# 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

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?

3. ## accounting

examples of relevant economic events

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.

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

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

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

8. ## Math

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

9. ## Chemistry

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

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.

11. ## phydraulic

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

12. ## math 157

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

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?

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.

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.

16. ## math

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

17. ## Number theory

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

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?

19. ## science

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

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

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

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?

23. ## Ecology

Find the name of an organism hiding in the word habitat

24. ## Number theory

Express 550 in the scale of 2

25. ## Number theory

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

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.

27. ## Medical billing and coding

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

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

29. ## Math

What is fraction of5/6

30. ## Math

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

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

32. ## Number theory

Express 550 in the scale of 6.

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

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

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

36. ## Medical billing and coding

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

37. ## math

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

38. ## pysical science

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

39. ## Number theory

express 1645 in the scale of 2

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 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