Most popular questions and responses by Dre
  1. chemistry

    Build the orbital diagram for the ion most likely formed by phosphorus.

    asked on November 10, 2008
  2. Chemistry

    A 334-mL cylinder for use in chemistry lectures contains 5.225 g of helium at 23 C. How many grams of helium must be releasedto reduce the pressure to 75 atm assuming ideal gas behavior?

    asked on January 23, 2018
  3. statistics

    Suppose only 75% of all drivers in a certain state regularly wear aseat belt. A random sample of 500 drivers is selected. What is theprobability that a). Between 360 and 400 (inclusive) of the drivers in the sampleregularly wear a seat belt? b). Fewer than

    asked on October 21, 2010
  4. General Chemistry

    So I've been working on this online homework problem and got it wrong 8 times. I need help. Here's the question: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing transition-metal complexes in water. If pK_b1

    asked on July 25, 2011
  5. statistics

    Suppose that the proportions of blood phenotypes in a particular population are a follows: A = .42 B = .10 AB = .04 O = .44 Assuming that the phenotypes of two randomly selected indiviuals are independent of one another, what is the probablility that both

    asked on September 20, 2010
  6. Film

    In the film, "A Face in the Crowd", what is Elia Kazan trying to say about the commodification of these populist ideas and their use as a tool in mass media?

    asked on September 29, 2010
  7. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 3.The mean systolic blood pressure of normal adults is 120 millimeters of mercury (mm Hg) and the standard deviation is 5.6. Assume that the variable is normally distributed. a.If an

    asked on February 27, 2013
  8. geometry

    find the measure of an anGle if five times the measure of its complement is 24 derees less than twice the measure of its supplement. What is the equation? What is the measure?

    asked on September 20, 2010
  9. chemistry

    Estimate the volume of one sodium atom using its metallic radius of 186pm please help

    asked on November 10, 2008


    asked on December 12, 2016
  11. Ap Chemisty

    How many milliliters of an aqueous solution of 0.172 M silver fluoride is needed to obtain 12.1 grams of the salt?

    asked on November 27, 2016
  12. Math

    A circular plate has a diameter of 6 inches. A pancake in the center of the plate has a radius of 2 inches. How much of the plate is not covered? Use pi as 3.14.

    asked on May 18, 2015
  13. Astronomy

    Which of the following distance measuring techniques works to measure distances to other galaxies beyond the Milky Way? CHECK ALL THAT APPLY A) Hubble's Law B) main sequence stars C) Cepheid variable stars D) parallax E) radar ranging F) galaxy rotation G)

    asked on November 30, 2010
  14. Science

    So a crystallization experiment was performed using an impure sample of biphenly, it weights 0.5g and contains about 5% impurity. Benzene is used as the solvent but after crystallization only about 0.02g were found. If everything was performed correctly,

    asked on June 6, 2007
  15. physics

    What average force is required to stop a 920kg car in 7.7s if the car is traveling at 83km/h ?

    asked on February 15, 2015
  16. social studies

    unscramble ARTIOTINM

    asked on November 1, 2011
  17. business project management

    what is a good website where I can go and a sample of a short proposal for a business project? http://sbinformation.about.com/cs/bizlettersamples/a/proposal.htm

    asked on June 6, 2007
  18. Elementry Statistics

    The census figures show that the average income for a family in a rural region is approximately $34,860 per year. A random sample has a mean income of $33,566 per year, with a standard deviation of $1,245. At a sig. level of .0.01 is there enough evidence

    asked on September 14, 2014
  19. Entrepreneurship

    You belong to a small business owner networking group. The main purpose of the group is to share leads, but occasionally, you discuss global issues. In addition, the group has an online discussion forum. Inc. magazine claims, "Entrepreneurship is more

    asked on August 27, 2008
  20. physics

    Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured

    asked on June 18, 2013
  21. History

    What did Robespierre mean when he stated "Pity is treason" ?

    asked on November 17, 2009
  22. project management

    Briefly describe the first five points of the project scope checklist in relation to your project what are the project objective? List the diliverables Identify the Milestones of the project List the technical requirements what are the limits and

    asked on June 15, 2007
  23. biochemistry

    Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mole).

    asked on January 17, 2013
  24. college algerbra

    Find the Slope and Y-Intersection of a Line that has the following equation. 3Y = 2X - 8

    asked on April 16, 2009
  25. Math/trig

    Solve the equation in the given Domain: 1-cos theta/ sin theta = sqr3, 0degrees

    asked on November 13, 2011
  26. Astronomy

    The hottest stars have surface temperatures of about 40,000 K. At what wavelength do they emit the most radiation? 7.2 x 10E-6 cm 2.5 x 10E-4 cm 4.0 x 10E-2 cm 1.2 x 10E2 cm 1.4 x 10E6 cm

    asked on October 4, 2010
  27. Astronomy

    A photon of which color of light carries the least energy. Red Yellow Green Blue All photons have the same energy.

    asked on September 21, 2010
  28. Astronomy

    Imagine that the Earth's axis were tilted parallel to the ecliptic plan like that of the planet Uranus. Describe how the seasons would be different in this scenario than what we currently experience.

    asked on September 2, 2010
  29. finance

    Sony $4.50 preferred is selling for $65.50. The preferred dividend is non growing. What is the required return on Sony preferred stock?

    asked on May 3, 2010
  30. internationa business

    I need to know where can I find information about nike organization. Are Nike production facilites centralized or edcentralized?, Does Nike standardize products or adapt them for different markets?, Thank you for using the Jiskha Homework Help Forum. Here

    asked on January 30, 2007
  31. Math

    Ratio 132 to89

    asked on August 24, 2018
  32. economics

    Prepare a two- to three-page analysis by answering the questions below. Be sure to cite your references using APA format. What is nominal GDP? What is real GDP? What is included in each? Why are these measures important? What do they tell us? What was GDP

    asked on October 14, 2012
  33. accounting

    compute the working capital, current ratio, and quick ratio after each transaction for boole company

    asked on February 20, 2012
  34. art

    Artistic in the Baroque, Rococo, Neoclassicism, and Romanticism eras: with social conditions Since this is not my area of expertise, I searched Google under the key words "artistic Baroque 'social conditions'" to get these possible sources: (Broken Link

    asked on January 25, 2007
  35. Optimization

    min 2x+y subject to: x+y+z=1 and y^2+z^2=4 Any help would greatly be apprecaited. y^2+z^2=4 ---> put y = 2 cos(theta) and z = 2 sin(theta) x+y+z=1 ----> x = 1-2(cos(theta) + sin(theta)) 2x + y = 2 - 2 cos(theta) - 4 sin(theta) It's not difficult to find

    asked on December 7, 2006
  36. Algebra

    Solve. x+2/8 + 1 = 4x/2

    asked on June 2, 2015
  37. chemistry

    Besides actin and myosin, what is another example of a Contractile Protein? If you could tell me about its function too, that would help too. Thanks

    asked on March 28, 2011
  38. Int'l business

    how a totalitarian regime would impact a corporation's ethics, or would it?

    asked on August 26, 2008
  39. Project Management

    I need a shor proposal for a business project of any kind Try this site for guidelines. http://www.captureplanning.com/!hc_how_to_write_a_proposal.cfm?

    asked on February 16, 2007
  40. Matrix

    How do you solve for this matrix. X*X^t=0? What matrix times its tranpose is zero? If we use the usual notation: A_{i,j} for the element at the i-th row and j-th column then, if we put: A = X X^(T) ----> A_{i,j} = X_{i,k}[X^(T)]_{k,j} = X_{i,k}X_{j,k} here

    asked on December 7, 2006
  41. Wilson

    How do i write a profit of $40 as an integer

    asked on September 15, 2016
  42. Algebra

    If the study had included these data, would this change the model relating average body weight and average pulse rate. -----Avg Body Weight----Avg Pulse Rate cat--------1-----------------250 dog--------2.5---------------265

    asked on April 7, 2016
  43. International business

    what are china's terms of trade

    asked on January 23, 2007
  44. international business

    Your organization is considering investion the philippines and you have been asked to give a presentation on this opportunity. In the presentation, you need to address the following: Investigate the economey of the philippiness and its neighbor, In what

    asked on January 18, 2007
  45. Math

    20(B- 15) FOR B = 19

    asked on July 18, 2015
  46. algebra 2

    what is the answer of -1(x-6)(x+8)

    asked on March 21, 2013
  47. organic chemistry

    Looking at a diagram of cortisone, where are all the stereocenters? I know there are 6 of them, I just don't know where they are in the structure. Sorry I can't provide a diagram, but I'm sure they can be found online.

    asked on February 7, 2011
  48. Astronomy

    How would I compare the orbital period of two stars knowing their distance apart in AU and their solar masses?

    asked on October 19, 2010
  49. Int'l Business

    Small companies typically have difficulty competing against large multinationals when their governments take part in regional trade blocs. What could governments do to help their small companies compete after the formation of such blocs? Could I get help

    asked on September 10, 2008
  50. project menagement

    Put together a proposal for the customer that includes the following: Briefly describe the first five points of the project scope checklist in relation to the project: what are the project objectives:? list the deliverables. identify the milestones of the

    asked on April 8, 2007
  51. Science

    Assuming a warm front is moving into the area, there is a stignant (non moving) cold air mass around New York, what type of precipitation might be expect? How long might it last?

    asked on May 27, 2015
  52. Astronomy

    Do people wear seatbelts to protect themselves from speed or acceleration?

    asked on September 14, 2010
  1. Pre-Calc

    Answer is actually 1.04257

    posted on March 26, 2018
  2. algebra


    posted on March 11, 2017
  3. Physics


    posted on June 14, 2016
  4. english

    Which of the following is Not critical when developing questions for the interview

    posted on May 11, 2016
  5. Algebra

    Is the answer 82.5 or 91 percent?

    posted on April 7, 2016
  6. Algebra

    HELP !!

    posted on April 7, 2016
  7. Algebraic expression

    nine more than the product of 18 and jose's score

    posted on November 16, 2015
  8. programming

    Wow, I have this assignment too and I can't seem to crack it either. PLEASE HELP! :(

    posted on September 21, 2014
  9. english

    You need to capitalize John Grisham as it is a NAME of a person. Next you must capitalize "The Street Lawyer" because it is the NAME of a book

    posted on April 24, 2013
  10. algebra 2

    what is the answer of -1(x-6)(x+8) as a polynomial in descending order

    posted on March 21, 2013
  11. organic chemistry

    Well I found the answer finally. They were where all the bold and dashed wedges were on the structure.

    posted on February 7, 2011
  12. check math question

    actually that's wrong.. that will give you a reflection in the x-axis if you want a reflection in the y-axis you have to make the x in the exponent negitive. i believe the answer is y=5*2^((-x)-2)-5

    posted on November 29, 2010
  13. statistics

    now i don't know what to do frrom there

    posted on September 20, 2010
  14. college algebra

    1. The Safety Director of Honda USA took samples at random from the file of minor accidents and classified them according to the time the accident took place. The sample data is as follows: 8am to 9am 6 accidents 9am to 10 am 6 accidents 10am to 11 am 20

    posted on May 2, 2010
  15. chemistry

    thank you very much

    posted on November 10, 2008
  16. chemistry

    The molar mass of Na is 22.99g The density of solid sodium is 0.97g/cm^3 (22.99g/mol) / (0.97g/cm^3) = _____________ What are the units of the above value

    posted on November 10, 2008