# Precious

Popular questions and responses by Precious
1. ## 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.

2. ## french

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

3. ## Mathematics

If a figure shows a cylindrical casting of height 8cm and external and internal diameters 9cm and 5cm respectively. Calculate the volume of metal in the casting

5. ## 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.

6. ## Chemistry

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

7. ## Math

calculate the values of a, A and C in ABC given that b=17.23cm, c=10.86cm and B= 10115degree

8. ## 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

9. ## chemistry

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

10. ## 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

11. ## 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

12. ## 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

13. ## 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%?

14. ## 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

15. ## 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?

16. ## 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

17. ## Math

4xsquare-9ysquare=19, 2x+3y=1

18. ## 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.

19. ## 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

20. ## 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?

21. ## Mechanics

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

22. ## science

A boy of mass 10 kg runs up a set of step of total height 3 meters what is the work done against gravity

23. ## Mathematics

What is the value of x and y in the geometrical progression 5,x,y,-5/8.

24. ## Chemistry

.Balance the chemical equation given: zinc oxide+ sulphuric (vi) acid

25. ## Math

The speed of a point A due to the rotation of the Earth is twice that of a point B.If A is on latitude 22 degree North, calculate the latitude of B.

26. ## 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.

27. ## Life orientation

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

28. ## 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

29. ## 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

30. ## 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

31. ## maths

429.07/214 ms sue pls help me out

32. ## RATIO

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

33. ## chemistry

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

34. ## 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

35. ## 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

36. ## Mechanics

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

37. ## Mechanics

An areoplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.how large a torque is required to give it angular acceleration of 20rad/sec^2

38. ## Mechanics

An aeroplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.How large a torque is required to give it angular acceleration of 20rad/sec^2

39. ## Mechanics

An aeroplane propeller has a 100kg and radius of gyration of 0.6cm.find its moment of inertia.How large a torque is required to give it angular acceleration of 20rad/sec^2

40. ## 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

41. ## tx, history

give three examples of how humans effect geography.

13x+6y=41

43. ## chemistry

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

44. ## com. 140

What kind of unwanted reactions might you encounter when trying to convince the business committee to except your proposal for a new service?

45. ## Basic science

A man of mass 90kg is moving on a constant velocity. He has a kinetic energy of 2205joules. Calculate his velocity

46. ## Math

-4x-2y=-12 4x+8y=-24 Solve by elimination And i need a solution

47. ## Math

The quantity A is partly constant and partly varies as the square of B (A) write down the relationship between A and B, if a and b are constant when A=13,B=2 and when A=23 and B=3 (B) find the vale of B when A=55

48. ## government

discuss the contributing factors that lead to xenophobia.

49. ## math

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

50. ## 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)

51. ## 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

52. ## Physics

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

53. ## Careers

types of careers I can get..?

54. ## composition wri

write a composition for Nigeria

55. ## 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

56. ## chemistry

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

57. ## physics

what is a pane progressive plane

58. ## Life orientation

Ways to address the example of human right violation

59. ## life orientation

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

60. ## maths

Meaning of sets

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

62. ## 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

63. ## 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)

-4/7 * 4/5

65. ## Math 3 questions

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

66. ## math

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

67. ## math

what is -1/2 +1/3

68. ## chemistry

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

69. ## 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.

70. ## maths

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

71. ## maths

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

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. ## 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

74. ## Physics II

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

75. ## Physics II

find the velocity of escape of water through a small opening in a broiler where the pressure is 10^6 Pa above atmospheric pressure, assumed h1=h2 and v1=0

76. ## 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?

77. ## Physics

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

78. ## Math

Karen wanted to find out how much waster was used when taking a bath and when taking a show. Karen found the dimensions of the tub filled with enough water to take a bath was 1.7 meters x 1 meters x 0.46meters and that the shower uses 5075 liters per

79. ## 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?

80. ## Math

In triangle ABC, measure of angle A is equal to 30 degrees, AC is equal to 4 and AB is equal to 3 square root of 3. Find BC

81. ## Government

1.Define a state &nation.2.10 examples of a states outside Nigeria.

82. ## Government

3 examples of a nation

83. ## Government

1a.Define a state b.a nation 2 .Give 10 example of a state and 3 example of a country.help me out ms sue

84. ## Maths

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

85. ## Maths

429.07/214. 429.07 multiplied by 100=4290700/214=20050. am i correct

429.07/214

87. ## 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

88. ## 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

89. ## physic

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

90. ## chemistry

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

91. ## Maths

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

92. ## life orientation

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

93. ## life orientation

I want to know about 3human rights violations

94. ## life orientation

Identity human rights violation or discrimination

95. ## english

does African marriage is an advantage for men only not women

96. ## chemistry

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

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

98. ## mathematics

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

99. ## maths

between which two successive interger do the following irrational numbers lie? A.√167 B.^3√80