Popular questions and responses by Dawn
  1. college algebra

    Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial fee of $50 and an

    asked on September 22, 2012
  2. Science

    The very large increase in allergies over the last thirty years is due to the great success of immunizations administered over this time period. Since immunizations have nearly eliminated life-threatening diseases such as polio, the human immune system

    asked on August 2, 2020
  3. math

    Find the volume of the cone to be constructed from a sector having a diameter of 72 cm and a central angle of 210 

    asked on April 27, 2015
  4. Managerial Economics

    If all assumptions of perfect competition hold, why would firms in such an industry have a little incentive to carry out technological change or much research and development? What conditions would encourage research and development in competitive

    asked on June 3, 2008
  5. Math

    The police can determine the speed a car was traveling from the length of the skid marks it leaves. The function they use is S = f(L) = 2sqrt(5L) where S is speed (mph) and L is the length of the skid marks (feet) (a) If skid marks of length 125 feed are

    asked on November 21, 2014
  6. Statistics

    Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is

    asked on January 22, 2012
  7. College Physics

    In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational

    asked on October 2, 2010
  8. Organic Chem

    In the most stable conformation of trans-1-isopropyl-3-methylcyclohexane, what positions do the methyl and isopropyl groups occupy? a) methyl group-axial, isopropyl group-equatorial b) methyl group-equatorial, isopropyl group-equatorial c) methyl

    asked on February 3, 2008
  9. MA

    Can a/b and (a+b)/b ever form a proportion? Why or why not?

    asked on August 25, 2014
  10. Math

    Mark bought four times as many apples as Harry and three times as many apples as Martin. If Mark, Harry, and Martin purchased less than a total of 190 apples, what's the greatest number of apples that mark could have purchased?

    asked on March 10, 2013
  11. childcare

    1. In order to be eligible for accreditation by the NAEYC, an early childhood program must serve a minimum of _______ children. A. five B. six C. ten D. fifteen 2. Which of the following agencies or organizations does not grant certifications? A. State

    asked on February 1, 2011
  12. child day care

    1. When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually

    asked on February 1, 2011
  13. Principles of Accounting 1

    I need help please I don't understand this at all. Thanks. Part A: Prepare general journal entries to record the following transactions for the Harris Company. (The company uses the balance sheet approach for recording bad debts expense.) 2010 Dec. 31

    asked on January 27, 2015
  14. Math 130

    A Students says that 3 1/4 % = 0.03 + 0.25 = 0.28. Is this correct? Why or why not? So I got .0235 and I don't think this is correct

    asked on September 3, 2014
  15. math

    the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?

    asked on November 19, 2009

    Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) +

    asked on September 27, 2009
  17. L.A

    The word aloof is an English word borrowed from Dutch. It's meaning is "at a distance". In which of the following sentences is the word used correctly? A. Anne's sociable nature made her aloof in new situations. B. When he first arrived at the secrete

    asked on April 14, 2015
  18. physics homework

    can you please check my answers? 10. when rewinding a an audio tape or vdieotape, one reel winds fastest at the end. which reel is this? why does it speed up? -The reel is the left and it speeds up because of its greater rotational intertia is near the

    asked on October 16, 2007
  19. Physics, please help today!

    0.0100kg particles have been glued to a rod of Length L=6.00cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change the rotational rate (a) from 0-20.0 rad/s, (b) from 20.0 rad/s to

    asked on November 30, 2006
  20. Math

    A house is being purchased for $138,000.00. The 30-year mortgage has a 10% down payment, an interest rate of 4.875%, and a PMI payment of $25.88 each month for 77 months. The yearly taxes are $2400.00, and the insurance is $750.00 per year, which is to be

    asked on March 30, 2020
  21. state

    Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 55 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed,

    asked on July 11, 2015
  22. Art

    Artists make shapes in the background smaller than shapes in the foreground to communicate their distance from the viewer. How else might a landscape artist show shapes in the background to depict their distance from the viewer? A. Show shapes with bright

    asked on April 14, 2015
  23. Math

    Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation. Can you give me some sites to look

    asked on April 13, 2015
  24. algebra

    A movie theater charges $6 for an adult and $3 for a child. if the total amount was 1428 and there were 56 more children than adults - then how many children attended?

    asked on November 13, 2012
  25. Liberal Arts Math

    How do I find the indicated values of these? a. xP1 b. xC2

    asked on September 29, 2012
  26. Science

    An escalator is moving downward with a uniform speed of u. A man of mass m is running upward on it at a uniform speed of v. If the height of the escalator is h, the work done by the man in going up the escalator is?

    asked on December 8, 2011
  27. physics

    In a steam radiator, steam at 110°C condenses and the liquid water formed is cooled to 80°C. How much heat per gram of liquid formed, is released in this process?

    asked on March 14, 2011
  28. child care

    1. The first step to planning a child care center is to A. develop your program philosophy. B. determine the nature of the need for child care facilities in your community. C. establish goals for the children, parents, staff, and community. D. determine

    asked on February 1, 2011
  29. math

    Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2

    asked on February 9, 2010
  30. 1st grade

    What is your name; asked Anita.

    asked on June 7, 2009
  31. SCI 275

    To function, ecosystems require an input of energy. Where does this energy come from?

    asked on November 15, 2007
  32. SCI 275

    In both parasitism and predation, one organism benefits at the expense of another. What is the difference between the two processes?

    asked on November 14, 2007
  33. Chemistry 11

    What is the concentration of the solution formed when zinc metal is reacted with 950.0 cm3 of 1.25 M hydrochloric acid? What is the volume of hydrogen gas (at stp) that is evolved in the same reaction?

    asked on July 19, 2018
  34. Math Statistic

    A student randomly guessed the answers to a five question true/false test (there is a 50% chance of guessing correctly on each question). Find. 1. the probability that the student answers more than 1 question correctly 2. the expected number of correct

    asked on April 11, 2017
  35. algebra

    Give an example of a function, f(x), with a domain of (0,5] and a range of [0,∞). I've came up with the following. Is there a way to change it to limit domain to the (0,5]? |(1/x) + ((1/x) - 5))|

    asked on November 15, 2016
  36. math

    Write the decimal as a fraction ir mixed number. 0.89

    asked on July 3, 2016
  37. English Citations

    Hi, I am writing an intext citation MLA style. My source has two authors (a husband and wife) with the same last name. Perdu owl shows me how to make an intext citation with 2 or more authors, but it does not indicate what to do if the two authors have the

    asked on March 14, 2016
  38. English

    Which word below is the subject of the sentence: A)the ball B) the quarterback threw C)the field D)down

    asked on October 23, 2015
  39. L.A

    From which statement in The Governess could you conclude that Mistress is self-important? A."I didn't bother making a note of it because I always do it." B. "Maybe you thought you heard forty even I said thirty." C. "I excelled in mathematics. He gets that

    asked on April 15, 2015
  40. Art

    Public spaces such as playgrounds or skate parks often serve the purpose of meeting which significant human needs? A. Needs for conflict and stress. B. Needs for solitude and meditation. C. Needs for creativity and art creations. D. Needs for recreation

    asked on April 14, 2015
  41. Art

    A cityscape artist complete a portrait of a busy, grimy, dirty city with no signs of nature. Which of the following might be be suggesting humanities relationship with the surrounding world? A. Cities encourage productivity and life. B. Cities encourage

    asked on April 14, 2015
  42. Math 112

    There are 100 employees in a room. 99% are managers. How many managers must leave the room to bring down the percentage of managers to 98%?

    asked on September 2, 2014
  43. Please help

    What is 5x+6x+7x=31,050 solve for X X is 1725 I'm lost where and how did they get 1725 for X

    asked on August 31, 2014
  44. Chemistry

    In a silphuric acid (H2SO4)-Sodium Hydroxide (NaOH) acid-base titration, 17.3mL of 0.126M NaOH is needed to neutralize 25mL of H2SO4 of unknown concentration. What is the morality of the H2SO4 solution? H2SO4 (aq)+ NaOH (aq) = Na2SO4 (aq) + H2O (l)

    asked on July 1, 2014
  45. physics

    A 240-kg boat is at rest in calm conditions. A sudden wind pushes the boat 200 meters in 30 seconds. What was the net force on the boat if the acceleration was constant?

    asked on February 20, 2013
  46. Statistics

    A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.

    asked on February 19, 2013
  47. Math

    susan spends 2 1/4 hours taking inventory and 1 1/2 hours restocking how many hours does susan work

    asked on January 28, 2013
  48. Chem

    If the pH of a solution at 25.00 degrees celsius is 2.37, the pOH of the solution at that temp is:

    asked on December 12, 2012
  49. Math for Liberal Arts

    Directions: Define the necessary symbols, rewrite the argument in symbolic form, and us a truth table to determine whether the argument is valid. If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid.

    asked on November 8, 2012
  50. Math for Liberal Arts

    Directions: Define the necessary symbols, rewrite the argument in symbolic form, and us a truth table to determine whether the argument is valid. If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid.

    asked on November 8, 2012
  51. stats

    A set of data is normally distributed with a mean of 200 and standard deviation of 50. • What would be the standard score for a score of 250? • What percentage of scores is between 200 and 250? • What would be the percentile rank for a score of 250?

    asked on October 9, 2012
  52. english thesis

    I am not sure if my my original post, posted? lol o Age, understanding the concept of death, and the changes in family structure all depict the type of grieving a child will experience after to the death of a sibling. that is my thesis, but I want to know

    asked on December 12, 2011
  53. easy math

    for a project i need to graph numbers like: 3.456 billion, 92.07 billion etc. however i need to graph 1.009 TRILLION and 1.268 trillion. i wanted to keep the scale written as billions, how can i express the trillions as billions? thanks!

    asked on September 19, 2011
  54. science

    need to unscramble these letters to make a four word message using this pattern xxxxx xxx xxx xxx letters are teeuobftrdhsye or teeuobflrdhsye please help

    asked on March 9, 2011
  55. childcare

    Questions 1–3 are based on the following scenario: Mrs. Carroll and her sister, Ms. Howard, plan to operate a small day care center in a remodeled building. They're licensed and staffed to handle up to 24 children. Ms. Howard doesn't plan to work at the

    asked on February 1, 2011
  56. Physics

    A 55 kg skier rests on a hill that has an angle of 25° to the horizontal. What is the magnitude of the normal force the hill exerts on the skier?

    asked on December 14, 2010
  57. physics

    a block of mass slides off the edge of a 2 foot tall table at 3.13m/sec. how far away from the edge of the table does it land?

    asked on October 17, 2010
  58. algebra

    This is actually part of a statistics problem I'm working but I forgot how to do this and if someone can refresh my memory, I might be able to solve these. The problem is with factorials. 20! / 5! (20-5)! I know I can reduce and cancel, but how and where?

    asked on August 4, 2010
  59. Statistics

    Many women take oral contraceptives to prevent pregnancy. Under ideal conditions, 1% will become pregnant within one year. In typcal use, 5% become pregnant. Choose 20 random women taking the pill. How many become pregnant in the next year? a. What is the

    asked on August 4, 2010
  60. english

    can someone answer my question without sarcasm? Or even answer it? I need help writing a sentence with a linking verb. it has to be about the role of education in sucessful financial planning

    asked on June 20, 2010
  61. college

    12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out don't want the answer just want to know how to solve it!

    asked on June 18, 2010

    Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubed-isquared

    asked on February 9, 2010
  63. physics

    A sheet of 6 cm in thickness causes the original intensity to decrease to 59% of its original value. You are trying to build a soundproof room that reduces sound coming in and out by 95%. That is, the intensity after crossing the walls is only 5% of the

    asked on January 21, 2010
  64. Human resources

    List examples of tangible and intangible forms of organizational culture. Which form of organizational culture is the most powerful agent for influencing ethical behavior by employees in human service organizations?

    asked on December 9, 2009
  65. math

    Can you find the 11th term of the arithmetic sequence: 5, 12, 19, 26.

    asked on August 1, 2009
  66. math

    Okay. so say their is a list of numbers: x y 0 3 1 5 2 7 3 9 4 11 I know how to answer a question like "use an equation to figure out Y when X is..." but how do you figure do " figure out X when Y is" ? I konw that the formula is y=mx+b but i don't know

    asked on May 26, 2009
  67. hca 230

    compose a list of perspectives for patients i found a lot on caregivers but nothing on patients

    asked on April 13, 2009
  68. 2nd grade

    Okay, my child is doing problem solving lesson 5-7 in scott foresman addison wesley book. The question that we are having a problem with is a number line. there are 10 spaces in the number line and the clues are: Clue 1: the number are between 70 and 82

    asked on January 20, 2009
  69. help

    Teachers sometimes want students to work together in order to complete an assignment or a task. Two common instructional methods used in the classroom are group investigation and cooperative learning. When is it appropriate to use group investigation in

    asked on October 19, 2008
  70. AED

    Can anyone give me suggestions on the following information that will help me please.. Choose a disruptive or off-task behavior that is routinely displayed in a classroom. • Prepare a 10-minute role-playing script based on the off-task or disruptive

    asked on October 13, 2008
  71. help asap please

    Consider that implementing effective classroom management strategies can create a classroom not only more conducive to learning but also more enjoyable for teachers, students, and other educational professionals. • Use the table in Appendix B to outline

    asked on October 13, 2008
  72. help

    Which three areas do you believe to be most prevalent, or which three areas have the greatest consequence in the workplace? Justify your answers. Chose from these.... Using e-mail to harass co-workers. Using company services (including the Internet) for

    asked on October 13, 2008
  73. math

    describe what the graph of interval-4,10 looks like.

    asked on September 18, 2008
  74. MAth

    help me please Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the American Dietetic Association. The

    asked on July 2, 2008
  75. AED

    Johnny is a 5-year-old kindergarten student starting school for the first time. What changes do you expect to see Johnny go through in the course of his first year of school? Be specific in your response, addressing changes in his physical, emotional, and

    asked on June 2, 2008
  76. Algebra

    Okay, i'm going to re explain this. (Sorry) Okaay..... The question is, how many blocks to you need to make a 20 step stair case. *BACKGROUND INFORMATION* To make a 3 step staircase you only need 6 blocks. I already know how many blocks i need for a 20

    asked on May 26, 2008
  77. Math (HELP!)

    Okay. I'm feeling kinda dumb right now cuz i should know this but i don't. I actually know how to get the anwser...but i need and expression. (Algebra) Okay, Their is a set of stairs made up of blocks. For three steps, its 6 blocks. The question is asking

    asked on May 26, 2008
  78. AED

    Axia College Material Appendix D Technology Use Timeline Currently, U.S. schools use technology significantly more than they did in the past. Research the use of technology in schools from 1980 until present day. Fill in the timeline below with events to

    asked on May 12, 2008
  79. AED

    help me please there are barriers that prevent the implementation of technology in classrooms. Based on your experiences or observations, what barriers exist that are not mentioned in Ch. 12? Discuss possible solutions to these barriers. You may want to

    asked on May 12, 2008
  80. AED

    1. Are there certain curricular areas in which technology is more useful than in others? Explain your answer.

    asked on May 12, 2008
  81. SCI

    Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

    asked on April 28, 2008
  82. HELP

    Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

    asked on April 27, 2008
  83. Sci

    How do lipids move through the body so they can be digested and absorbed? (2) How are lipids stored in the body?

    asked on April 21, 2008
  84. SCI

    Should we eliminate fats from our diets altogether and increase proteins? 2. What are some of the benefits that unsaturated fats provide when included in a balanced diet. 3. What are some benefits that proteins provided when included in a balanced diet.

    asked on April 21, 2008
  85. SCI

    i need help finding this diabetes how it affects the body, diabetes it affects the body,

    asked on April 20, 2008
  86. SCI

    I need help finding info. on the following I am searching online snd not having a lot of luck on what i need. including speaker notes, that explains: • What carbohydrates are, the difference between simple and complex carbohydrates, how sugars are broken

    asked on April 19, 2008
  87. science

    List two ways in which a metabolic block can have phenotypic effects?

    asked on April 17, 2008
  88. SCi

    What carbohydrates are, the difference between simple and complex carbohydrates, how sugars are broken down and used in the body, the benefits that carbohydrates provide to the body • Give examples of foods that are considered healthy sources of

    asked on April 14, 2008
  89. AED

    What are some examples of typical, quick decisions teachers make on a daily basis? What were the 5 most difficult school-related decisions you made this week? What made them difficult? What was the impact of those decisions on the classroom environment?

    asked on April 6, 2008
  90. physics

    A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift is performed in three stages, each requiring a vertical distance of 7.70 m: (a) the initially stationary spelunker is accelerated

    asked on February 13, 2008
  91. physics

    A horizontal force of magnitude 22 N is applied to a 3.0 kg book as the book slides a distance d = 0.5 m up a frictionless ramp at angle è = 30°. The book begins with zero kinetic energy. What is its speed at the end of the displacement?

    asked on February 13, 2008
  92. Com

    There are many distinctions among the different types of communication techniques used in the business world. · Select two techniques. · Provide an example of when it is appropriate to use each in corporate communication. 2. CheckPoint: Letter Writing

    asked on February 11, 2008
  93. AED 200

    Audience recognition Terms for different audience levels Issues of diversity Multiculturalism Issues of sexist language • Explain how these audience characteristics will impact your technical writing process as well as how you will adapt a technical

    asked on February 7, 2008
  94. COM 135

    In order for technical communication to be effective, the writer must evaluate the intended audience, its characteristics, knowledgebase, expectations, and requirements. Address the following issues as they relate to the user manual you will create for the

    asked on February 6, 2008
  95. Geography

    I'm doing a Map of the Month, and i'm almost done. I just have to locate and lable 3 rivers. (Helmand River, Amu Darya River and Indus River). I'm having some difficulty trying to find a clear map that labes the at least one of the lakes, so if anyone had

    asked on February 5, 2008
  96. AED 200

    Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3

    asked on February 3, 2008
  97. SCI 275

    Discuss human behaviors that threaten environmental sustainability

    asked on January 7, 2008
  98. HUM 130

    can you think of other ways Christians are alike or different in their beliefs or practices?

    asked on December 18, 2007
  99. SCI 275

    i need help I am having trouble finding this info. Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Ground-level ozone (O3) Sulfuric acid (H2SO4)

    asked on November 26, 2007
  100. HUM 130

    How do you think the importance of these relationships developed? What spiritual purpose do you think they serve for indigenous peoples?

    asked on November 18, 2007


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