Most popular questions and responses by Josephine
  1. Science

    Why is it easier to recover silver from a solution than to recover lithium from the same solution

    asked on November 18, 2015
  2. Maths

    city a is 300km due east of city c is 200km on a bearing of 123 degrees from city far is it from c to a

    asked on May 25, 2017
  3. psychology

    in his research, Dr. Caulfiel wants compare levels of tests anxiety among high school students in grade 10 and 12. His hypothesis is that seniors will have higher levels of test anxiety than sophomores will. His theoretical definition of test anxiety for

    asked on June 13, 2014
  4. health ,safety,and nutrition for the Young Child

    need to write a 300 word essay about what to look for when selecting a toy for a young I choose age 3-5 year old. how do I start the essay

    asked on May 16, 2014
  5. Cost accounting

    Flexibility is said to be the hallmark of modern management accounting, whereas standardization and consistency describe financial accounting. Explain why the focus of these two accounting systems differs.

    asked on September 24, 2009
  6. statistics

    You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all students in your university or college is 145 pounds . this is an example of?

    asked on August 29, 2009
  7. Statistics

    The regional manager in Exercise 6.10 plans to evaluate the speed of services at five local franchises of the restaurant. For the fives serves, determine the probability that a. None will receive a movie coupon b. two of the five will receive a coupon c.

    asked on July 20, 2009
  8. college implicit HELP!

    I WANNA KNOW I'M DOING RIGHT. Find the slope of the tangent line to the curve √(3x+2y) + √(4xy)=11.6 at the point (6,4). THAT WHAT I DID: (3x+2y)^1/2+(4xy)1/2=11.6 next step: 1/2(3x+2y)^-1/2*y'+1/2(4xy)*y=0 y'= -(3x+2y)/(4xy) right?

    asked on March 1, 2012
  9. Intermediate Accounting

    Can you give me a website or answer this question please. How does a contributory pension differ from a non-contributory pension plan? Thank you

    asked on January 22, 2010
  10. Statistics

    ) Laura McCarthy, the owner of Riverside Bakery, has been approached by insurance underwriters trying to convince her to purchase flood insurance. According to local meteorologists, there is a 0.01 probability that the river will flood next year.

    asked on July 21, 2009
  11. math

    lighthouse x has a radius of 18 mi lighthouse z has a radius of 28 mi lighthouse z lights up how much more area than lighthouse x? round answer to the nearest tenth.

    asked on May 11, 2016
  12. Cost accounting

    (High-low method) Information about SnoCos’ utility cost for the last six months of 2008 follows. The high-low method will be used to develop a cost formula to predict 2009 utility charges, and the number of machine hours has been found to be an

    asked on September 30, 2009
  13. Chemistry

    Gas X has a density of 2.60 g/L at STP. Determine the molar mass of this gas.

    asked on February 18, 2010
  14. Cost accounting

    Red River Products uses a normal cost, job order costing system. In the Mixing Department, overhead is applied using machine hours; in Paving, overhead is applied using direct labor hours. In December 2007, the company estimated the following data for its

    asked on October 7, 2009
  15. math

    3 girls share a number of apples in the ratio 5:3:2. if the highest share is 40 apples, find the smallest share

    asked on March 5, 2016
  16. statistics

    A consumer research organization is attempting to determine whether there is any difference in mpg for fully loaded 22-foot trucks leased from three companies, A-Haul, Bertz, and Glyder. Five of these trucks are rented from each company. Each truck is

    asked on August 30, 2009
  17. business statistics

    In response to media inquiries and concerns expressed by groups opposed to violence, the president of a university with over 25,000 students has agreed to survey a simply random sample of her students to find out whether the student body thinks the

    asked on July 30, 2009
  18. Calculus implicit

    find y' by implicit differentiation. i don't understand, its so complicate. 1. 4cos(x-y)=3ysinx 2. 4sin(x-y) =3ysinx

    asked on February 29, 2012
  19. Cost accounting

    (Predetermined OH rate) For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900+$6 per direct labor hour. The firm’s 2008, expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. Making one unit of

    asked on September 30, 2009
  20. Cost of Accounting

    What is the classification of the Cost behavior and classification: Factory supervision, Aluminum tubing, Rims,Emblem, Gearbox, Straight-line depreciation on paint machine,Fenders, Inventory clerk’s salary, Inspector’s salary, Handlebars, Metal

    asked on September 23, 2009
  21. physics

    an object of mass m moves with a uniform speed v round a circular path of radius r.if its angular speed is g the magnitude of the centripetal force acting on it is?

    asked on September 12, 2014
  22. science

    how does the massof an atom affect the rate it diffuses

    asked on January 19, 2008
  23. Chemistry

    hey guys can you please help me with this question. Identify the steps required to standardize a 0.1M HCl stock solution with sodium carbonate: Na2CO3, mol wt. = 105.99 g/mol. thank you

    asked on August 22, 2007
  24. Cost accounting

    Gary corporation has developed the following flexible budget formula for monthly overhead: for output of les than 200,000 units: $36,600 + $80 (units) for output of 200,000 units or more: $43,000+$80 (units), How much overhead should Gary expect if the

    asked on October 5, 2009
  25. algebra


    asked on September 7, 2009
  26. business statistics

    Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of three batteries, and a technician records how long each battery will produce 400 amperes during a standard test. Given the following data, also

    asked on August 25, 2009
  27. business statistics

    Please can you give me the step to do this exercise? Thank you Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of 3 batteries, and a technician records how long each battery will produce 400

    asked on August 24, 2009
  28. Calculus AP need help!

    i still understand this problem If x^2/25 +y^2/49=1 and y(3)=5.6000, find y'(3) by implicit differentiation.

    asked on February 28, 2012
  29. business

    Many towns and small cities have websites that they use to interact with their citizens. In 100 words, describe three departments that should be included on the home page of a small towns Web site and describe the citizens interactions that should be

    asked on October 25, 2011
  30. Psychology

    How does psychology as a scientific discipline differ from the causal observations we make about the world in everyday life? What are the similarities?

    asked on March 31, 2010
  31. Cost accounting

    Is one equivalent unit computation sufficient for all cost components?

    asked on October 15, 2009
  32. Cost of Accounting

    1-How does an actual system differ from a normal costing systems? What advantages does a normal costing systems offer? 2-Why is it necessary for a company to specify a relevant range of activity when making assumptions about cost behavior? 3- Why is it

    asked on September 25, 2009
  33. business statistics

    the following data values are a simple random sample form a population that is normally distributed, with ²= 25.0: 47,33,42,34, and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.

    asked on July 29, 2009
  34. college

    A contractor must pay a $40,000 penalty if construction of an expense home requires more than 16 weeks. He will receive a bonus of $10,000 if the home is completed within 8 weeks. Based on experience with this type of project, the contractor feels there is

    asked on July 20, 2009
  35. maths science

    a mixture of 0.5 mol H2(g) and 0.5 mol 02(g) is allowed to react in a container of volume 200 cm3 .represent in the table

    asked on May 5, 2016
  36. science

    a runner travels 3 kilometers in 30 minutes. what is the speed of the runner

    asked on January 17, 2016
  37. math


    asked on July 1, 2014
  38. MATH


    asked on April 10, 2011
  39. university of port harcourt

    illustrate how government spending and taxation will impact on macroeconomics equilibrum in a closed economy

    asked on February 12, 2011
  40. Cost Accounting

    Please somebody can help with the steps of this problem: Thank you (Comprehensive) Construction Company uses a job order costing system. In May 2008, company made a $1,650,000 bid to build a pedestrian overpass over the beach highway in Gulfport,

    asked on August 23, 2010
  41. Statisticssd

    The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09%

    asked on July 21, 2009
  42. Science

    What type of front is associated with floods?

    asked on January 1, 2009
  1. math

    I need the solution

    posted on March 8, 2019
  2. math


    posted on November 15, 2018

    need answers

    posted on September 24, 2018
  4. Math

    10x10x10 = 1000 x 5.6 =5600.00

    posted on September 6, 2018
  5. trigonometry

    A man 1.8metres tall observes the angle of elevation of a tree to be 26°.if he is standing 16 metres from the tree,find the height of the tree to two decimal places

    posted on June 20, 2018
  6. 7th grade math Ms.Sue please!

    Me too Kayla

    posted on November 1, 2017
  7. math

    Aluminum oxide, when aluminum chloride reacts with ammonium hydroxide, the end result is ammonium chloride and aluminium hydroxide but this only happens if the mixture of ammonium hydroxide and aluminium chloride are ignited through ammonium oxide.

    posted on July 31, 2017
  8. life orientation

    No anti retrovirals for people with hiv and aids so the right to good medication is violated

    posted on May 16, 2016
  9. math

    area of lighthouse x = 1017.36 mi^2 area of lighthouse z = 2461.76 mi^2 2461.76 - 1017.36 = 1444.4 lighthouse z lights up 1444.4 more area than lighthouse x?

    posted on May 11, 2016
  10. science

    to the power of...

    posted on March 20, 2016
  11. math

    15÷100×3500= 525 525+1950=2475 3500-2475=1025 final answer = 1025

    posted on March 5, 2016
  12. Math for Steve

    1. b 4.4:13 6.c-0.35per bagel 7.b 13.5:8 14. 6:5 15. 2:3 16.23:27

    posted on April 29, 2015
  13. 4th grade...math

    I don't know

    posted on September 29, 2014
  14. math

    let d number of students b represented by x their total percentage is 100% if so 96%=36students 100%=x 96x=36×100 96x=3600 x= 3600÷96 x=37.5

    posted on September 12, 2014
  15. Geography

    It is not tertiary I fall the question buy puting that

    posted on June 22, 2014
  16. math


    posted on October 21, 2013
  17. Biochemistry

    Part A... Solving for x we will get 4.028x10^-4 Plugging it in into pH equation, we will get pH of 3.39 Part B 5.76g

    posted on January 29, 2013
  18. college implicit HELP!

    how u get 2x/√xy? i thought 4x/√xy.

    posted on March 2, 2012
  19. Calculus implicit

    ok i'll try another, thanks

    posted on February 29, 2012
  20. Calculus AP need help!


    posted on February 28, 2012
  21. Calculus AP need help!

    i mean i still don't understand this problem

    posted on February 28, 2012
  22. oratorical piece

    please give me an oratorical piece about science, there is a bright future and a better tomorrow. thank you.

    posted on July 16, 2011
  23. microeconomics - monopoly vs perfect competition

    a market with many buyers and sellers

    posted on December 21, 2010
  24. Cost accounting

    Please can you give the step to do this problems. (Comprehensive) Jackson Construction Company uses a job order costing system. In May 2008, Jackson made a $1,650,000 bid to build a pedestrian overpass over the beach highway in Gulfport, Mississippi.

    posted on August 23, 2010
  25. Cost accounting

    Please give me the step of follows?Predetermined OH rate) For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900+$6 per direct labor hour. The firm’s 2008, expected annual capacity is 156,000 direct labor hours, to be incurred

    posted on October 6, 2009
  26. algebra


    posted on September 7, 2009
  27. algebra


    posted on September 7, 2009
  28. statistics


    posted on August 30, 2009
  29. business statistics

    Minutes Sample Battery Battery Battery $ e 1 2 3 13.3 1 13.3 9.4 12.1 9.4 2 12.2 13.4 8.5 12.1 3 11.2 8.2 9.2 12.2 4 7.8 9.7 10.0 13.4 5 10.1 11.4 13.8 8.5 6 9.9 11.7 8.5 11.2 8.2 Thank you drwls (this is the second part of the exercise)

    posted on August 24, 2009
  30. Chemistry

    hey thanks christina your a life saver, this is just what i need (=

    posted on August 22, 2007
  31. Chemistry

    hey thanks DrBob222 but can you put it into more detail, like every step of the process because my text doesnt provide me with anything.

    posted on August 22, 2007