Questions Asked on
August 17, 2014

  1. dav science

    a machine gun fires 25 g bullets at the rate of 600 bullets per minute with a speed of 200 m/s. calculate the force required to keep the gun in position.

    asked by shri
  2. Maths

    In a class of 75 students,15 are above average,45 are average and the rest below average achievers.The probability that an above average achieving student fails is 0.005,then an average achieving student fails is 0.05 and the probability of a below average

    asked by Susan
  3. trig

    A spring is attached to the ceiling and pulled 17 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 16 cm. The spring oscillates 13 times each second. Assume that the amplitude is decreasing exponentially. Find an

    asked by Tricia
  4. physics

    A toy rocket, launched from the ground, rises vertically with an acceleration of 32 m/s^2 for 4.1 s until its motor stops. Disregarding any air resistance, what maximum height above the ground will the rocket achieve? The acceleration of gravity is 9.8

    asked by chris
  5. Sociology

    The difference between positivism and anti -positivism relates to: a. whether individuals like or dislike their society b. whether research methods use statistical data or person-to-person research c. whether sociological studies can predict or improve

    asked by Kumar
  6. math

    a bag contains 400 coins ,and 33 1/2 % are nickels, how many nickels are there?what percent of the coins are not nickels

    asked by tylia
  7. math

    The leng of the smaller rectangle is 1 inch less than twice its wide. both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. the area of the shaded region is 86 square inches. what is the area of the smaller rectangle?

    asked by Anonymous
  8. Sociology

    Which of the following was a topic of study in early sociology? a. Astrology b. Economics c. Physics d. History

    asked by Vishnu
  9. American Constitutional Law

    Please help with these two questions: The power of judicial review extends to __________ action. A. congressional B. executive C. state D. All of the above I SAY D. A judge who follows an interpretive approach that focuses on the precise meaning of the

    asked by Pat
  10. statistics

    The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than 10 days?

    asked by Jeff
  11. Teaching in Early Childhood Programs,

    Which of the following is least characteristic of internalization? A. It occurs at different times for different issues. B. It involves behaviors and attitudes that become basic parts of each child's personality. C. It involves some measure of

    asked by Eva
  12. computers

    Which vendor did IBM select to create the operating system for the IBM PC

    asked by Teisha
  13. physics

    a cannon fires a shell with a speed of 84m/s.when the cannon is inclined at 45 degree,the horizontal distance covered is observed as 630 m.what is the percentage decrease in the horizontal distance observed due to air resistance?

    asked by pranav prabhat
  14. chemistry

    an endothermic reaction a to b has an activation energy of 15 kcal per mol and heat of reaction 5 kcal per mol the activation energy for the reaction b to a will be ?

    asked by Anonymous
  15. Algebra

    To which subset of rel numbers does the number -22 belong? whole numbers rational numbers integers irrational numbers natural numbers I know it's an Integer but I'm not sure of the second answer.

    asked by Faye
  16. trigonometry

    The bearing of the lighthouse is N 68 degress E from a ship 43 miles from the lighthouse. How far north of the ship is the lighthouse?

    asked by jhel
  17. Maths

    Bag A contains 2 white, 1 black and 3 red balls, Bag B contains 3 white, 2 black and 4 red balls and Bag C contains 4 white, 3 black and 2 red balls. One Bag is chosen at random and 2 balls are drawn at random from that Bag. Of the randomly drawn balls

    asked by Susan
  18. probability

    A bag contains 8 red, 12 white and 4 blue marbles. If 2 marbles are selected in succession (without replacement), find the probability as a common fraction in simplest form that first is red and second is blue

    asked by james
  19. chemistry

    calculate the concentration of ammonium nitrate solution.

    asked by Anonymous
  20. finance

    A quaint but well established cafe shoppe in the new hot cafe wants to build a new cafe for increased capicity it expect sales are $800,000.00 for the first 5 years, direct cost including labor and material 50% for new cafe will be totaled at $750,000.00

    asked by Paula
  21. Math

    You ride your bike at an average speed of 8 miles per hour.how many miles can you travel in 1.5 hours?

    asked by Frank
  22. chemistry

    if the wavelength of the first line in the balmer series in a hydrogen spectrum is 6863A .calculate the wavelength of the line in the lyman series in the same spectrum

    asked by Anonymous
  23. literature

    Hi, I'm doing a poem for a literature book called Red Sky In the Morning by Elizabeth Laird. The theme that my teacher assigned to me is'Anna's love for Ben'. It can be through her thoughts, words, actions or what other characters say about her love

    asked by Grace
  24. management organization

    In what ways innovative or high tech firms often adopt strategy ignoring history this strategy helps them ?

    asked by business
  25. geometry

    A stick 5 cm long, a stick 9 cm long, and a third stick n cm long form a triangle. What is the sum of all possible whole number values of n?

    asked by itrixie
  26. chemistry

    blance this equestion with partial balincing method:- Zn+HNo3(very dil)

    asked by sabin
  27. Math

    a person sol 100 shares of stock at a profit of 15%. if the selling price for the 100 shares was 2300. what was paid for the stock?

    asked by Anonymous
  28. Math

    1. A man has 22 feet by 26 feet rectangular lot that he will use for planting. He wants to build a brick of walkway of uniform width on the border of the lot. If the man wants to have 396 square feet of ground left for planting, how wide should he build

    asked by Piper
  29. Math

    1. The length of a rectangle is 6 inches longer than thrice its width. The area of the rectangle is 57 square inches. Write a quadratic equation for the area of the floor in terms of x. Find the length and width of the rectangle. 2. If 1,500 ft of fencing

    asked by Annabeth
  30. maths

    Given p(x)=x^4+ax^3+bx^2+cx+d,such that x=0 is the only real root of p'(x)=0.If p(-1)

    asked by Gunjan
  31. math

    The length of a rectangle of perimeter 64 cm is 5/3 of its breadth . Find the area of rectangle ?

    asked by Anonymous
  32. Data structure

    Q1. Write a menu driven program for checkout lines in a supermarket, Using Queue data structure and Queue Simulation concepts. Create varied lines of servers depending on the user input initially. Display the queue of each server along with the customers

    asked by Pintu
  33. Chemistry

    How would I find the concentration of an unknown acid if I have a Ka value of 3.98x10^-5?

    asked by Liz
  34. Engineering maths

    A rectengular swimming pool 30m long and 22m wide is made.And a deck of the uniform width is made around the pool,and only 480m^2 deck is made,HOW WIDE SHOULD THE DECK BE?

    asked by Makeki
  35. Criminal Organization

    Write a 1,050- to 1,750-word paper, using definitions, principles, and theories from previous assignments, in which you establish a thesis regarding the control of organized crime. I am just not understanding what my instructor is asking.... Please

    asked by kat
  36. cda

    A criticism of the information -process approach is that it

    asked by Anonymous
  37. statistics

    In performing a hypothesis test, the null hypothesis is population mean = 6.9 and the alternative hypothesis is population mean ≠ 6.9, a random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation is 2.0. The

    asked by Anonymous
  38. history, life science, cat, maths lit

    What career path can I follow with these subjects?

    asked by Pearl
  39. maths

    Given p(x)=x^4+ax^3+bx^2+cx+d,such that x=0 is the only real root of p'(x)=0.If p(-1)

    asked by Gunjan
  40. important math question

    the equation x^3 -x-5=0 has one solution for x between -2 and 2. what is the solution? how do I get this

    asked by sara
  41. American Constitutional Law

    Which of the following is NOT a constraint on federal judicial power? A. Lifetime appointment B. Presidential nomination C. Impeachment for high crimes and misdemeanors D. Congressional control of judicial jurisdiction I think it's C., but not positive

    asked by Pat
  42. social studies

    If u travel o degrees latitudes, 0 degrees to 30 degrees north latitude, 120 west longitude u will have travel from

    asked by Ricky
  43. psychology

    Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men. A. jealous B. promiscuous C. status-conscious D. socially dominant

    asked by Breee
  44. mat

    write an expression for? a river is currently 5 ft deep.Due to runoff from hills the depth rises 6 1/2 ft after 3 inches of rain?

    asked by arc
  45. programming

    Write a c proram to find rhme words ? So, how to do it and i need a database dictionary to read from..

    asked by Pintu
  46. history, life science, cat, maths lit

    What career path can I follow with these subjects?

    asked by Pearl
  47. math

    evaluate the limit as x approaches 0 from the right. of the function xcos(1/x) I know the answer is O but I am not sure as of my reasoning. I just that that since cos(1/x) is being multiplied by a number approching 0 that the whole limit would be o.

    asked by rolloo
  48. Health

    ________ is the name of a condition in women where the normal balance of bacteria in the !@#$%^& is disrupted and replaced by an overgrowth of certain bacteria. A. Herpes B. Bacterial Vaginosis C. Chlaymdia D. Syphilis

    asked by Lolita
  49. Health Part 2

    People living with HIV can have a longer and healthier life by ________. A. Joining a support group B. Taking their medicines C. Learning as much as possible about HIV and available treatments D. All of the above I'm guessing D? What percentage of all

    asked by Scarlett
  50. Statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

    asked by Annette Hill
  51. chemistry

    Lovastatin is an anti-cholesterol drug that can be easily extracted from oyster mushrooms. A 291 mL lovastatin solution with a concentration of 0.001479 mol L-1 was extracted from 50 g of dried oyster mushrooms. Calculate the percentage of lovastatin in

    asked by michael
  52. Math

    Assign variables for the following problem (you do not need to solve the problem) Thirty fluffaluff trees are introduced on an island at the start of year zero. At the start of thirty there are 55 fluffaluff trees. Use the fluffaluff formula to find how

    asked by Anonymous
  53. Algebra

    The following is a report of defective parts reported by inspectors in 3 electronic factories: Brookline= 3 per 10,000 Brookville= 5 per 100,000 Brooklyn= 13 per 1,000,000 Which of the following best expresses the portion of defective parts in three

    asked by Nozomi
  54. Math

    A person stock worth 2300 at 100 shares and they had a 15 % profit how much was the stock

    asked by Anonymous
  55. Math

    If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal

    asked by Claudette
  56. Math

    How long can I wait to see the answer of my question about Algebra ? Its been a long hour .

    asked by Claudette
  57. math

    SIN(90*-0)COT(90*-0)/SIN0+COS(90-0)=1/2

    asked by JIDDY
  58. physics

    Plot a speed-time graph of a car A traveling at a uniform speed of 80km/hr on the same graph plot the speed-time graph of 2nd car B starting from rest and uniformly accelarating through a maximum speed of 80km/hr a) what relations do you find between the

    asked by Anonymous
  59. math

    A swimmer S is in the sea at a distance of 4km from the closest point A on a straight shore.His house B is on the shore at a distance 5km from A.He can swim at a speed of 3km/hr.The distance of the point on the shore from B so that he reaches his home in

    asked by Gunjan
  60. Physics

    A drop of rain of mass of 20kg strike a bald headed man what force did the man experience

    asked by Bobs
  61. math

    a computer is being lowered into the ocean from a platform. at this moment it is 210 feet below surface and being lowered 150 feet every 30 minutes. how to write this in the form of an expression?

    asked by arc
  62. Health Part 2

    In the United States, the most at risk and highest reported rates of infection of gonorrhea are among sexually active ________. A. Teenagers B. Young Adults C. African Americans D. All of the above D?

    asked by Scarlett
  63. science(biology)

    state three secondary functions of roots,stems and leaves

    asked by Elvis
  64. sociology

    That Baby Boomers have influenced how retirement communities are designed, organized, and governed is an example of a demographic trend.

    asked by Lun
  65. Statistics in Psychology

    What is a proper Null and Alternative HypothesThe CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and

    asked by Annette Hill
  66. maths

    How to find missing number.,(180,14) (120,8) (?,4) (220,18)

    asked by wan
  67. Algebra 2

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.64 cross product 10−5 watts/cm2

    asked by Viola
  68. Algebra

    y=-3/2x -2

    asked by sharon
  69. MAth

    If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal

    asked by Claudette
  70. science cbse school

    a force of 10 newton gives a mass m1 an acceleration of 2m/s2 and a mass m2 an acceleration of 4m/s2.what acceleration would it givr if both the masses are tied together?

    asked by p.gayathri
  71. math

    Find the equation of the circle for which the points (1,2),(4,6) are the end points of a diameter.

    asked by Siva kumar
  72. Physics

    If the density of atoms in a material is 1026 metres-3, and 0.04% of a beam of neutrons is stopped in a 2 cm slab of the material What is the cross section ?? No idea can anyone supply a formula ?? thanks

    asked by Dwayne
  73. Physics

    If the density of atoms in a material is 10^26 metres-3, and 0.04% of a beam of neutrons is stopped in a 2 cm slab of the material What is the cross section ?? No idea can anyone supply a formula ?? thanks

    asked by Dwayne