company instead of a product or service is called ...
  88. Business

    If one company(A) owns another company(B) and Company B owns a third company (C) is it safe to say that Company A owns part of Company C? A real life example is the sports media group TSN is 20% owned by ESPN. ESPN is then in turn 80% owned by The Walt Disney Company. Can I ...
  89. managerial economics

    assuming that the firm's goal is to maximize present value of the profits in the subsequent 5 years, which of the following flows of profit would achieve that goal? Justify your answer. Note that the flows are represented by 5-tuples, i.e. five number each of which represents ...
  90. Stats help

    A poll conducted in 1972 asked 1003 people, " During the past year, about how many books did you read either all or part of the way through?" Results of the survey indicated that x-bar=18.9 books and s=1 9.9 books. A)Construct a 95% confidence interval for the mean number of ...
  91. Stats help

    A poll conducted in 1972 asked 1003 people, " During the past year, about how many books did you read either all or part of the way through?" Results of the survey indicated that x-bar=18.9 books and s=1 9.9 books. A)Construct a 95% confidence interval for the mean number of ...
  92. Personal Finance

    Donna and Sherman Terrel are preparing a budget for 2003. Donna is a systems analyst with an airplane manufacturer, and Sherman is working on a master's degree in educational psychology. The Terrels do not have any children or other dependents. Donna estimates her salary will ...
  93. Math

    Starting on her 21st birthday and continuing on every birthday up to and including her 65th, Jessie deposits $2,000 a year into an IRA. How much (to the nearest tenth) will be in the account on Jessie's 65th birthday if the account earns: A. 7% compounded annually? B. or 11% ...
  94. Business finance

    Question No: 1 The overall (weighted average) cost of capital is composed of a weighted average of : a)The cost of common equity and the cost of debt b)The cost of common equity and the cost of preferred stock c)The cost of preferred stock and the cost of debt d)The cost of ...
  95. macroeconomics

    GDP rises from $4 trillion in 2006, the base year, to $5 trillion in 2012. The GDP deflator in 2012 is 120. Find real GDP in 2012. Find the percentage increase in real GDP between 2006 and 2012.
  96. Accounting

    1/2/15 Purchased patent (6-year life) $521,580 4/1/15 Goodwill purchased (indefinite life) 395,170 7/1/15 14-year franchise; expiration date 7/1/2025 519,400 9/1/15 Research and development costs 169,890 Prepare the necessary entries to record these intangibles. All costs ...
  97. Statistics

    1. The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6 and a standard deviation of 5.9. A simple random sample of 60 students who took the exam is selected for study: a) What is the shape, mean(expected ...
  98. accounting

    James, Inc. discovered that equipment purchased three years ago for $600,000 will not last as long as originally estimated. The firm was depreciating the equipment at the rate of $80,000 per year with an estimated salvage value of $40,000. New estimates indicate that the ...
  99. Thank you

    Thanks for all your help, Jiskha! I'll come back to this website next year for help, and to all the tutors who helped me, I hope you have a nice summmer.
  100. math

    If you can earn a 4% average return on your investments, how much invested capital must you have to earn $53000.00 per year.
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