Lucky

Most popular questions and responses by Lucky
  1. Physics

    A certain moving electron has a kinetic energy of 1.01 × 10−19 J. Calculate the speed necessary for the electron to have this energy. The mass of an electron is 9.109 × 10−31 kg. Answer in units of m/s.

    asked on April 3, 2011
  2. Math

    5. How would you change this sentence to a true statement? b. Every irrational number is a rational number. c. Every irrational number is a real number. •• d. Every irrational number is a whole number. e. Every irrational number is a perfect square.

    asked on September 14, 2016
  3. chemistry

    consider the reaction, 2Al(OH)3+3H2SO4---->Al2(SO4)3+6H2O a. Given that 152g of H2SO4 reacts with 234g of Al(OH)3 Howmany grams of Al2(SO4)3 will be theoretical generated? b. which of the reactants is the limiting reagent? c. If the actuall yield was 135 g

    asked on October 8, 2011
  4. algebra

    Solve the inequality graph the solution set 26+6b>2(3b+4) answers are. All real numbers, b11/2, no solution thanks

    asked on February 23, 2014
  5. statistics

    The weight of corn chips dispensed into a 19-ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 19.5 ounces and a standard deviation of 0.1 ounce. Suppose 100 bags of chips are randomly selected. Find

    asked on November 13, 2010
  6. Math

    19. Which set of numbers is ordered correctly from least to greatest? A. 0,-3,-[4],[-5],8 B. 8,[-5],-[4],-3,0 C. -[4],-3,0,[-5],8 D, [-5],-[4],-3,0,8 ••

    asked on September 14, 2016
  7. Civic education

    What are some examples of civic problems?

    asked on September 27, 2018
  8. statistics

    A recent report stated "Based on a sample of 250 truck drivers, there is evidence to indicate that, on average, independent truck drivers earn more than company-hired truck drivers." This statement is an example of __________.

    asked on November 13, 2010
  9. English

    What is this story theme? ''How I learned English?'' by gregory djanikian

    asked on November 26, 2018
  10. math

    A ladder , 5 meter long , standing on a horizontal floor , leans against a vertical wall . If the top of the ladder slides downwards at the rate of 10 cm/sec . Find the rate at which the angle between the floor and the ladder is decreasing when the lower

    asked on June 19, 2011
  11. Science

    Calculate the magnitude of the electric field at a field point 3.0m from a point charge, q=5.0uC

    asked on April 29, 2019
  12. chemistry

    find the percentage by mass of nitrogen present in (NH4)2SO4

    asked on November 10, 2015
  13. chemistry

    A generic salt, AB, has a molar mass of 313 g/mol and a solubility of 4.30 g/L at 25 °C. What is the Ksp of this salt at 25 °C?

    asked on April 3, 2013
  14. Chemistry

    From the jewelry descriptions given, select the homogeneous mixture or solution. Answer?? 10 carat (K) electroplated gold jewelry 24 carat (K) gold jewelry (i know this is pure gold) 18 carat (K) gold jewelry Are these right? CaCl2>>calcium chloride

    asked on January 28, 2013
  15. Civics

    impact of the contemporary social issue

    asked on September 15, 2019
  16. physics

    The length of copper and an iron wire is 500m at 0^0c. Determine the difference in their length at 30^0c

    asked on September 17, 2019
  17. Physics

    Calculate the net charge on a substance con- sisting of a combination of 3.5 × 1013 protons and 6.3 × 1013 electrons. Answer in units of C.

    asked on April 8, 2011
  18. Physics

    A uniform rod of weight 300N and 2m long is hinged to the floor at one end so that it can rotate in the vertical plane. The other end of the rod is tied to a point on the ceiling vertically above the floor hinge by means of a rope 2.5m long. The vertical

    asked on June 25, 2017
  19. geometry

    Constuct a triangle ABC ,given that angleA is 70 degree & angle C is 35 degree and length of perpendicular from A on BC is 5cm .meausre BC

    asked on February 16, 2016
  20. L.o

    What ar three practical measures to deal with this environmental issue that causes ill-health on a personal level?

    asked on September 13, 2015
  21. math

    In 1991, the separation between goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this? (accurate to tenths)

    asked on March 28, 2011
  22. chemistry

    From the jewelry descriptions given, select the homogeneous mixture or solution. Answer?? 10 carat (K) electroplated gold jewelry 24 carat (K) gold jewelry (i know this is pure gold) 18 carat (K) gold jewelry Are these right? CaCl2>>calcium chloride

    asked on January 28, 2013
  23. algebra

    Show all steps evaluate the expression for the given value of the variable 5a+5b,a=-6,b=-5thanks

    asked on February 23, 2014
  24. geometry

    the perimeter of a rectangle is 70m. if the width were doubled and length were increased by 24m, the perimeter would be 142m. what are the length and width of the rectangle?

    asked on December 14, 2010
  25. probability

    If you were to spin a spinner that had eight equal parts labled 1-8 three times what is the probability that all three numbers are (3 or greater than five)?

    asked on April 20, 2010
  26. a

    A rectangle is 3times as long as it is wide the perimeter is 60cm. Find the dimensions of the rectangle round to nearest tenth if necessary answers are 7.5cm.by22.5cm., 7.5cm.by52.5cm., 20cm.by60cm., 15cm.by22.5cm thanks

    asked on February 23, 2014
  27. Life orintation

    Name two community organisations that are involved in supporting or giving redress to environmental factors. Explain how these community organisations are involved in redressing these issues.

    asked on June 9, 2013
  28. Economics

    The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resource produces: Canada 50 tons wheat, 20 micrchips and Japan 2 tons wheat, 12 microchips. (b) Suppose Canada is endowed with 2 units of this

    asked on November 28, 2010
  29. statistics

    To win at BIG GAME in a certain state, one must correctly select 6 numbers from a collection of 49 numbers (1 through 49). The order in which the selections is made does not matter. How many different 6-number selections are possible, assuming no

    asked on November 13, 2010
  30. Economics

    (Value in billions of dollars) Consumption = 140 Business fixed and residential investment = 27 Inventory stock at the end of 2003 = 10 Inventory stock at the end of 2004 = 5 Depreciation = 12 Government outlays = 80 Government purchases = 65 Total

    asked on September 23, 2008
  31. algebra

    Show all steps evaluate the expression for the given value of the variable 5 a+5b,a=-6,b=-5

    asked on February 23, 2014
  32. chm

    Which of the following facts is evidence for the existence of induced dipole-induced dipole interactions between molecules? Answer >>>Ions in water become surrounded by water molecules and this is what we observe as "dissolving." Water freezes into a solid

    asked on February 20, 2013
  33. Economics

    The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resouce produces: Canada 50 tons wheat, 20 microchips and Japan 2 tons wheat, 12 microchips. (a) What is the opportunity cost of producing a ton

    asked on November 28, 2010
  34. Psycology

    The DSM-IV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across psychology; however, the DSM-IV is not as precise for diagnosing personality disorders as some psychologists would like. Give an example of each

    asked on April 21, 2010
  35. Math

    Last year company x produced 96.8% of a certain product. If company y produced the remaining amount of this product what percent did company y produce?

    asked on August 25, 2013
  36. Math

    Last year company x produced 96.8% of a certain product. If company y produced the remaining amount of this product what percent did company y produce?

    asked on August 24, 2013
  37. physical science

    A builder pushes a wheelbarrow loaded with sand ,from rest at point A,up a ramp of unknown length ,which is inclined at unknown angle ,vertical height of unknown 2,75m

    asked on April 7, 2013
  38. Life orientation

    In 10-15 critically discuss 5 ways in which the human or enviromental problem impacts on the community.provide relevent sources to support your claims

    asked on March 24, 2013
  39. Working backwards (problem solving)

    a store bought some calculators for $400 wholesale and sold all but 10 of them retail for $280 total. The store paid a whole number of dollars for each and received a whole number of dollars each week. If the store made a profit on the sale of each

    asked on September 17, 2013
  40. chemistry

    what is the molarity of a solution containing 15.0 g of NaCl in 1.25 L of solution?

    asked on May 22, 2011
  41. Math

    On Dec 1,2007,you could buy a 10-year U.S.Treasury note(a kind of bond)for $10,000 that pays 4.21% simple interet every year through Dec 28,2017.How much total interest would it earn by then? Thanks!

    asked on April 14, 2011
  42. Math word problem

    Jeff went fishing yesterday and caught a large fish. Upon measuring it he found that the head was 6 inches long. He also noted that the tail was as long as the head plus one-third of the back and that the back was as long as the tail plus twice the head.

    asked on September 17, 2013
  43. chemistry

    please i need example of hno3 cuo

    asked on May 8, 2013
  44. accounting

    What entries would the bookkeeper have made ie the cheque is not presented for payment by the payee?

    asked on January 26, 2010
  45. trigonometry

    If cos x = 4/5, 0° x 90°, find the value of (1 + tan x)/(1 - tan x)

    asked on April 8, 2017
  46. math

    tom takes 3days to do a piece of work while jerry takes only one day for the same. together, they both can finish the job in 15 days. in how many days tom will finish the work? solution please

    asked on December 16, 2015
  47. math

    tom takes 3days to do a piece of work while jerry takes only one day for the same. together, they both can finish the job in 15 days. in how many days tom will finish the work? #please give it, the complete solution. please hurry

    asked on December 16, 2015
  48. algebra

    Solve the equation-5y-9=(y-1) answers are-1/2, -21/2, -2, ,2/4

    asked on February 23, 2014
  49. median

    calculating the range of 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Is the range 16-0 =16 if this is the range what is the median 9 or 10

    asked on September 8, 2013
  50. Life orientation

    Discribe the life style of cancer and explain 5(more) factors that contribute to the cancer

    asked on March 26, 2013
  51. Liff Orientation

    In 10-15 lines critically discuss 5ways in which the human or environmental problem impacts on the community.provide relevant sources to support your claims.

    asked on May 14, 2011
  52. MAths

    Supplement of angle is four times its complent angle find angle

    asked on May 18, 2017
  53. aLGEBRA

    hOW MANY STUDENTS IN A CLASS IS POETS AND HOW MANY NOVELISTS WHEN THERE ARE 24 STUDENTS IN THE CLASS AND POETS OUTNUMBER NOVELISTS 5 TO 3

    asked on January 18, 2016
  54. Word problem

    10 men are fishing in a row boat. The center is empty. The 5 men need to swap places. A man can move to his seat if it is empty or step over one person to an empty seat what are the minimum moves needed for the five men to swap places. My answer is 25

    asked on September 17, 2013
  55. science

    a rubber ball thrown at a height reaches the ground and keeps bouncing for sometime before coming to rest.

    asked on July 13, 2012
  1. Science

    The question has not been answer

    posted on April 29, 2019
  2. Edtech

    C D B 100% Thanks guys

    posted on January 9, 2019
  3. Science

    a a d d c a a d a b b a c c c a c b b d d a,d type type type

    posted on January 8, 2019
  4. maps and scale drawings math MATH HELP help !!!!

    anyone near Christmas yet :]]

    posted on December 10, 2018
  5. Math

    @Ya Boi Is RIGHT except number 3

    posted on November 28, 2018
  6. language arts

    Its not BaBA I got 1 out of 4 its c a d c Truct me

    posted on October 31, 2018
  7. MATH ASAP

    B,A,D,B, is right I just checked it trust me.

    posted on October 31, 2018
  8. Social Studies

    I think it is C if its not im going to do a backflip on a trampoline with mousetraps on it... That's how random I am

    posted on October 30, 2018
  9. Math

    A C C D C A D A C A D D A C A C D A A A D Do the rest on your own good luck.

    posted on October 30, 2018
  10. career

    Am doing life sciences, agriculture, economics and maths literacy so which career it can fit

    posted on October 20, 2018
  11. Algebra

    Meh is wrong’s answers worked for me. Sometimes different people have different combinations of right answers because the computer switches em up

    posted on April 12, 2018
  12. math

    Yeah. 710.185% is correct

    posted on February 10, 2018
  13. math help me pls

    You already know I had to do it to em.

    posted on October 24, 2017
  14. english

    Tone Style Theme Plot Characterization Competition Realization

    posted on June 14, 2017
  15. Social Studies (Check Answers)

    That's why want to know what grade because I don't want to check it and get you to get wrong answers

    posted on September 14, 2016
  16. Social Studies (Check Answers)

    Okay that's fine but what grade are you in batman

    posted on September 14, 2016
  17. Social Studies (Check Answers)

    I wound't give him the answer I'm going to help him find the answers on his text book

    posted on September 14, 2016
  18. Social Studies (Check Answers)

    What grade

    posted on September 14, 2016
  19. Social Studies (Check Answers)

    What unit and lesson is it?? I can help u

    posted on September 14, 2016
  20. Economics

    a.$10 billion

    posted on August 26, 2016
  21. Life orientation

    Combat violations of human rights

    posted on May 4, 2016
  22. life orientation

    Have the right to basic education,have the right to live without any violations. The gang violence,human abuse and child labour the govern must be against to prevent it an also communities must protest against it

    posted on April 27, 2016
  23. life orientation

    3 human right violation

    posted on April 21, 2016
  24. life orientation

    3 human rights violation and explain in an introductory paragraph

    posted on April 21, 2016
  25. life orientation

    Lo

    posted on April 21, 2016
  26. life orientation

    I don't know the answer

    posted on April 21, 2016
  27. Geometry

    Gosnkasnhf

    posted on March 31, 2016
  28. Geometry Proofs (w/Pic)

    Prove this P(-3;7),Q(5;13),R(8;9) and S(0;3) are the vertices of a quadrilateral in a Cartesian plane.

    posted on March 31, 2016
  29. Geometry Proofs (w/Pic)

    P(-3;7),Q(5;13),R(8;9) and S(0;3) are the vertices of a quadrilateral in a cartesian plane.

    posted on March 31, 2016
  30. Life orientation

    Maths

    posted on March 1, 2016
  31. maths and science

    maths

    posted on March 1, 2016
  32. life orientation assignment

    Give 3 media forms over the same two week period.

    posted on May 26, 2015
  33. sociology

    social class

    posted on April 20, 2015
  34. Human Sexuality

    What my parent told me

    posted on March 8, 2015
  35. math

    90

    posted on February 27, 2015
  36. math

    75

    posted on February 27, 2015
  37. Life science, history, geography, and maths literacy

    What is the value of igneous rocks to humankind

    posted on April 16, 2013
  38. math

    One number is 3 times another. If the sum of their reciprocals is2/9 , find the two numbers.

    posted on October 24, 2012
  39. life orientation

    tuberculosis

    posted on April 1, 2012
  40. Life orientation

    Recommendation

    posted on May 28, 2011
  41. Psycology

    Thank you so much Ms. Sue have a great evening

    posted on April 21, 2010
  42. Psycology

    Most of today’s clinicians believe that personality disorders are important and troubling patterns, yet these disorders are particularly hard to diagnose and easy to misdiagnose. These difficulties indicate serious problems with the validity (accuracy)

    posted on April 21, 2010
  43. Psycology

    javascript:materialLinks('29',%20'psy270r3_chapter_14.pdf',%20'IC-Materials',%20'PSY270R3',%20'ST',%20'True');%20%20%20%20%20%20customTracker('file',%20'Ch.%2014');

    posted on April 21, 2010
  44. Economics

    hi, thank u for ur help. for statistical discrepancy i got 211-201=10 i thought its bifference b/w calculation of GDP and the method of income of factor of production(Labor income+Capital Income+Net income foreigners.. lemme know if im wrong!! thnx again

    posted on September 23, 2008