# Questions Asked onJuly 26, 2009

1. ## chemistry

hi kinda stuck :) 100.0 ml of 0.100 M H2NNH2 (kb =3.0 x10^-6) is titrated by 0.200M calculate PH after adding the following volumes of HNO3 a 0 b 25.0 ml c 50.0 ml d 60.0 ml ----------------------------------------- A) N2H4 + HNO3 --> N2H5+ + NO3- .100 0 0

2. ## Pre Calculus

Radium-221 has a half-life of 30 s. How long will it take for 95% of a sample to decay

3. ## Accounting

Classify the following adjusting entries as involving prepaid expenses (PE), unearned revenues (UR), accrued expenses (AE), or accrued revenues (AR). a. To record revenue earned that was previously received as cash in advance. b. To record annual

4. ## Pre Calculus

Evaluate log b {square root of 10b}, given that log b 2 = 0.3562 and log b 5 = 0.8271 (sorry I had no clue how to type this in math format!)

5. ## MATHS

Could you please explain how to do this question? Thank you very much. Gustav is an untidy man who keeps all his socks loose in his drawer. He has 6 pairs of white socks, 4 pairs of green socks and 5 pairs of black socks. What is the most number of socks

6. ## algebra

solve by factoring a^2 -121 = 0 (a-11)(a-11) is this correct?

7. ## World History

List two ways the Atlantic Slave trade affected Africa.

8. ## biology

How are haploid and diploid cells similar ? thanks again Jim

9. ## history

how did the pattern of European immigration shift in 1890

10. ## Algebra

Reduce the rational expression to lowest terms 3x^2-9x+6/10-5x

11. ## Chem

When you have carbon monoxide poisoning and you put on a 100% oxygen mask, will the CO react with the O to make CO2 which the body will exhale?

12. ## World History

Describe three ways the Church shaped Medieval life.

13. ## Algebra

For f(x) = x^3 – 4x – 7, use the Intermediate Value Theorem to determine which interval must contain a zero of f.

14. ## Accounting

Exercise 3-7 Determining assets and expenses for accrual and cash accounting C2 On March 1, 2003, a company paid a \$16,200 premium on a 36-month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in the

15. ## Pre Calculus

interest 7%; investment \$2000, compounded monthly - how much after 10 years. I am very close on this one but must be missing an important step: A(t) = 2,000(1 + .07/12)^(10)(12) A(10) = 2,000(1.0058)^120 A(10) = 2,000(2.0017 = 4003.4 However the answer is

16. ## math

Solve X + 1/x – 2 ≥ 3 I know you have to subtract the 3 from both sides to get the zero on right of the inequality sign. I don't understand how to make one fraction after I do this.

17. ## algebra

vw-vx+wz-xz x vw+vx-wz-xz ___________ ___________ kv+nv-kz-nz vw+vx+wz+xz find the product and put in lowest terms

18. ## Chem

stomach wall has a protective lining of mucous that prevent the acid from penetrating the underlying tissues. using asprin too often can damage the stomach wall. Aspirn is a weak carboxlyliic acid with a Ka of 3.2 x 10^-4. HC8H7O2CO2(aq) H^+(aq) +

Ok, I need help on the book "The Road" By cormac McCarthy. I need to know 3 themes, the plot, the setting and how it affects the story, and Literary devices used in the story! Thanks so much!

Dear Mr. VanYerself: I am interested. The position has requirements that match my abilities. My education meets your requirements. My experience relates to the job description. I believe I will be successful in this position, and I am eager to hear you to

21. ## Statistics

during the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to

22. ## algebra

Simplify expression. Assume all variables represent nonzero real numbers. ( (3y^2)/2)^3 I started to reduce but it did not look right.

23. ## math

Erika spent 5/6 hr on her computer visiting the history channel and the discovery channel websites. She spent 1/5 hr at the history channel website. How many hours did she spend at the discovery channel website? I came up with 19/30 hr. Am I correct?

24. ## math

For lunch, Jamie bought a 8-inch submarine sandwich. What fraction of a foot was Jamie's sandwich? (1 foot = 12 inches) I came up with 2/3, am I correct?

25. ## math

Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.

26. ## math

use the properties of logarithms to write the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.) In 3sqrt t

27. ## Communication Studies

Can people's attitudes be "isolated" by researchers? Can an attitude's contours, influence on behavior, and strengths be accurately measured?

28. ## Marine science

How has the Galapagos Tortoise changed or adapted over time?

29. ## math

use the change-of-base formula to write the given logarithm as a multiple of a common logarithm. In 5

30. ## History

Explain why the development of printing was described as a "revolution."

31. ## Grammar

which is the complete subject,simple subject The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. simple subject is: received 2nd degree burns :complete subject is two-and-a-half-month-old

32. ## Algebra

For f(x) = x^3 – 4x – 7, use the Intermediate Value Theorem to determine which interval must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and 3 D. Between 3 and 4

33. ## Grammar

Which are the simple subject and the verb? The child was treated with erythromycin. was=verb treated = subject. Cultures were taken of the throat. were = verb cultures = subject She was seen here, stabilized, and transferred to County Hospital. she = verb

34. ## Grammar

re-posting answers to questions... The patient was returned to the recovery room in good condition. verb = returned , subject patient Physical examination showed marked irritability. physical examination = subject verb = showed,

35. ## World History

Compare matrillineal and patrilineal cultures.

"What are the differences among the research approaches (and thinking styles) that guide the predominant kinds of studies done in operations research, marketing, finance, and/or organizational behavior?"

37. ## World History

Compare matrilineal and patrilineal cultures.

38. ## History

Identify three reasons why Japan closed its doors to the outside world.

39. ## algebra

Simplify the expression. Assume all variables represent nonzero real numbers (x^5)^-10

40. ## Pre Calculus

solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting

41. ## equations and inequalities

find the value of x in the equation 2(x-3)+5=(2x+6)

42. ## Grammar

Lungs were clear with an occasional cough. verb = were,lungs = subject He was discharged on the fourth hospital day. verb = discharged hospital = subject After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the

43. ## math

wwhat is the answer to x+7y=14

44. ## english

can someone please write me a story based on a grudge. i will be really happy.

45. ## Algebra

Please describe the end behavior of the graph of the function below. f(x) = –2x^5 – x^3 + x – 5?

46. ## calculus

Need help with the following proof: prove that if lim x->c 1/f(x)= 0 then lim x->c f(x) does not exist.I think i need to use the delta epsilon definition i am not sure how to set it up.

47. ## Grammar

He was discharged on the fourth hospital day. verb = discharged, he= subject questions hopefully fixed and are correct now... After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the verb = was and the subject =

48. ## History

Describe how capitalism, agriculture, and industrialization contributed to economics, economic development, regional specialization, and social reform?

49. ## biology

whats the similarities and difernces between gonochoristic and hermaphroditic ? thanks again Jim

50. ## World History

Explai three ways the Byzantine Empire influenced later civilizations, including Russia.

51. ## Statistics

During the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run.In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to

52. ## Math

How do we express this in interval notation? x < 0 or 7 < x < 9

53. ## history.

Explain how this involvement impacted the U.S. political climate of the 1950s. Explain how the U.S. became involved in the politics of Southeast Asia.

54. ## Chem

I need to find the Kb of Analine. I've been told the ph is 8.81 and that the concentration of the solution is 0.1 mol/L. What would be the equation I'm working with :S ?

55. ## marine science

what is the primary consumer that is in the waters off the coast of Peru. I need to know the name and I need to find a picture of it.

56. ## algebra

Solve by factoring x^2 -2x -24=0

57. ## HSM 240

I need help to develop documentation for human resources professionals to manage a specific employment position.

58. ## Accounting

If a business pays its expenses immediately can they still be accrual basis?

59. ## math

For this problem, 5/x=9/x+8, I came up with 10. Is this the correct answer?

60. ## Data Analysis Help

4. Cells must be __________ and the sheet protected to prevent edits being made to the data. locked secured formatted values 5. To print column and row headings on all pages, set the options in the __________ command in the Page Setup group. Highlight Set

61. ## Math

P1V1/T1=P2V2/T2 combined gas law 1.0atm*0.50L/298K=5.0atm*0.50L/T2 Can you help me to go from this step to the solution?

This is my personal reflective essay. Please fix any mistakes or awkward phrases ASAP My body and my mind became lighter than air around me, as I threw myself on a couch where my back enjoyed being at. Released from the monstrous term of school, I felt

63. ## HIST 108

Thank you for your help :)