# precious

Most popular questions and responses by precious

2. ## french

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

3. ## chemistry

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

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

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

6. ## 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?

7. ## 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

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

9. ## Chemistry

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

11. ## 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.

12. ## 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.

13. ## chemistry

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

14. ## 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

15. ## 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

16. ## chemistry

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

17. ## Math 3 questions

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

18. ## 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

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%?

20. ## chemistry

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

21. ## chemistry

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

22. ## Physics II

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

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

24. ## 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

25. ## Life orientation

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

26. ## life orientation

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

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

28. ## 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

29. ## 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)

30. ## 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.

31. ## 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

32. ## Fundulwazi(mathematical literacy, CAT, Economics and Accounting )

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

33. ## math

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

34. ## composition wri

write a composition for Nigeria

35. ## 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

36. ## 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?

37. ## 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

38. ## Life orientation

Ways to address the example of human right violation

-4/7 * 4/5

40. ## life orientation

show the link between intrapersonal conflict and intiating relationship

41. ## physics

what is a pane progressive plane

42. ## math

what is -1/2 +1/3

43. ## chemistry

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

44. ## Edward Phatudi

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

45. ## 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

46. ## 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

47. ## 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

48. ## chemistry

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

49. ## english

does African marriage is an advantage for men only not women

50. ## maths

Meaning of sets

51. ## 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

52. ## physic

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

53. ## 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.

54. ## 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

55. ## 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

56. ## tx, history

give three examples of how humans effect geography.

57. ## 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

58. ## chemistry

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

59. ## 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?

60. ## 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

61. ## maths

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

62. ## RATIO

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

63. ## 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

64. ## 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

65. ## life orientation

describe five sentences the importance of mananging ones finances.

66. ## life orientations

suggest 5 recommendations on how to address the pollution

67. ## 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?

68. ## 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

69. ## 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

70. ## 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

71. ## Mechanics

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

72. ## 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.

73. ## Algebra 2

Determine the solution to the system y≤x+6 2x+y≤-6 show work

74. ## 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

75. ## 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

76. ## maths

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

77. ## 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

78. ## 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?

79. ## mathematics

Between which two successive intergers do the following irrational numbers lie? A.√167 B.^3√80 which irrational numbera lies between 5and6?

80. ## mugwazeni

IAm doing grade 10 and my subject are;history ,geography and economics so I want to know what kind of work am I going to work

81. ## Heat Energy

A container holds 3kg of water at 25 degree celcius. If 0.5kg of iron at 80 degree celcius is added to the water in the contain. What is the? (i) final temperature of the container. (ii) Quantity of heat gained by water

82. ## Mechanics

What is Viscosity

83. ## Mechanics

What is Viscosity

84. ## Mechanics

What is Viscosity

85. ## Mechanics_physics

An argon atom has a mass of 6.64 x 10kg has 5.5 x 108J of kinetic energy. At what velocity is it moving.?

86. ## 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

87. ## 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.

88. ## 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?

89. ## Mechanics - physics

A car of mass 400kg moving initial at 36km/h increases to 120km/h in 6sec, what is the force acting on the car?

90. ## Life Orientation

In which ways does air pollution impact on communities within South Africa

91. ## Algebra 2

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

13x+6y=41

93. ## 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,

94. ## Essay

This is the edited version! 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

95. ## Essay

I have corrected the spelling errors, please help me become a better writer! 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

96. ## 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

97. ## essay

I was wondering if anyone can provide a essay topic? Then I can post it and you tell me what u think.

98. ## Accounting 102

Turner and Isham agreed to form a partnership. Turner contributed \$ 200,000 in cash, and Isham contributed assets with a fair market value of \$ 400,000. The partnership, in its initial year, reported net income of \$ 120,000. Assume that the partnership

99. ## 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