# 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. ## 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

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?

8. ## Chemistry

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

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.

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

11. ## chemistry

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

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.

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

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

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

17. ## chemistry

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

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

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

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

21. ## Math 3 questions

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

22. ## Careers

types of careers I can get..?

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. ## Physics II

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

25. ## chemistry

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

26. ## Physics

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

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. ## Life orientation

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

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

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

30. ## life orientation

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

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)

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.

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

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

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

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)

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.

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

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

40. ## composition wri

write a composition for Nigeria

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?

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

43. ## government

discuss the contributing factors that lead to xenophobia.

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

45. ## chemistry

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

46. ## math

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

47. ## math

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

48. ## physics

what is a pane progressive plane

49. ## Life orientation

Ways to address the example of human right violation

50. ## life orientation

show the link between intrapersonal conflict and intiating relationship

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?

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

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

54. ## chemistry

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

-4/7 * 4/5

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

57. ## physic

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

58. ## math

what is -1/2 +1/3

59. ## Edward Phatudi

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

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

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.

62. ## tx, history

give three examples of how humans effect geography.

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

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

65. ## english

does African marriage is an advantage for men only not women

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

67. ## life orientation

describe five sentences the importance of mananging ones finances.

68. ## maths

Meaning of sets

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.

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

71. ## life orientations

suggest 5 recommendations on how to address the pollution

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

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

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?

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

76. ## Physics

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

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

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

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

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

81. ## Maths

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

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)

83. ## chemistry

What is brownian motionand example

84. ## home econs

what are the factors to consider when making a stitch

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

86. ## Mechanics

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

87. ## physics

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

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.

89. ## Algebra 2

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

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,

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

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

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

94. ## maths

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

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?

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?

97. ## Government

3 examples of a nation

98. ## Maths

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

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