Questions Asked on
July 18, 2009

  1. trig

    how can you confirm the identity cos^4x = (1/8)(3+ 4cos2x+ cos4x) and sin4x = (4sinxcosx)(2cos^2x-1)

    asked by Sarah Kim
  2. macroeconomics

    The fact that a society's production possibilities curve is bowed out or concave to the origin of a graph demonstrates the law of?

    asked by steven Sanchez
  3. English

    1. How much gas do you need? (What does gase mean? Just gas or gasoline?) 2. I ate a piece of watermelon. 3. I ate two pieces of watermelon. 4. I ate a piece of watermelons. 5. I ate two pieces of watermelons. (Which ones are correct?)

    asked by John
  4. math

    all positive integers, one after another, are written in a spiral way: 7,8,9,10 6,1,2,11 5,4,3,12 ...,15,14,13 where does the number 2009 appear with respect to 1/ FOR EXAMPLE, 12 APPEARS one unit down and two units to the right of 1

    asked by m
  5. SCI 275

    Urbanization, Describe environmental benefits and challenges of urbanization; describe two 1996 Dubai award winners

    asked by C
  6. Communication Theory

    Professor Nostradamus conducted an empirical or observed communications study in his laboratory where he convincingly found a connection between two variables. The link concluded that Variable “X” always increased when the subject was exposed to

    asked by Audrey
  7. question

    Would broadleaf trees/plants fare well in the desert region? if so why r why not? And what are some adaptations specific to desert species?

    asked by Ms.Byrd
  8. mathematics

    for all values of X for which of the following is defined, find th value of cot^2(X)- csc^2(X)

    asked by matthew
  9. ecology

    In which of the following situations will clothes dry fastest when hung outside? a- cool day with high relative humidity. b- cool day with low relative humidity. c- warm day with relative humidity between 50 and 60 percent d- hot day with high relative

    asked by ivonne hurtado
  10. ecology

    An air conditioner lowers the temperature of the surrounding air. water condensed from the air is most likely to run out of the bottom water hose of a automobile air condition when the air entering the air conditioner. a- contains dust and pollen b- is

    asked by ivonne hurtado
  11. mathematics

    sinÈ= 1/4 and ð/4

    asked by matthew
  12. math

    if f(x)=3tan(x)+2 and, find f(ð/3)

    asked by matthew
  13. math

    if f(x)=cos(5x) find f(ð/4)

    asked by matthew
  14. statistics

    Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24- hour cycle of sleeping and walking- even if they are not exposed to the usual pattern

    asked by Jerry
  15. sattistics

    Twenty students randomly assigned to an experimental group receive an instructional program: 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test(with an estimated

    asked by Jerry
  16. statistics

    Do students at various colleges differ in how sociable they are? Twenty-Five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of the time they spent socializing each day with other

    asked by Jerry
  17. statistics

    Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test(high scores mean more anxiety) The scores are as follows.

    asked by Jerry
  18. comm 220

    Inthe 1941 speech Citizen Kane what are the arguments and counter arguments

    asked by angie
  19. algebra

    write interval notation for the set{|-3>x>-5}

    asked by Dolores
  20. computer information systems

    What did you learn from this course that is new and helpful to you? How will you use that information in the future? what useful advice could you provide someone based on what you have learned?

    asked by toya
  21. Algebra

    thank you so much i had it right. i need help with this one too. i don't understand it. solve. -7/2x=-9/4 the solution set is {x|x__ __} (Simplify your answer.Type an inequality symbol;they type an integer or a fraction.)

    asked by Dolores
  22. Algebra

    suppose you are at the gas station filing your tank with gas. the function C(g) represents the cost C of filling up the gas tank with g gallons give the equation: C(g)=3.03(g) A)what does the number 3.03 represent? B)find C(2) C)find C (9) D) for the

    asked by Patty G
  23. algebra

    The linear equation y=0.15x+0.79 represents an estimate of the average cost of gas for year x starting in 1997. the year 1997 would be represented by x=1, for example, as it is the first year in the study. similarly, 2005 would be year 9, or x=9 A) what

    asked by Patty G
  24. algebra

    the linear equation y=0.15x+0.79 A)what year would be represented by x=4? B)What x-value represents the year 20018? C)what is the slope (or rate of change) of this equation? D)what is the y-intercept?

    asked by Patty G
  25. math

    examine the rise in gasoline prices from 1997 to 2006. the price of regular unleaded gasoline in january 1997 was $1.26 and in january 2006 the price of regular unleaded gasoline was $2.31 (bureau of labor statistics,2006) use the coordinates (1997,1.26)

    asked by joe
  26. Algebra

    Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a)The sales representative informs you that there are two floor plans still available, and that there are a total of 56

    asked by Dolores
  27. algebra

    Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? 4/5=x/445 5x=1780 x=356 please check if completed right

    asked by Sandra
  28. Grammar

    Are the following sentences punctuated correctly? Against medical advice, the patient left the hospital. He does not, I believe, require antibiotics. There is no history of nocturia hematuria frequency or urgency.

    asked by Austin
  29. Grammar

    Are the following sentences punctuated correctly? The patient’s mother, despite multiple attempts, was unable to be reached. His unusual contradictory explanation requires a psychiatric workup. Before we begin surgery he needs to be seen by the

    asked by Austin
  30. Grammar

    Are the following sentences punctuated correctly? Well, I never saw him! The patient has, in the past had a problem with alcohol. As there is no contraindication, a biopsy was scheduled.

    asked by Austin
  31. Grammar

    Are the following sentences punctuated correctly? The child, as one would expect, is unable to provide a complete history. Additionally, sagittal images were performed. Above the region of the lump, there is a cluster of microcalcifications.

    asked by Austin
  32. Algebra

    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 only have 38

    asked by Dolores
  33. Statistics

    If one of the 991 people is randomly selected, find the probability that the person is a man or a heavy smpker

    asked by Eduardo Ortega
  34. algebra

    You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

    asked by Dolores
  35. Statistics

    The table below shows the smoking habits of a group of asthma sufferers NS OS RS HS T M 358 32 90 48 528 W 307 35 77 44 463 T 665 67 167 92 991 If one of the 991 people is randomly selected, find the probability that the person is a man or a heavy smpker

    asked by Eduardo Ortega
  36. math am i correct

    In the number 854, 263, 189, what number tells the number of million is the answer is 54?

    asked by scooby91320002
  37. Psy 230 Theories of Personality

    Use Appendix b to list at least five of the events or major concepts in each of the three historic periods of personality psychology.

    asked by Alan
  38. math

    soybean meal is 12% protein; cornmeal is 6% protein.How many pounds of each should be mixed together in order to get 240-lb mixture that is 10% protein% How many pounds of the cornmeal should be in the mixture?_____pounds How many pounds of the soybeans

    asked by joe
  39. GEN

    These are my educational goals.. Use the Education I get from this to help me become a better teacher. Ask any questions I may have. What types of techniques did you use to set educational goals?

    asked by troyer02
  40. Gen

    I have this so far..? The techniques I will use to manage my time so that I can achieve my goals. Following my schedule and move on and upward. What kind of techniques will you use to manage time so that you can achieve your goals?

    asked by troyer02
  41. GEN

    What kind of techniques will you use to manage the stress that you may encounter in achieving your goals?

    asked by troyer02
  42. Algebra

    Solve 1.3(7x+4)=1.8(x+5) choose the correct solution set below A){x|x¡Ü84/101} B){x|x¡Ü-84/101} C){x|x¡Ý-84/101} D){x|x¡Ý84/101}

    asked by Patty G
  43. biology

    Which bacterial plates control for: 1) If the E. coli cells were transferred correctly: 2) If the E. coli cells can grow on LB: 3) If the Ampicillin is working correctly: 4) If the “stock” E. coli cells were contaminated with plasmid: Possible choices

    asked by Jenn
  44. Chemistry

    Which of the following mixtures will result in the formation of a buffer solution if all solutions are 1.0 M before mixing? i) 100. mL of NH3(aq) and 100. mL of HCl(aq). ii) 100. mL of NH3(aq) and 50. mL of HCl(aq). iii) 100. mL of NH3(aq) and 50. mL

    asked by Paul
  45. Chemistry

    Please help me! Thank-you! Calculate the concentration, in moles per liter, of a fertilizer solution if 500.0 mL of the solution contains 1.84 g of copper sulphate, CuSO4.

    asked by Sydney
  46. Grammar

    Are the following sentences punctuated correctly? The lung exam showed no rales, rhonchi or wheezes. She has a history of cough, not productive, that keeps her awake at night. The patient is a well-developed, well-nourished, badly sunburned cantankerous

    asked by Rob
  47. Grammar

    Are the following sentences punctuated correctly? Although, there is no definite evidence of malignancy, a biopsy should still be performed. He is incidentally, allergic to contrast material. Surgery, is not in my opinion indicated at this time.

    asked by Rob
  48. biology

    what is the action called in which the smooth muscle of the artery contracts? I can't find it in the book. Any help is appreciated!

    asked by Anonymous
  49. Business Research

    What are Characteristics of Good Research?

    asked by Linda
  50. science

    what is your approach to teaching? How does inquiry-based learning differ from the traditional model, with the teacher as the source of all instruction? Provide examples of each style.

    asked by claudia
  51. AED 203

    what is your approach to teaching? How does inquiry-based learning differ from the traditional model, with the teacher as the source of all instruction? Provide examples of each style.

    asked by claudia
  52. algebra

    (25b-2)-8(3b+1=-5

    asked by evelyn
  53. sociology

    i'm learning about norms and values. (norms=shared rules of conduct and behavior that inform people how to act or behave in specific situations. There are two types of norms: folkways and mores. Folkways are norms that do not have great moral significance,

    asked by y912f
  54. english

    what are some advantages of being your own editor and looking at your paper with a critical eye? What do you gain from this as a writer? How can your essay benefit from this?

    asked by diamond
  55. sociology

    i'm reading a short excerpt from C.Wright Mills book The Sociological Imagination, and i have no idea when he writes this: No social study has completed its intellectual journey until it comes back to the problems of biography, of history, and of their

    asked by y912f
  56. trig

    I have to solve for side B of a right triangle. Side A is the square root of (25-x^2) and the hypotenuse is 5. when i do A^2 + B^2 = C^2 then at the end i end up with b^2 = -x^2 but the square root of a negative number is not possible so what am i doing

    asked by Anonymous
  57. horoscopes

    on which site can you find out about all the new horoscopes 2009?

    asked by Annika
  58. Data Analysis

    I have a mathematical problem that I don't know how to solve in Excel, where might I go for help?

    asked by Bryan
  59. algebra

    One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate

    asked by bev
  60. trig

    how can i find all the exact solutions to the equation : 2cos^2x + 3sinx = 3 the solutions have to be between [0,2pi)

    asked by Joe
  61. health care:Claims Preparation I: Clean Bills of H

    Assignment: Understanding the Patient Intake Process „h Resource: Figure 3.1 on p. 75 of Medical Insurance „h Due Date: Day 7 [Individual forum] „h Write a 750- to 1,050-word essay discussing strategies to improve patient intake efficiency not

    asked by kinwa
  62. math

    You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

    asked by Bertha
  63. Math

    soybean meal is 12% protein; cornmeal is 6% protein.How many pounds of each should be mixed together in order to get 240-lb mixture that is 10% protein% How many pounds of the cornmeal should be in the mixture?_____pounds How many pounds of the soybeans

    asked by Carlos