Questions Asked on
August 9, 2009

  1. MATH Prob.

    Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers. A) 4/3 B) 1/81 C)1/64 D)3/4 I automatically think D.

    asked by Twg
  2. Chemistry

    The much-abused drug cocaine is an alkaloid. Alkaloids are noted for their bitter taste, an indication their basic properties. Cocaine C17H21O4N, is soluble in water the the extent of 0.17g/100 mL solution, and a saturated solution has a PH = 10.08. What

    asked by Sev
  3. basic algebra

    1/x = 1/y + 1/z solve for Z

    asked by jawn
  4. Physics

    Two vectors with magnitudes of 6 meters and 8 meters cannot have a resultant of: 48 meters 14 meters 10 meters 2 meters Please explain. I do not understand how to figure this out!

    asked by Hannah
  5. Physics

    There is a 85uC point charge at the origin. Find the electric field at the point x3= -45cm , y3= 55cm (5.85*10^5)(-.45+.75)/(-.45^2+.75^2)^3/2 am I totally off The previous questions before this were to find at x1=40cm y1=0 and x2=65cm y2=65cm I figured

    asked by Victor
  6. Physics

    There is a charge that is 1uC and another charge that is 2 uC. They are 10 cm apart. I need to find a point where the electric field is zero. All I have is this kq1\a=kq2\(10-a)^2 where q1=1 where q2=2 where k=9*10^9 I am lost after this I know I use

    asked by Victor
  7. general science

    A Compound Containing 3 Atoms Of Carbon And 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The Two End Products Of This Equation Are Carbon Dioxide And Water. What Element Should You Look At First In Balancing This Equation?

    asked by jennifer
  8. -

    What mass of Al can be deposited by the passage of a constant current of 5.00 A through a Al(NO3)2 solution of 2.00 hours? My work: Q= I*t = 5 * 7200sec = 36000 36000/96458= .3732 .3732* 1/3 * (26.98*3) = 10.06g But this is wrong it's suppose to be 3.3.6g.

    asked by Chem
  9. math

    if three darts are thrown at the dart board and no darts hits a line what score is possible?

    asked by Brian
  10. Math

    What is 0.1 less than 4.93?

    asked by Ashley
  11. AP physics

    A glider on an air track carries a flag of length through a stationary photogate that measures the time interval [box]td during which the flag blocks a beam of infrared light passing across the gate. The ratio vd = l(italicized)/[box]td is the average

    asked by annemarie
  12. Gen

    i need help or suggestions answering these please.. Identify what information should be gathered to help in solving it and where this information may be obtained. · Describe the process to evaluate the gathered information, such as perspective and

    asked by troyer0269
  13. statistics

    What is the formula to do this exercise, Please. A sample of 40 investment customers serviced by an account manager are found to have had an average of $23,000 in transactions during the past year, with a standard deviation of $8500. A sample of 30

    asked by Maggy
  14. business statistics

    Please, I would the step to do this problem. In a one-way ANOVA, there are three independent samples, with n1 =8, n2 = 10, and n3 = 7. The calculated F-statistic is F = 3.95. At the 0.05 level of significance, what conclusion would be reached? Based on the

    asked by Laritza
  15. college

    The Joyner Corporation originally budgeted for $360,000 of fixed overhead. Production was budgeted to be 12,000 units. The standard hours for production were 5 hours per unit. The variable overhead rate was $3 per hour. Actual fixed overhead was $360,000

    asked by natasha
  16. basic math

    Is it always true, sometimes true, or never true that a regular quadrilateral has two or more obtuse exterior angles? Is it Sometimes true

    asked by Pepe
  17. Elementary Math

    Decide which of the variables described is likely to have a normal or near-normal distribution. a. The number of courses remaining until graduation for the students in a small liberal arts college b. The SAT mathematics scores for students in an advanced

    asked by George
  18. Sara

    How many mL of .200M acetic acid are mixed with 13.2mL of.200M sodium acetqte to give a buffer with pH=4.2

    asked by Chemistry
  19. Interpersonal Communications

    Explain the principles and misconceptions in effective interpersonal communications

    asked by shayla
  20. HCA 210

    I am having trouble with finding two approaches or indicators to measuring patient outcomes. I thought one might be the variation, but I am unsure. Can you help?

    asked by miss
  21. HS English Grammar

    Which is correct: The jury (is or are) discussing the case. (use is or are)

    asked by Austin
  22. math (tree diagram)

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element. My three questions Is there

    asked by Donni
  23. math-word probblem

    Case Eastern Junior College awarded 26 varsity letters in crew, 15 in swimming, and 16 in soccer. If awards went to 46 students and only 2 lettered in all sports, how many students lettered in two of the three sports? is the answe 13 lettered

    asked by Grant
  24. criminal justice

    list the characteristics of workgroups tha have a direct effect on individual performance and organizational productivity.

    asked by bethanie
  25. social studies

    who is known as the father of medicine

    asked by brooke
  26. HCA 220

    I need help with my assignment for HCA 220 week 8.Its a Physiology Presentation Ch. 8, 9, & 10. I have to create a powerpoint presentation of 10-12 slides that summarizes the processes of muscular movement, bone growth, and nerve transmission. Each process

    asked by Markella Smith
  27. business law

    Why do you think drafters decided to propose ucc and cita distinct uniform act ?

    asked by Renee
  28. Math

    (With a TI-89 calculator) Graph x(t) = 3t^2 and y(t)=2-2t on [0,1]. Write a Cartesian equation that models this graph. Identify the initial and terminal points. I graphed both equations, but I didn't really get what [0,1] meant. I think it's an interval.

    asked by Nikki
  29. Calculus

    find the equation of the tangent line to the curve when x=7. f(x)= 6-x^2

    asked by Stacy
  30. Calculus

    find the equation of the tangent line to the curve when x=7. f(x)= 6-x^2

    asked by Stacy
  31. Physics

    Sense I'm not taking Physics C but Physics B I guess I'm not expected to find the value of the drag force sense that would involve soem calculus. I just have a question though. If we performed a lab outside wouldn't the drag force vary from time to time

    asked by Phyiscs
  32. Chemistry

    The net reaction in a voltaic cell with Eºcell= +.726V 2Fe^3+(aq) + 3Zn(s) --> 2Fe(s) + 3Zn^2+(aq) What is the delta Gº for this reaction at 25ºC I tries using this equation: delta G = -nFEºcell = -n(90485)(.726) However, I don't know how to calculate

    asked by Sara
  33. healthcare administration

    What is one strength and one weakness seen in the current U.S. health care system?

    asked by mary
  34. crt 205

    Final Project: Comprehensive Argument Analysis The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library

    asked by tiffany
  35. statistics

    Only the formula to do this exercise, Thank you. In a study by Web Criteria, it took an average of 2.1 minutes to locate information and buy products on the Delta Airlines website, compared to an average of 2.7 minutes on the British Airways site. Assume

    asked by Maggy
  36. statistics

    Only the formula, Thank you. A bank manager has been presented with a new brochure that was designed to be more effective in attracting current customers to a personal financial counseling session that would include an analysis of additional baking

    asked by Maggy
  37. business statistics

    Please, only formula and steps to do these exercises. Thank you For the following data from independent samples, could the null hypothesis that the population means are equal be rejected at the 0.05 level? Sample1 Sample2 Sample3 Sample4 15.2 10.2 14.9

    asked by Laritza
  38. accounting

    what period expense is difficult to match with revenue. explain why?

    asked by yorkie16
  39. statistics

    A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in file. Using the 0.025 level of significance in a

    asked by Laritza
  40. math

    Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant. I have no idea on how to come up with

    asked by Nikki
  41. soc

    How does modernization manifest itself in U.S. society?

    asked by Anonymous
  42. Business Statistics

    I looking for statistics practice exercise solution from chapter 12 by Roanld Weiers

    asked by Heidy
  43. Elementary Math for Educators

    give three ways a student could find the product of 9x7 if she had not memorized this fact.

    asked by Kendra
  44. Basic Math

    I'm really stuck in this question can someone please help me out in this one. Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond?

    asked by Maria
  45. Geography

    What is a lowland?

    asked by Callie
  46. MTH 156

    "Emergency Please Help"!!!!! A bus is scheduled to stop at a certain bus stop every 45 minutes. At the end of the day, buses still stop after every 45 minutes, but because delays often occur earlier in the day, the bus is never early and likely to be late.

    asked by George
  47. Geography

    So is a highland higher than the surrounding areas?

    asked by Callie
  48. Research Writing

    In addition to the CWE, what other writing tools are available for revising a research paper?

    asked by Anonymous
  49. Geography

    Which of these areas has low relief? A. The Applachian Mountains B. Hawaii C. Florida D. Colorada I think it's C but i'm not for sure.

    asked by Callie
  50. physics

    thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I

    asked by physics
  51. Geography

    Sorry to bother you again! A map that shows a man-made feature is a: A. political map B. physical map C. mercator map D. thematic map Is it A?

    asked by Callie
  52. business statistics

    Please can you give the formula please, A sample of 40 investment customers serviced by an account manager are found to have had an average of $23,000 in transactions during the past year, with a standard deviation of $8500. A sample of 30 customers

    asked by Heidy
  53. Math (repost)

    Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant opening to the right. I have no idea on

    asked by Nikki
  54. General Chem

    A weak acid has Ka= 1*10^-3. If [HA]= 1.00 M what must be [A-] for the pH to be pH 2.7? My work: pH= Pka + log(B/A) 2.7= 3 + log (B/A) Kw= Ka* Kb 1*10^-14= 1*10^-3 * Kb Kb= 1*10^-11 I don't know how to go about from here

    asked by Hina
  55. ART

    Select one artwork that expresses a human experience you have encountered in your own life. Human experience, or the human condition, includes birth, death, love, loss, pleasure, pain, hope, frustration, elation, despair, values, and beliefs. Your chosen

    asked by Anonymous
  56. sociology

    What role does the public play in determining the practice rights of midwives, and how does this role impact the AMA's position on the subject?

    asked by steve
  57. English

    I need a character outlive for Sundara from a book called "Children of the River" by Linda Crew.

    asked by Briana
  58. statistics

    What does it mean when we say, "Correlation is not a causality?"

    asked by Bulldog
  59. Statistics

    Where and How do we need to use the basis of the Significance of a Difference between two means?

    asked by Bulldog
  60. statistics

    What does the following statement mean - "Measurements are nearly always of individual differences?" and What tools do we have that will allow us to interpret individual measures?

    asked by Bulldog
  61. Statistics

    Statistics has two main functions: Description and Inference. What does it mean when we say "Description to Inference: A Transition?" And, what statistical areas must inference use?

    asked by Bulldog
  62. Growth model

    Hello everyone. My task is to build a growth model for a company. The company offers services to businesses - and thus allowing the businesses to recruit new clients. Assumptions: - I started working with 10 businesses - A business I start working with

    asked by Pete
  63. social health

    what is social health

    asked by Anonymous
  64. History

    What do think I'll learn by interviewing a teacher about their school? Here are the questions I asked the teacher: Kearsney is the name of the school Where and when were you born? How would you describe your childhood? What was your ambition growing up?

    asked by Kyle
  65. Math(Subsets)

    Part 1 I have to use symbols in my anwser Suppose B is proper subset of C If n(c)=8, what is the maxium number of elements in n (B) What is the least possible numbers of Elements in B? Part 2 Suppose C is a subset of D and D is a subset of C If n (C)=5,

    asked by Keyeshia
  66. Geology

    Can someone please help me name a rather obvious vestigial structure in the human skeleton? Hint: This structure has both a proper anatomical name and a vernacular (common) name. Thanks.

    asked by B.B.
  67. geography

    What is the biosphere?

    asked by siam
  68. Interpersonal Communications

    Identify the barriers to effective interpersonal interactions.

    asked by shayla
  69. Interpersonal Communications

    Describe the process by which self-concept is developed and maintained

    asked by shayla
  70. Interpersonal Commincation

    Assess their personal communications and improve their communication competencies

    asked by shayla
  71. Interpersonal Communications

    Develop strategies for active, critical, and empathic listening.

    asked by shayla
  72. Interpersonal Communications

    Recognize how words have the power to create and affect attitudes, behavior, and perception.

    asked by shayla
  73. interpersonal Communications

    Understand how perceptions, emotions, and nonverbal expression affect interpersonal relationships

    asked by shayla
  74. Interpersonal Communication

    Evaluate appropriate levels of self-disclosure in relationships

    asked by shayla
  75. Interpersonal Communications

    Describe strategies for managing interpersonal conflicts

    asked by shayla
  76. Interpersonal Communications

    Recognize how self-concept and defensive and supportive messages and behaviors create positive and negative communication climates

    asked by shayla
  77. Interpersonal Communications

    Understand the impact of gender and culture on interpersonal communications

    asked by shayla
  78. sociology

    Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but also find them to stressful? Functional theory conflict theory symbolic interaction theory

    asked by paula
  79. sociology

    From the perspective of conflict theory, what do the success will be for the comeback of midwifery in the United States?

    asked by paula
  80. statistics

    Give me the formula please. when companies are designing a new product, one of the steps typically taken is to see how potential buyers react to a picture or prototype of the proposed product. The product-development team for a notebook computer company

    asked by Maggy
  81. Interpersonal Communication

    Define emotional intelligence and its role in effective interpersonal relationships

    asked by shayla