Most popular questions and responses by Precious
  1. speech

    traditional african marriage is an advantage for men only not women?

    asked on May 5, 2014
  2. french

    Write a letter to your friend inviting him/her for your birthday party in french

    asked on September 6, 2017
  3. chemistry

    Explain using the dilution formula how to prepare 0.2M HCL acid from 37% HCL acid

    asked on March 25, 2016
  4. Science Physics

    On the surface of the Moon an astronaut has a weight of Fg = 120 N. The radius of the Moon is Rm = 1.74 x 106 m, the gravitational constant is G = 6.67 x 10-11 N m2kg2 and the mass of the Moon is Mm = 7.35 x 1022 kg. Solve numerically for the mass of the

    asked on October 9, 2014
  5. Chemistry

    1. What happens if our calorimeter is not properly insulated..what effect will it have on our calculated specific heat capacity I.e too large, too small or no effect....explain. 2. If our partner forgot to cover the coffee cup calorimeter while the

    asked on November 18, 2014
  6. physics

    A faulty Celsius thermometer read 0.7degrees Celsius at melting point of pure ice and 99.5degrees Celsius at boiling point of water at normal pressure. What is the correct temperature when it reads 30 degrees Celsius

    asked on August 5, 2017
  7. unique national comprehensive college

    Physics: an elastic cord can be stretched to its elastic limit by a load of 2N.if a 35cm length of the cord is extended 0.6cm by force of 0.5N,what will be the length of the cord when the stretching force is 2.5N?

    asked on June 12, 2015
  8. Chemistry

    How would you prepare pure dry crystals of pottasium trioxonitrate (v) ?.

    asked on June 9, 2014
  9. social studies

    I am one of the United States' most famous attractions. I am 279 milies (449 km) long and 1 mile (1.6 km) deep. People come from all over to hike in and around me.

    asked on May 21, 2010
  10. READ THIS!!

    I have a question what are the rules here because i saw and heard people getting banned from here and im not trying to get banned and whos in charge of banning people and why do people get banned? im just kinda knew here to this website and im scared i

    asked on November 8, 2018
  11. chemistry

    calculate the mass of silver deposited when a current of 3ampere is passed through a solution of a silver salt for 7minutes

    asked on September 7, 2016
  12. speech

    traditional african marriage is an advantage for men only not women,?

    asked on May 5, 2014
  13. math

    the perimeter of a isosceles triangle is 28cm with side 4y=6y-2x+1 and base x+2y in cm, find x and y and state the length of the side of the triangle.

    asked on January 6, 2017
  14. Physics

    A bomb dropped from a balloon reaches the ground in 30seconds .determine the height of the balloon if it is at rest in the air and if it is ascending with a speed of 100m/sec when the balloon is dropped

    asked on October 9, 2018
  15. Life science

    Briefly describe the path way and processes of ingestion,digestion,absorption and assimilation involved when a person has eaten a buttered polony sandwitch

    asked on May 16, 2019
  16. math

    The sum of 18 terms of an A.P is 504 while the sum of its 9 terms is -126.Find the sum of its 30 term

    asked on November 20, 2018
  17. chemistry

    Explain using dilution formula how to prepare 0.2M hcl acid from 37% concentrated hcl acid

    asked on March 26, 2016
  18. Mechanics_physics

    A soccer player kicked a ball at an angle of 37 degrees to the horizontal.if the range covered by the ball is 240.3m; calculate (a) The initial velocity of projection ? (b) The time of flight (c) The maximum height attained

    asked on January 4, 2013
  19. maths

    A person has R200,000 invested, part at 9% and part at 8%. If the total yearly income from the two investments is R17200, how much is invested at 9% and how much at 8%?

    asked on February 28, 2017
  20. chemistry

    How many joules of heat energy are required to raise the temperature of 20 grams of water by 50°C?

    asked on May 6, 2019
  21. Math 3 questions

    1: 5/8 - (-2/8) 2: -9/10 -2/5 3: 6 3/5 - (-2 1/5)

    asked on November 2, 2018
  22. Careers

    types of careers I can get..?

    asked on August 3, 2019
  23. life orientation

    Six suggestion on how to combat the violation of human rights identified by you in the previous question and indicate any organization

    asked on April 28, 2016
  24. Physics II

    find the pressure at the bottom of a vessel 76cm deep when filled with a) water b)mercury (sp.g. 13.6)

    asked on February 1, 2017
  25. chemistry

    mass number for hydrogen,sodium and chlorine????

    asked on October 30, 2018
  26. Physics

    A machine of velocity ratio 5,an effort 500N was applied,efficiency 80%,determine the load

    asked on August 8, 2019
  27. maths,agricultur;life science,business

    identify three courses or study fields you are interestedin following after grd12.write them down in order of preference.provide 2 reasons why you find this a suitable course for each choice

    asked on March 16, 2016
  28. Life orientation

    what roles and responsibilities do the media have in reporting human rights violation in a responsible manner

    asked on May 19, 2019
  29. Fundulwazi(mathematical literacy, CAT, Economics and Accounting )

    what career can i follow with these subjects? (Mathematical Literary, Economics, Accounting and CAT)

    asked on August 10, 2015
  30. life orientation

    WHAT human rights violation that taken place in your community??

    asked on April 22, 2019
  31. Maths

    If A,B and C are three sets,each having a finite number of element,find the value of N(AuB)n (AuC) from the following information,N(AuBuC)=100,N(AnBnC)=10,N(AuBuC)=25,N(AnB)=N(BnC)=15,N(A)=N(C)=2(n(B)

    asked on September 11, 2019
  32. Math

    The charge for telephone calls T,is partly constant and partly varies with the number n of units of call.The bill for 580 units of call is #900, while the bill for 310 units is #500.a.obtain the charge per unit of call.b find a formula for T.

    asked on August 28, 2019
  33. Industrial Psychological Research

    what is the proportion of students with a raw score less than 10? if information was collected from fellow students the rating on a 5 point scale on 5 different questions. given a normally distributed population with a mean of 13, a standard deviation of

    asked on September 23, 2014
  34. chemistry

    write half reaction for KMnO4 and (COMM)2 and balance the equation.calculate the atomic mass of M in14.0g/dm3 of solution

    asked on September 21, 2014
  35. Math

    I dont know how to solve this problem and i dont get it. Can someone explain to me how to solve this problem? (im not trying to cheat). -7/9 * 3/5

    asked on November 8, 2018
  36. Chemistry

    The standard electrode potentials for zn/zn and cu/cu are -0.76v and 0.34v respectively at 298k.calculate the free energy change when a zinc rod is dip into a zinc tetraoxosulphate(vi) solution and a copper rod is dip into a copper(ii)tetraoxosulphate(vi)

    asked on November 7, 2018
  37. Mathematics

    Find the number such that when 3/4 of it is added 3 1/2 the sum is the same way as when 2/3 of it is subtracted from 6 1/2.

    asked on October 26, 2018
  38. Math

    A boy 1.5m tall is 15m away from a hut 24m high.what is the angle of elevation of the top of the hut

    asked on May 16, 2019
  39. Physics

    Help imediately please very urgent! A stone is dropped from a cliff 200m high,if a second stone is thrown vertically upwards 1.50sec after the first was released,strike the base of the cliff at the same in stant as the first stone,with what velocity was

    asked on January 4, 2013
  40. composition wri

    write a composition for Nigeria

    asked on June 9, 2019
  41. Physics

    A box is sliding down a frictionless plane inclined at an angle of 30° width the horizontal. What is the acceleration of the box?

    asked on September 10, 2014
  42. Geography

    Examine how each of the following are responsible for road accidents and propose practical solutions by the community : Competence of the drivers Substance abuse Pedestrians Cyclists Livestock

    asked on August 29, 2019
  43. government

    discuss the contributing factors that lead to xenophobia.

    asked on October 6, 2019
  44. Math

    A triangular pyramid measured 10cm by 7cm has a height of 11cm.calculate to the nearest whole number 1)total surface area 2)volume

    asked on May 7, 2019
  45. chemistry

    Explain using the dilution formula how to prepare 0.2m HCL acid from 37% HCL acid

    asked on March 25, 2016
  46. math

    What is -3 1/5 + (-6 1/2) ?

    asked on November 2, 2018
  47. math

    Find the c.d if the 28th term of an arithmetic progression is -5 and the first term is 31

    asked on October 6, 2019
  48. physics

    what is a pane progressive plane

    asked on April 26, 2019
  49. Life orientation

    Ways to address the example of human right violation

    asked on April 25, 2019
  50. life orientation

    show the link between intrapersonal conflict and intiating relationship

    asked on March 21, 2015
  51. Physical sciences

    A factory siren emits a sound at 900hz.what frequency will be heard by the driver of a car traveling at 100km.h away from the factory?

    asked on April 16, 2014
  52. TRIG Help help help test tommarow

    A TV tower stands on top of the Empire State building. From a point (on the ground) 1150 feet from the base of the building, the angle of elevation to the top of the TV tower is 52 degrees. If the building is 1250 feet tall, what is the length of the TV

    asked on May 22, 2013
  53. mechanics- physics

    An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron

    asked on January 6, 2013
  54. chemistry

    Why are standard solutions of reductants less often used for titrations than solutions of oxidants?

    asked on July 13, 2011
  55. Math

    -4/7 * 4/5

    asked on November 5, 2018
  56. physic

    two force10n and20n are inclined at an angle 60 degree to each.find the resultant forces are now made to be inclined at120degree to each other,find the magnitude of the new resultant force

    asked on October 3, 2016
  57. physic

    a car travels 3.0km due south and then4.0km west what is lt's displacememt from the starting point

    asked on October 3, 2016
  58. math

    what is -1/2 +1/3

    asked on November 2, 2018
  59. Edward Phatudi

    Am doing physical science.geography and maths lit i want to know which career can i do

    asked on July 2, 2014
  60. Math

    a woman looking out from a window of a building at a height of 30meters observed that the angle of depression of a flag pole was 44°. if the foot of the pole is 25meters from the foot of the building from the same horizontal, find (a) correct to the

    asked on January 1, 2018
  61. physics

    a flying bat emits squeaks of frequency 80 kHz.if a stationary observer hears the frequency of the squeaks as 78kHz,is the bat moving towards or away from the observer?determine the speed at which the bat is flying.

    asked on May 28, 2014
  62. tx, history

    give three examples of how humans effect geography.

    asked on September 25, 2011
  63. Accounting

    *I don't know where to begin, please HELP* Use the following adjusted trial balance of Webb Trucking Company to prepare a classified balance sheet as of December 31, 2005. Account Title Debit Credit Cash . . . . $ 7,000 AR . . . . . 16,500 Office Supply

    asked on February 25, 2009
  64. physics

    a rope attached to a sledge make an angle of 40% with the ground calculate the tension in rope required to produce a horizontal component of 100N

    asked on October 7, 2018
  65. english

    does African marriage is an advantage for men only not women

    asked on April 23, 2016
  66. mechanics- physics

    An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron

    asked on January 6, 2013
  67. life orientation

    describe five sentences the importance of mananging ones finances.

    asked on July 23, 2012
  68. maths

    Meaning of sets

    asked on January 21, 2019
  69. RATIO

    out of 60 fruits in a bag,45 are mangoes and the rest are oranges. what is the ratio of oranges to mangoes.

    asked on May 10, 2016
  70. further maths

    the first 3 terms of an AP are x, 2x+1 and 5x-1. find x and the sum of the first 10 terms

    asked on February 23, 2016
  71. life orientations

    suggest 5 recommendations on how to address the pollution

    asked on May 1, 2012
  72. math

    In a quiz competition of60 competitors 24drank Cocacola 25 drank fanta while 22 drank maltina. 6 drank cacacola and fanta and 5drank fanta and maltina.if a number of competitors drank the 3types of soft drink and 5did not drink any of them.draw a Venn

    asked on February 7, 2017
  73. chemistry

    what mass of zinc dissolved in dilute HCL will produce 0.15g of hydrogen ? can you explain the steps to sloving this question please

    asked on April 15, 2015
  74. mechanics - physics

    A bullet of mass 3.0g moving at 500m/!@#$%^&s a tree and pierced 20cm into the trunk of the tree.what is the resistimg force offered by the tree?

    asked on January 5, 2013
  75. research&writing

    Due Week 2 and worth 100 points Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very

    asked on January 9, 2012
  76. Physics

    Determine the mass of 0.5m^3 of aluminum with relative density of 2.70.

    asked on January 31, 2017
  77. physic

    two sorces of resultant100N are perpendicular to each other.if one of them makes angle60degree with the resultant calculate the magnitude of the force

    asked on October 3, 2016
  78. life orientation

    critically discuss 8 way in which the environmental problem impact on the within your community or any other community within south africa or globally

    asked on April 19, 2012
  79. maths

    a triangle is equal to a rectangle which measures 10cm by9cm. if the base of the triangle is 12cm long,find its altitude

    asked on May 21, 2018
  80. Physics II

    1.given 30 m^3 of helium at 15 degree c and 1.0x10^5 Pa, determine the volume at -6 degree c and 5.6x10^4 Pa 2. if a mass of gas occupies 500 l at 16 degree c and 10^5 Pa,determine the volume at 38 degree c and 1.7x10^5 Pa. 3. Calculate the final

    asked on February 1, 2017
  81. Maths

    A.12 multiplied by(8+15)/14. B. 34.87 multiplied by 0.01. ms sue pls help.

    asked on October 10, 2016
  82. maths

    Two places on the same meridian have latitudes 10 degree south and 53 degree north. What is their distance apart measured along the meridian?(radius of the earth R=6400km,pi=22/7)

    asked on September 11, 2015
  83. chemistry

    What is brownian motionand example

    asked on January 11, 2015
  84. home econs

    what are the factors to consider when making a stitch

    asked on February 13, 2014
  85. Mechanics _ physics

    A uniform bar 1m long is pivoted at the centre has a mass of 3kg. It is acted upon by a conquer which cause to possess an angular acceleration of 6rad/sec^2; calculate a. The moment of inertia of the bar b. The torque on the bar

    asked on February 14, 2013
  86. Mechanics

    Find the moment L about a perpendicular axis through the rod at a distance L/3 from the centre of mass.

    asked on February 14, 2013
  87. physics

    if a car moving 180km/h reduces to 72km, what is the percentage change in kinetic energy?

    asked on January 9, 2013
  88. mechanics_ physics

    1.20kg mass is dropped from a height of 0.9M unto a spring with force constant K= 120N/m and negligible mass. Find the maximum distance the spring will compressed pls show full working and indicate formular.

    asked on January 6, 2013
  89. Algebra 2

    Solve the system y=-4x+4 y=-x-5 show work

    asked on January 31, 2012
  90. Accounting

    The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices,

    asked on February 19, 2009
  91. Essay

    The economy has changed everything that we have become accustomed to, such as the way we spend our money. We make choices that meet our standards in budgeting the income we receive. Adjusting to situations that are beyond our control forces us to rethink

    asked on July 25, 2008
  92. Writing Skills--Essay

    The economy has changed everything that we have become accustomed to, such as the way we spend our money. We make choices that meet our standards in budgeting the income we receive. Adjusting to situations that are beyond our control forces us to rethink

    asked on July 25, 2008
  93. Writing Skills--Essay

    People are changing everyday because of the changes in this world. The economy changes everything that we have become accustomed to,like the way we spend our money, and the choice to become adjustable to whatever the situation is. I use to buy over three

    asked on July 21, 2008
  94. maths

    solve the following equations: 3x-4y=-24 x+y=-1

    asked on March 1, 2017
  95. Physics II

    the velocity of water in a 4 cm diameter pipe is 2.0m/s.what is the velocity in a 2cm diameter pipe which connects with it,both pipes flowing full?

    asked on February 1, 2017
  96. Geography

    The Ratio of boys to girls was 3 to 7. If there were 40 more girls boys in 2016 how many boys were enrolled that year?

    asked on November 1, 2016
  97. Government

    3 examples of a nation

    asked on October 12, 2016
  98. Maths

    How many litres of water fills a tank whise internal dimensions are 2.5m by 20m by 1.5m

    asked on July 27, 2016
  99. Science

    A force of 650N is acting upwards and a force of 850N is acting downwards along the same line,state the magnitude and direction of the resultant force and the equilibrant force

    asked on February 10, 2014
  100. Mechanics _ physics

    A wheel rotating with an angular velocity of 16rad/sec is slowed to an angular velocity of 4rad/sec by an angular acceleration of 2rad/sec^2.find a. The angle turned in the process of slowing down b. The time required

    asked on February 14, 2013


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