Questions Asked on
July 27, 2013

  1. Chemistry

    need help to balance half reaction in basic solution IO3 to I2

    asked by Shana
  2. Math

    If you are given odds of 3 to 4 in favor of winning a bet, what is the probability of winning the bet?

    asked by Ted
  3. Math- probability

    Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.

    asked by Gina
  4. medical billing and coding

    This 35-year-old female patient has carcinoma of the upper-outer left breast. She had a lumpectomy performed and a sentinel lymph node biopsy of the axillary lymph node. The pathology report for the lymph node states no pathological change. What codes are

    asked by emtswife
  5. chemistry

    In an experiment, 6.700g of hydrogen sulfide is fully decomposed into its elements.If 0.396g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?

    asked by fatima
  6. Math (probability)

    Real Estate ads suggest that 50% of homes for sale have garages, 24% have swimming pools, and 11% have both. If a home for sale has a garage, what's the probability that it has a pool too? Write as a decimal.

    asked by Scott
  7. Math-probability

    A sporting goods store estmates that 20% of the students at a nearby university ski downhill and 15% ski cross country. Of those who ski downhill, 40% also ski cross country. What percentage of these students ski both down hill and cross country? Write as

    asked by Gina
  8. Psychology

    In their book The Bell Curve, Murray and Herrnstein supported their claim of intelligence differences between races and attributable to.

    asked by Maria
  9. Physics

    Q2_2: QUIZ 2, PROBLEM #2 The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded,

    asked by Harm
  10. mathematics

    Given the points A(-1;-1) ,B(2;5) ,C(-1;-5/2) and D( X;-4) andAB perpendicular to CD, determine the value of X

    asked by gail
  11. science

    In a serious accident, nuclear power plants reactor vessel cracks and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat the reactor's 2.5× 10 to the 5 power kg uranium core at rate of 120 Mega-Watts.

    asked by trina
  12. Calculus

    Solve the differential equation by using Laplace transforms. Find the particular solution that satisfies them of: y''+2y'+y =4e^(-t)

    asked by Elyse
  13. physics

    You hit a 0.2 kg golf ball up at 40o from the horizontal. It travels for 4.86 s and stops on an elevated green 10 m above its initial height traveling down at an angle of 35.4o below the horizontal. What is the total impulse on the golf ball when it hits

    asked by Anonymous
  14. math

    The base of an isosceles triangle is four less than the sum of the lengths of the legs. If the perimeter of the triangle is 44, find the length of the three sides of the triangle.[ Only an algebraic solution will be accepted ]

    asked by vincent
  15. uitm

    Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What is the molarity of this solution? (Assume a density of 1.01 g/mL.)

    asked by jan
  16. chemistry

    The kinetic energy of a rolling billiard ball is given by KE=1/2mv2. Suppose a 0.17-kg billiard ball is rolling down a pool table with an initial speed of 4.7m/s . As it travels, it loses some of its energy as heat. The ball slows down to 3.7m/s and then

    asked by meghan
  17. statistic/Psychology

    According to classical test theory if the observed variance of a test is 50 and the true variance is 40 what is the estimated reliability of the test? a. 0.40 b. 0.50 c.0.80 d. 0.90

    asked by Crystal
  18. mathematics

    Prove that the line PQ,with P(0;3) and Q(5;5),is parallel to the line 5y+5=2x

    asked by Lindokuhle
  19. Math

    A random sample was taken from Wyoming. Eighty percent of students reported that they like dogs, 64% reported they like cats, and 97% reported that they like dogs or cats. What percentage of students like both dogs and cats?

    asked by Tonya
  20. Math

    during the warranty period, 6% of their computers are returned because they have defective keyboards, 5% are returned because they have defective disk drives, and 1% are returned because both the keyboard and the disk drive are defective. What is the

    asked by Sarah
  21. geometry

    consider a circle of radius 1, and corresponding inscribed and circumscribed polygons with the number of sides n = 3, 4, 5, 6, and 8. A: For each n = 3, 4, 5, 6 & 8, what are the areas of the inscribed and circumscribed polygons with n sides?

    asked by james
  22. Elements of Structures MIT 2.02

    In this problem The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded, as

    asked by 11YearsOldMITStudent
  23. Calculus HELP!

    Use the fact that L{f'}=sF-f(0) to derive the formula for L{cosh at}

    asked by Sara
  24. math

    x^2+x(x-5)-x+7

    asked by babyc36
  25. math

    (x+5)(x-7)

    asked by babyc36
  26. chemistry

    a 35.6g sample of ethanol (c2h5oh) is burned a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0c and the heat capacity of the calorimeter is 23.3kj/c what is the value of enthalpyH reaction? the molar mass of

    asked by and6260
  27. COMPARISON/CONTRAST ESSAY-Please Proofread

    1. what are the type of comparison and contrast essay? 2. what are the ways to revise your paragraph in a comparison and contrast essay? 3. define of historical cause and effect essay? 4. comparison and contrast about pre-writing, drafting, revising,

    asked by Anonymous
  28. geometry

    consider a circle of radius 1, and corresponding inscribed and circumscribed polygons with the number of sides n = 3, 4, 5, 6, and 8. A: For each n = 3, 4, 5, 6 & 8, what are the areas of the inscribed and circumscribed polygons with n sides?

    asked by Rachel
  29. Math

    A 13 foot ladder is leaning against a vertical wall. The distance from the top of the ladder to the bottom of the wall is 7 feet longer than the distance from the bottom of the ladder to the bottom of the wall. Find how high the top of the ladder reacher

    asked by esmith
  30. Ehglish

    How would you analyze an audience for the topic: Should regulations for home schools be changed?

    asked by sara
  31. math

    The length of a side of a square is fifteen less than four times the length of a side of a second square. The perimeter of the two squares differ by 24 inches. Find in inches, the length of a side of the smaller square. [ Only an algebraic solution will be

    asked by vincent
  32. chemistry

    Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= -852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the

    asked by sharmaine
  33. math

    A storage shed is in the shape of a square. A builder increases the length of one side of the shed by three feet and decreases the length of an adjacent side by two feet. The shed is now a rectangle with a perimeter of 70 feet. What is the measure of a

    asked by vincent
  34. chemistry

    Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= -852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the

    asked by sharmaine
  35. business law

    Explain how trade off happens when writers, musicians, artists profit from their work in business law?

    asked by Anonymous
  36. Physics

    A 77 kg sprinter is running the 100 m dash. At one instant, early in the race, his acceleration is 4.7 m/s^2. a) What total force does the track surface exert on the sprinter? Assume his acceleration is parallel to the ground. Give your answer as a

    asked by Anonymous
  37. chemistry

    ou weigh out Potassium Permanganate, Mass of KMnO4 (MW=158.034).......... 0.1569 g You dissolve it completely in water.......... 46.00 mL (a) Molarity of MnO4- solution........................... ________________ M You pipet out your UNKNOWN.............

    asked by faruk
  38. math

    whats the square root of 14

    asked by Anonymous
  39. english

    i need help with my essay ? is about the great debater

    asked by luz
  40. English

    So,I really need help!! Can anyone/someone please give me a poem that you originally made or anything! Thanks! :)

    asked by Scarlette
  41. geometry

    P(6,6)y=2/3x

    asked by chelsey
  42. math

    if a number x is 10%of y and z,and z is 3 times of y.What % is x of y alone? 1)3.3% 2)2.5% 3)5% 4)4%

    asked by sarah
  43. math

    the iceman found recently in a glacier was a first thought to be about 5300 years old.Roughly when did he have his 14th birthday?2700bc,300bc,3700bc,5300bc or 7300bc

    asked by sarah
  44. math

    complete the pattern : 1/2 , 3/4 , 1 , 4 , 4 , 4

    asked by sarah
  45. algebra

    the dimensions of a rectangle are such that its length is 5 in more than its width. If the length were doubled and the width were decreases by 2 in, the area would be increased 136 in^2,what are the length and width of the rectangle

    asked by Anonymous
  46. iinterpersonal comminication skills

    two components of oral communication include? A.proper volume and pitch B.pitch and eye contact C.enunciation and speaking rate D.eye contact and pronunciation my answer is c

    asked by susue
  47. physics

    an automobile travels at a uniform speed of 88 kph. how many metres does it travel in 1 second?

    asked by leyfushie
  48. chemistry

    How many moles of O2 are produced when 0.300mol of KO2 reacts in this fashion?

    asked by fatima
  49. physics

    a man walked 32.5m souhward and 78m westward. if it took him 30 minutes to reach his destination.find his average speed?

    asked by leyfushie
  50. WORD MAKER

    make 50 words with automatic

    asked by Anonymous
  51. linear algebra

    Solve for x if the vectors (2, x, 7-x) and (x, 3, -2) are orthogonal

    asked by Anonymous
  52. Maths

    If the minimum value of f(x)=x^2+18x+a is the same as the minimum value of f(f(x)), what is the max value of a?

    asked by KK
  53. Geometry

    1. AB has endpoints A(8,K) and B(7,3). The slope of AB is 5. What is K? 2. Two angles of a triangle measure 68 and 54. What is the measure of the third angle?

    asked by Chelsey
  54. Math

    Convert to the lowest term 25 1/2 divided by 1 2/3

    asked by Natacha
  55. Chemistry- Please Help!!

    Predict the proper equilibrium constant expression for the following reaction... Fe(OH)3(s) ----> Fe3+(aq) + 3 OH-(aq) Explain the reasoning behind your answer.

    asked by Kelly
  56. science

    Most of the processes that influence the hydrologic cycle are: A. biological processes. B. physical processes. C. ecosystem processes. D. wind processes. is it B

    asked by Amy
  57. Math Statistics

    2. A statistics professor has asked his students to flip coins over the years. He has kept track of how many flips land heads and how many land tails. Combining the results of his students over many years, he has formed a 95% confidence interval for the

    asked by James
  58. Science

    Instinct differs from learned behavior in that instinctive behavior: A. does not change; learned behavior does. B. is acquired; learned behavior is genetic. C. is adaptive; learned behavior is not. D. All of these answers are true. is it A 2. The carrying

    asked by Amy
  59. Elements of Structures MIT 2.02

    This is my last chance and I need to see if my calculus is correct. Is it correct ? Q2_2_4 vA=-5.82 cm ??

    asked by ElementarySchoolStudent
  60. Geometry

    find the slope of the lines passing through the points. (6,-2), (1,3).

    asked by Chelsey
  61. Calculus

    Find the inverse Laplace transform of: F(s)=3/(s-4)

    asked by Elyse
  62. calculus

    Solve the DE by using the Laplace transform: x''+x=cos(3t), x(0)=x'(0)=0

    asked by David
  63. Spanish Literature

    Please let me know whether or not this is written correctly in Spanish as follows: Específicas de “El Hijo El padre y el hijo tienen una relación buena. El padre era una persona de cuidado, de apoya y confianza en relación con su hijo. Ambos, les

    asked by Joy
  64. Spanish Literature

    Can somebody please let me know whether or not this is written correctly in Spanish and if not then please make the corrections? Específicas de “No oyes lardar los perros” Ignacio, el hijo y su padre tuvieron una relación fría, triste y distante. El

    asked by Joy
  65. Spanish Literature

    Can somebody please make the corrections here on what I have written in Spanish? Específicas de” las ataduras Benjamín y Alina tuvieron una relación fuerte como padre e hija. Benjamín quiso todos para su hija, le adoraba y a menudo le comparó a sí

    asked by Joy
  66. Spanish Literature

    Can somebody please see if this is correct as to what I have written in Spanish? If not correct please make corrections for me. Iguales en las tres obras 1. La relación: los padres y sus hijos, la relación con Alina y su padre o las relaciones con sus

    asked by Joy
  67. science

    One of Saturn's moons has an orbital distance of 1.87× 10m to the 8 power. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.

    asked by trina
  68. physics

    A spring has a length of 0.190 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it. (a) What is the force constant of the spring? (b) What is the unloaded length of the spring?

    asked by Justin
  69. Statistic/Psychology

    Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we expect Tom's true score to fall 99.5 percent of the time? a.71 to 73 b. 69 to 75 c. 66 to 78 d. 63 to 81

    asked by Crystal