Questions Asked on
August 5, 2009

  1. Balance each of the following redox reactions occu

    Balance each of the following redox reactions occurring in acidic solution a) SO32- (s) +MNO4- ---> SO42- +Mn2+ b) S2O32-+ Cl2 ---> SO42-+Cl-

    asked by Sunshine
  2. mathss

    a combination lock has three dials, each numbered from 1-9. each combination consists of 3 digits, one from each dial. how many different combinations are possible? please help me i tried this for 10 mins i cant figure it out. thanks

    asked by Julia Ten
  3. Algebra

    Word problem: Radiator in a certain make needs to contain 50 liters of 40% antifreeze. The radiator now contains 50 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?

    asked by coried
  4. English

    The following sentence indicates what kind of bias? Most of the democracies exhibited lethargy and shortsightedness in the face of fascist aggression. a)a postive bias b)There is no bias. c)a negative bias d)an aggressive bias

    asked by Help
  5. Organic Chemistry

    To which class of compounds might the following molecule belong? C3H6O I am guessing, but is it ketone class? Can someone check for me.

    asked by Soojung
  6. Chemistry

    Calculate the Ph of an aqueous solution that is 3.00% KOH, by mass, and has a density of 1.0242 g/ml.

    asked by Anonymous
  7. history

    Which of the following conditions during the industrial revolution supported karl marxs ideas? 1. there were a few wealthy business people while the majority of people were poor 2. more material goods were available 3. people were no longer threatened by

    asked by Warda
  8. maths

    ques1)43% of 50, 14%of30, 23%of71 ques2)18 children in a class have brown eyes- that is 60%of the class with brown eyes. How many children are there in total in the class.

    asked by george
  9. math

    Suppose that you are the chief of maintenance for a large metropolitan hospital. You are trying to decide from what company to buy your next 5-year supply of light bulbs. Would you look to the company whose light bulbs have the greatest mean or the

    asked by thomas
  10. Chemistry

    If 535 Ml of gaseous HCL, at 26.5 degrees Celsius and 747mm Hg, is dissolved in enough water to prepare 625 ml of solution, what is the PH of the solution?

    asked by ChemHurts
  11. statistics

    A maintenance supervisor is comparing the standard version of an instructional booklet with one that has been claimed to be superior. An experiment is conducted in which 26 technicians are divided into two groups, provided with one of the booklets, then

    asked by Jeniffer
  12. American education

    You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3 Native American students, and

    asked by diamond
  13. Algebra

    Word problem: Ken and Kara are 29 miles apart on a calm lake paddling towards each other. Ken paddles at 3 miles per hour. Kara paddles at 6 miles per hour. How long will it take them to meet?

    asked by coried
  14. math

    a clothing store sells 12 different colors of a shirt and 5 different colors of a pants. if Alex wants to buy one of these shirts and one pair of these pants, how many different choices of a shirts and pants purchase does he have? please help

    asked by Jason P
  15. Chem

    How many oxygen atoms do you have in 2.00 grams of calcium phosphate? Do you use avogadro's number and how? How many Ca^2+ ions do you have in 2.00 grams of calcium phosphate? Any help would be greatly appreciated.

    asked by Josh
  16. Math

    Can someone please explain this problem? Consider the experiments involving rolling a single die once. Give the probabilities of the events described. Suppose that an experiment has five separate mutually exclusive outcomes: A,B,C,D and E. If the sample

    asked by B.B.
  17. CHem

    How many oxygen atoms do you have in 2.00 grams of calcium phosphate? My answer is 3.9*10^22 by multiplying avogadros number by (2/31) Am I close? How many Ca^2+ ions do you have in 2.00 grams of calcium phosphate? I am getting 39, am i close? since there

    asked by Josh
  18. history

    What is the difference between utilitarianism and socialism? A: Socialism emphasizes individual freedom, and utilitarianism condemns industrial capitalism. B: Socialism states that government should regulate the means of production, and utilitarianism

    asked by Warda
  19. English

    The following sentence indicates what kind of bias: The best art can cut through our tendency to experience life with complacency and prejudgment? a)There is no bias. b)a positive bias c)a partly positive and partly negative bias d)a negative bias

    asked by Help
  20. Math

    A ring has an outsdie diameter of 3.85cm and an inside diameter of 2.63cm.Calculate its area?

    asked by Keisha
  21. Anatomy.Physiology

    Where are keratinized cells found in the body? a. Sweat and sebaceous glands b. hair and nails (my guess) c. capillaries and nerve fibers d. the subcutaneous layer of the skin

    asked by Cheryl
  22. econ

    If i were to do a simple supply and demand curve for subprime mortagages I know I would do the supply as increasing but what happens to the demand would I say the demand for these mortagages also increased causing the price to say the same I feel as though

    asked by sonia
  23. MATH

    need help with 2 word problems the instructions on a package of fertilizer say to mix 1 spoonful to 9 pints of water. How many cups would this make? How many quarts? how many gallons? In an 880 relay race, 4 runners on a team each run 880 yards. how many

    asked by DEBBIE
  24. math

    For a set of scores, will the interquartile range always be less than the range? Explain your answer with an example.

    asked by thomas
  25. Physics

    There is a flash of lighting that gives out a 25 C of negative charge from cloud to ground. Determine the amount of electrons involved? Do i use the formula F=qE I know one coulomb is 1.6 * 10 ^-19

    asked by Josh
  26. Math

    A hollow shaft has a cross sectional area of 8.68 cm^2.If its inside diameter is 0.75cm, calculate its outside diameter.

    asked by Keisha
  27. Math

    a)in how many different ways can 8 exam papers be arranged in a line so that the best and worst papers are not together? b)in how many ways can 9 balls be divided equally among 3 students? c)There are 10 true-false questions. By how many ways can they be

    asked by Aayush
  28. Math 213 Elementary Math

    Use the definition of less than to show each of the following: a. 2 < 4 b. 3 < 100 c. 0 < 3

    asked by Shay
  29. compund interest

    Payments of $1800 and $2400 weere made on a $10,000 variable-rate loan 18 and 30 months after the date of the loan. The interest rate was 11.5% compounded semi-annually for the first two years and 10.74% compounded monthly thereafter. What amount was owed

    asked by thara
  30. math

    if i had 20 cookies i gave to away multiplied by 7 got 12 token away then split it in half and gave the other half to my friend how many cookies would i have?

    asked by layla
  31. Maths

    on a graph of 2x^2 -7+5 use equations to find the vertex point ,roots and asis of symmetry

    asked by Anonymous
  32. Algebra

    I need the horizontal asymptote for f(x) = (x)/(x^2 -4) Can someone please show me. I already figured out that The y-intercept is 0. The vertical asymptotes are x = -2, x = 2 So now all i need is horizontal asymptote for f(x) = (x)/(x^2 -4)

    asked by Angie
  33. College Algebra

    3^(2x) = 14

    asked by Angela
  34. College Algebra

    Solve for x: 3^(2x)=14 We've gotten: 2x=log(subscript 3)14=2.4 Is this two answers, or what?

    asked by Angela
  35. art

    Assignment Type: Individual Project Deliverable Length: 500-800 words (not including references) Points Possible: 125 Due Date: 8/16/2009 11:59:59 PM CT Choose three (3) works of art from three artists from the Baroque period through the Postmodern era.

    asked by Sondra
  36. history

    Each of the following was an aspect of the Old Age, which greatly appealed to conservatives in the early 1800s, Except: A. the desire for royal families to be restored to the thrones they occupied when Napoleon swept across Europe. B. the support of an

    asked by Warda
  37. Basic math skills with geometry (6th ed.)

    Place the following set of numbers in ascending order. 25, -13, 8, -2, 13, 3, 18 The answers are either. (A) -13, -2, 3, 13, 8, 3, 18 (B) 25, 18, 13, 8, 3, -2, -13 (C) -13, 3, -2, 8, 13, 18, 25 (C) -13, -2, 3, 8, 13, 18, 25 I think the answer could be (D)

    asked by GODSCHILD
  38. history

    What event sparked widespread rebellion in Latin America and provided Latin America with the opportunity to finally reject foreign domination and demand independence? A. Napoleon's invasion of Spain B. the arrival of European Christain missionaries. C. an

    asked by Warda
  39. math

    Averageville is considering levying a flat tax on its citizens. To get an idea of the amount of revenue this tax would raise, the city council instructed the city staff to make a census of households to determine the “average” household income. The

    asked by jessica
  40. Mathematics

    how many positive four- digit integers have 3 as their tens digit and 5 or 9 as their ones digit? i don't know where to begin

    asked by jessica meyz
  41. reading

    I need six quotes that descibe the main character anita de la torre on before we were free novel by julia alvarez please thanks

    asked by hector gonzalez
  42. Anatomy/Physiology

    Structurally, what is the difference between the dermis and epidermis? A. The epidermis is thicker. B. The dermis contains more types of tissue. C. The dermis is mostly of dead skin cells. D. The epidermis consists of mostly adipose cells. I'm thinking b

    asked by Cheryl
  43. math

    If L is the lenth of an arc, r is the radius and degree is the angle subtended by the arc, find the angle when l=9.4cm r=4.5cm

    asked by Christina
  44. vectors

    ok theres a graph. its like this. basically theres a ray coming from the origin going up and left diagonally at about a 30 degree angle. the question says "for the following vectors draw the component vectors along the x and y axis". what do i do?!

    asked by jawn
  45. sociology

    How much change do you believe has taken place in the racial attitudes of white Southerners in recent decades? What are the primary factors that have produced this change?

    asked by paula
  46. business

    In a physicians office performing billing if the guidelines haven't been followed accurately in completing claim form what happens if not corrected?

    asked by Connie
  47. HRM

    Hello, and thank you for all of your help! :) I am supposed to "discuss how technology is used in customer service organization." However, I am completly lost as to how to even start a paper like this. Can you please help me?

    asked by Marie
  48. fiancial accounting

    Palomar Paper Products purchased land in 1990 for $15,000 cash. The company has held the land since that time. In 2008 Palomar purchased another tract of land for $15,000 cash. Assume that prices in general increases by 60 percent from 1990 to 2008. a.

    asked by wanda
  49. econ

    I was wondering if someone had to do a supply and demand curve for the subprime mortgages would they just show how the supply of houses increased causing the demand and prices to drop?

    asked by sonia
  50. Algebra

    the clarke family went sailing on a lake. Their boat averaged 6 km per hour. the Rourke family took their outboard runabout for a trip on the lake for the same amount of time. Their boat averaged 14 km per hour. The Rourke family traveled 20 km farther

    asked by Missy
  51. MaTh

    a camp assigns a group of 3 counselors to each activity center. the camp has 3 regular counselors and 4 junior counselors. If EACH GROUP CONSISTS OF 1 REGULAR AND 2 JUNIOR COUNSELORS, how many different groups are possible? i think its 36? is that right?

    asked by jonathan r
  52. Algebra

    Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x.

    asked by Pamela
  53. Math 213 Elementary Math

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by Shay
  54. reading

    what is the central problem the main character has? What is one event that leads to the problem? Island of the blue dolphins by scott o'dell novel

    asked by nashali rivera
  55. Math

    Is this right sue?? the radii is 35mm so the circumference = 22.0 mm

    asked by Keisha
  56. anatomy/physiology.

    which term means blood in the chest? a. hemothorax b. aerothorax c. pneumothorax d. gastrothorax

    asked by Cheryl
  57. statistics

    Summary data for two independent samples are p©û = 0.31, n©û = 400, and p©ü = 0.38, n©ü = 500. Use the 0.05 level of significance in testing H₀ : ¢³©û= ¢³©ü versus H©û : ¢³©û ¡Á ¢³©ü.

    asked by Jeniffer
  58. Math 213 Elementary Math

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by Shay
  59. Math 213 Elementary Math

    2. Let U = {x x is a female} A = {x x is a mathematician} B = {x x owns a pickup} C = {x x owns a dog}

    asked by Shay
  60. Psychology

    How is organizational psychology used in the NYC Dept. of Education?

    asked by Linda
  61. random

    is there a good website where i can purchase educational or any sort of videos for pre-k and kindergarten kids to watch ? please help me thanks

    asked by y912f
  62. random

    hi, can someone pllease help me by giving me some good WEBSITES that has songs or rhymes to teach 4-5 year olds alphabets, numbers, or anything educational. something that they can listen to everyday until they know it. thank you so much

    asked by y912f
  63. Algebra Help

    Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x. Does this work? Thanks! Exponential form is 2^-3=1/8 To Check: 2^-3=1/2^3=1/8

    asked by Pamela
  64. accounting

    If you were considering extending credit to someone, what are some of the considerations you would recognize?

    asked by sandra
  65. Math

    If P(A)=2/3, P(B) = 1/6, and P (A and B)= 0, what can you say about P(A or B)?

    asked by Zahora
  66. Social Science

    people have the right to refuse treatments in the United States of America I know this... but in the United States of America does a kid have the right to refuse treatment even if the rightful guardian of the kid insists that the kid receives treatment by

    asked by Social Science
  67. Algebra 2

    S = lw +2h +lh, solve for w

    asked by GC
  68. science

    whatcelestial object is in the center of the solar system

    asked by keisha benson
  69. 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?

    asked by Irving
  70. math

    how do u work out this problem wx2

    asked by nicole
  71. Algebra

    How do I put (x)/(x^2-4) in standard form? Thank you!

    asked by Alicia
  72. math

    Suppose that a newspaper published the following in a boxed corner of the want ads section: Should handgun control be abolished? You can call the shots if you participate in our poll tonight. If yes, call 1-900-For-Guns. If no, call 1-900-Ban-Guns. You

    asked by jessica
  73. project management

    I to create a proposal for a customer

    asked by pat
  74. Business Law

    What will be the long term impact of electronic contracting on the nations business?

    asked by Renee
  75. physics

    differentiate mathematically, between resistances in series and in parrallel

    asked by matrixschool 2
  76. math

    How do i find the circumference of a circle whose radii is 3.5mm??

    asked by Keisha
  77. Math (Sue)

    3.142 (1.926^2 - 1.315^2) 3.142 (3.71 - 1.73) 3.142 (1.98) Area= 6.2cm^2

    asked by Keisha
  78. math

    2T+2(1-2)=

    asked by michelle
  79. math

    2T+2(1-2T)=

    asked by michelle
  80. math

    -4(3y-10)+2(2y+5)=

    asked by michelle
  81. math

    -2(t-2)-3=

    asked by michelle
  82. Math

    A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given the one die is showing a 5?

    asked by Patti
  83. Algebra

    Factor: 4x^2-12x+9

    asked by Jerry
  84. Math 213 Elementary Math

    1. List all the subsets of {2, o, t}.

    asked by Shay
  85. History

    How did the North, South, and West contributed to the Civil War outcome?

    asked by Karl2472