len

Popular questions and responses by len
  1. social studies

    In which of the following industries are the majority of jobs in the United States and Canada found? 1. A. service------- B. education C. healthcare D. tourism 2. Which role does the government play in the economies of the United States and Canada? A. The

    asked on September 6, 2018
  2. Math

    Mark has pair of pants in three different colors, blue, black and brown. He has five colored shirts: a white, a red, a yellow, a blue and a mixed-colored shirt. What is the probability that Mark wears a black pair of pants and a red shirt on a given day?

    asked on May 4, 2017
  3. accounting

    examples of relevant economic events

    asked on June 14, 2017
  4. pysics

    A BMW convertible travels on the german autobahn at the speed of 128km/h.what is the speed of the car, in m/s and in mi/h.what is the answer.

    asked on June 25, 2016
  5. environmental science

    Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains

    asked on November 2, 2011
  6. Probability theory

    suppose a student is offered a chance to draw a card from ordinary deck of 52 playing cards and win $10 if he or she draws an ace, $ 2 for a King, and $1 for a queen. If $2 must be paid to play the game, what is the expected winnings every time the game is

    asked on May 3, 2017
  7. differential calculus

    a bed is in a form of a circular sector. find its radius if the area of the sector is 1000 centimeter square and its perimeter is a minimum

    asked on July 31, 2013
  8. Math

    What are the major advantages of a place value system over a non-place value system of numeration?

    asked on May 25, 2017
  9. Chemistry

    How many moles are 400 g of Ca(HSO4)2

    asked on January 13, 2013
  10. physical acience

    Compute the density in g/cm3 of a piece of metal that has a mass of 0.360 kg and a volume of 74 cm3.

    asked on January 26, 2014
  11. phydraulic

    A cylinder must move a 2000 lb load 2 ft. How much work must it perform?

    asked on October 15, 2013
  12. math 157

    Give the equation of the line that is perpendicular to the line y = x + 4 and passes through point (0, -1)

    asked on October 11, 2010
  13. Probability theory

    Your company plans to invest a particular project. There is a 5% chance that you will lose $30, 000, a 40% chance that you will break even, and a 25% chance that you will make $55, 000. Based solely on this information, what should you do?

    asked on May 3, 2017
  14. chemistry

    What is the molarity of a salt solution in which 117.0 grams of salt (NaCl) is dissolved in water to give 5.00 L of solution? Show all work including units.

    asked on August 23, 2011
  15. math

    1. A number leaves remainder 6 when divided by 10. What is the remainder when the number is divided by 5? Justify your reasoning.

    asked on September 8, 2010
  16. math

    For which integers a, b, and c does a – b- c= a- (b – c) Justify your answer.

    asked on September 7, 2010
  17. Number theory

    Express 550 and 1645 in the scale of 2, 5, 6, and 9.

    asked on June 28, 2017
  18. Probability theory

    A baseball team has 4 infielders and 6 outfielders. How many ways can four fielders be sent in a game consisting of 2 infielders and 2 outfielders?

    asked on May 3, 2017
  19. science

    What are some social, economic, aesthetics, and ethical issues involved in a current environmental controversy?

    asked on November 1, 2011
  20. Math

    Ronald lee has been told by a company that the probability he will be offered a job in the quality control department is .6 and the probability he will be asked to be foreman of the department, if he offered the job is .1. what is the probability that he

    asked on May 4, 2017
  21. Math

    Ronald lee has been told by a company that the he will be offered a job in the quality control department is 0.6 and the probability he will be asked to be foreman, if he is offered the job, is 0.1.What is the probability that he will be offered the job

    asked on May 3, 2017
  22. Probability theory

    If the probability of a newborn child is a male is 1/2, what is the expected number of male children in a family having 4 children?

    asked on May 3, 2017
  23. Ecology

    Find the name of an organism hiding in the word habitat

    asked on September 26, 2011
  24. Number theory

    Express 550 in the scale of 2

    asked on June 28, 2017
  25. Number theory

    Prove the divisibility criteria for 9, 11, and 17.

    asked on June 28, 2017
  26. Math

    If a three digit number id formed from the digits 1, 2, 3, 4, 5, 6, and 7 with no repetitions, tell how many of this three digit numbers will have a number value between 100 and 500.

    asked on May 3, 2017
  27. Medical billing and coding

    Explain the importance of a fee schedule and the factors it's based on.

    asked on August 5, 2010
  28. Math

    Having trouble knowing where to start with this one: A maker of tools claims the average amount of time it takes to assemble a table saw is 50 mins with a standard deviation of 40 mins. What is the probability that the sample mean will be less than 44 mins

    asked on March 23, 2010
  29. Math

    What is fraction of5/6

    asked on February 1, 2016
  30. Math

    Robert feeds his dog 1 lb 4 oz of dog food a day. How long will a 40 pound bag last ?

    asked on May 8, 2012
  31. statistics

    Refer to Table 1 in the article “Snail Shells in a Practical Application of Statistical Procedures” in the Electronic Reserve Readings. Find the margin of error, E, with a confidence interval of your choosing (50-99%). What is the significance of

    asked on April 26, 2012
  32. Number theory

    Express 550 in the scale of 6.

    asked on June 28, 2017
  33. Math

    A firm selling type writers knows that four of its 100 type writers will not return properly and that five different ones have a defective key.If none of the other type writers has a defect,what is the probability of a buyer selecting a defective

    asked on May 4, 2017
  34. Math

    A firm selling type writers knows that four of its 100 type writers will not return properly and that five different ones have defective key.If none of the other type writers has a defect, what is the probability of a buyer selecting a defective type

    asked on May 3, 2017
  35. math

    by selling an article for Rs. 500, a profit 12 1/2% is made. find the cost price of the article? let c.p. be x. then gain =25/2

    asked on July 2, 2016
  36. Medical billing and coding

    Discuss coding for obstetrics, including items covered by the global fee for antepartum and postpartum periods of normal pregnancy.

    asked on August 5, 2010
  37. math

    1/8 inch= 5 mile, then 1 inch = how many miles

    asked on February 26, 2013
  38. pysical science

    how do you find the density of a solution where the mass=60.75gms and the volume=45ml

    asked on May 12, 2011
  39. Number theory

    express 1645 in the scale of 2

    asked on June 28, 2017
  1. world history

    d

    posted on November 26, 2019
  2. math

    Hold on there knights! Let’s say that the first one tested is a dud. Is it reasonable to stop the testing right there and say every firecracker is a dud? And how confident of that estimation would you be? It would be more helpful to explain how many

    posted on September 22, 2019
  3. science

    Platelets and fibrin

    posted on January 8, 2016
  4. Stats

    2222

    posted on February 28, 2015
  5. Social Studies

    a

    posted on August 31, 2012
  6. 4th grade

    6 2 9 3 12 4

    posted on March 30, 2011
  7. chemistry

    how many signigicant figures does 890 have?

    posted on September 15, 2010
  8. sports unscramble

    Penalty Kill

    posted on October 25, 2007