# Questions Asked onAugust 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.

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

3. ## basic algebra

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

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!

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

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

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?

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.

9. ## math

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

10. ## Math

What is 0.1 less than 4.93?

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

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

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

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

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

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

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

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

19. ## Interpersonal Communications

Explain the principles and misconceptions in effective interpersonal communications

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?

21. ## HS English Grammar

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

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

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

24. ## criminal justice

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

25. ## social studies

who is known as the father of medicine

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

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

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.

29. ## Calculus

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

30. ## Calculus

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

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

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

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

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

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

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

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

38. ## accounting

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

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

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

41. ## soc

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

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

43. ## Elementary Math for Educators

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

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?

45. ## Geography

What is a lowland?

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.

47. ## Geography

So is a highland higher than the surrounding areas?

48. ## Research Writing

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

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.

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

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?

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

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

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

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

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?

57. ## English

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

58. ## statistics

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

59. ## Statistics

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

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?

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?

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

63. ## social health

what is social health

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?

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,

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.

67. ## geography

What is the biosphere?

68. ## Interpersonal Communications

Identify the barriers to effective interpersonal interactions.

69. ## Interpersonal Communications

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

70. ## Interpersonal Commincation

Assess their personal communications and improve their communication competencies

71. ## Interpersonal Communications

Develop strategies for active, critical, and empathic listening.

72. ## Interpersonal Communications

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

73. ## interpersonal Communications

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

74. ## Interpersonal Communication

Evaluate appropriate levels of self-disclosure in relationships

75. ## Interpersonal Communications

Describe strategies for managing interpersonal conflicts

76. ## Interpersonal Communications

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

77. ## Interpersonal Communications

Understand the impact of gender and culture on interpersonal communications

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

79. ## sociology

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