# aman

Most popular questions and responses by aman
1. ## stats

To estimate the mean score  of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about

2. ## Chemistry

The normality of 0.3 M phosphorus acid (H3PO3) is.......

3. ## Physics

A placekicker kicks a football at an angle of 60°. At what angle will the football hit the ground.

4. ## math

A normal clock loses 3 minutes per hr and another clock gains 5 min per hr. How many hours after from now, both the clocks will show the correct time simultaneously?

5. ## Math: Geometric Progression

Three numbers are in G.P. whose sum is 70. if the extremes be each multiplied by 4 and the means by 5, they will be in AP. find the numbers .

6. ## Chemistry stoch1

Calculate mass of iron, which will be converted into (Fe3O4) by the action of 18g of steam on it.

7. ## science

a train is moving along a horizontal track. A pendulum suspended from the roof makes an angle 4 degree with the vertical. obtain the acceleration of train?

8. ## physics

WHEN TWO BODIES A AND B INTERACT WITH EACH OTHER,A EXERTS a FORCE OF 10 N ON B,TOWARDS EAST.WHAT IS THE FORCE EXERTED BY B ON A?

9. ## Chemistry stochimetry2

The volume strength of 1.5 N H2O2 is.......

10. ## physics

In thrill machine rides at amusement parks ,there can be an acceleration of 3g or more .But without head rests ,acceleration like this would not be safe.think why not?

11. ## Physics

Two blocks of mass 3kg and 2 kg are jointed with a massless and inextensible string. If breaking tension of string is 10N find the maximum horizontal force with two blocks can be pulled on the surface.

12. ## Maths

In triangle ABC if angle A-B =42degree and angle B-C =21degree .Find the measures of angles A,B and C

13. ## Math

Consider the graph given above. Add an edge so the resulting graph has an Euler trail (without repeating an existing edge). Now give an Euler trail through the graph with this new edge by listing the vertices in the order visited.

14. ## Physics

1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive x-axis. Vector is 4.00 units in length and points along the negative y-axis.Use

15. ## maths

BM and CN are perpendicular to a line passing through the vertex A of a triangle ABC. IF L is the mid point of BC. PROVE THAT,LM=LN

16. ## math

A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040 bacteria. (a) Express the population after t hours as a function of t. this is what i put as my answer but i guess its not right do i

17. ## chemistry

what mass of carbon, in grams, can be consumed by 44 g oxygen in in combustion to give carbon monoxide/ what mass of CO is produced?

18. ## Chemistry

Calculate the molarity of 1 lit solution of 93% H2SO4 by weight by volume even the density of solution is 1.84 g/ml

19. ## physics

what is the effect on the speed of a fighter plane chasing another when it opens fire?what happens to the speed of pursuid plan when it returns the fire?

20. ## math

If a room were 2m longer and 3m broader its area would have increased by 16 sq m. if its were 1 metre shorter and 2m broader . the area would have increased by 16 sq m. find its lenght and breadth ?

21. ## physics

An atom is normally electrically neutral .Why then should an alpha particle be deflected by the atom under any circumstances?

22. ## Science

Two balls of equal masses roll with velocities v and 4v,respectively .What is the ratio of their Kinetic Energies?

23. ## Chemistry

An aqueous solution is 1.33 molality in method determine the amount fraction of methenal and water

24. ## physics

which will be more effective in knocking a bear down (a)A RUBER BULLET OR (b)a lead bullet of the same momentum.

25. ## real no

Prime factors of 23150 . It is unique

26. ## Geometry

D is the mid-point of side AB of the triangle ABC, E is mid-point of CD and F is mid-point of AE. Prove that: Area (triangle AFD) =Area (triangle ABC).

27. ## Chemistry

The molarity of amonia in aqueous solution is 11.8 mole/dmc calculate the amount of fraction of amonia in solution density of solution is 0.916 g/cc

28. ## Commerse

What is the difference between private and public sector bank

29. ## math

Find the weight of led pipe is 3.5 m long if the external diameter of pipe is 2.4 cm and the thickness of led is 2mm and 1cm cube of the leg width is 4g

30. ## Chemistry, stochiometry2

The no. Of moles of KMnO4 that will be needed to react with one mole of sulphite ion in acidic solution is.......

31. ## Chem Urgent

Volume of stock solution a. 5.0mL b.10.0mL c.15.0mL d.20.0mL Prepare 25mL of each of the four different dilute solution Concentration of stock- 1.01E-5 Calculate molarity for a,b,c,d Molarity=m1V1/V2 for a would the answer be 2.02E6?????

32. ## geometry

construct a triangle ABC where AB=8.5 and BC=6.2.

33. ## arithmetic

if tanx+cotx=2 then the value of tan^5x + cot^10x is

34. ## Math

Responding back as requested: This is all I was provided Solve the folowing system of linear inequalities by graphing. x + 2y is less than or equal to 3 2x - 3y is less than or equal to 6 I would change the inequality into slope intercept form and treat it

35. ## physics

boy weighting 30 kg is riding a bicycle weighting 50 kilograms if the bycycle is moving at a speed of 90 kilometres per hour towards the west find the linear momentum of the bycycle boy system in s i units

36. ## math

If f(x)=5cos(2ln(x)), find f'(x). My answer is (-5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is correct please!

37. ## maths

Prove that, H^2=P^2+B^2

38. ## Physics

A car is running at a speed of 100km/h if brake is applied how much ditance will it cover before stopping from point where brake is applied ? How

39. ## science

Whar are two longest wavelength in frequency 1kghz and 200kghz

40. ## Science

Name the two forms of oxygen element found in atmosphere. Which one among them grievuing depleted?state and explain the reason?

41. ## english

Similarities between The Storm by Mcknight & Once upon a time by Nadine Gordimer?

42. ## algebra

Find the angles between the following pairs of vectors (1)3i+2j-6k,4i-3j+k (2)2i-3j+k,3i-j-2k

43. ## Algebra

(a+b)whole square = ?

44. ## algebra

find the pair of parallel lines 1)-12y+15x=4 2)4y=-5x-4 3)15x=12y=-4

45. ## English 12

David Suzuki uses examples that include his daughters. Why do you think he does this? Support your answer by incorporating a quotation into your response.

46. ## Math

I have been asked to solve the following system of linear inequalities by graphing. I tried replacing with various numbers but even though the they work in the equations my graphs change from consistent to inconsistent. Please help.

47. ## Maths

Diameter and length of a roller are 84 cm and 120 CM respectively in how many revolutions can the roller level the playground of area 1584 m square

48. ## Algebra

Find the a-b if a =3 and b =5

49. ## Physics

What would happen when a dipole is placed in uniform electric field making an angle theta with the direction of electric field ?

50. ## algebra

which of the following lines is not parallel y=2x=1 1)4x-2y=-4 2)2y-x=-4 3)y-2x=6 4)2x-y=-4

51. ## statistics

from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft. respectively, a sample of 100 bars is taken. if the sample mean is 4.2 ft., can the sample be called a truely random sample?

52. ## equation inequality and graph

(9x+5)(x-3)=0

53. ## algebra

Find the angles between the following pairs of vectors (1)3i+2j-6k,4i-3j+k (2)2i-3j+k,3i-j-2k

54. ## physics

Why does cross sectional area of a liquid stream reduces while falling vertically??

55. ## PHYSICS

An electric dipole has its dipole moment paligned with a uniform external electric field E(a)Is the equalibrium stable or unstable ?(b)Discuss the nature of the equilibrium if Pand E point in opposite directions?

56. ## physics

If an electron is localized in space ,its momentum becoms uncertain.If it is localized in time ,its energy becomes uncertain.explain this statement.

57. ## uni physics

A balloon of radius 30.0 cm is sprayed with a metallic coating so that the surface is conducting. A charge of 8.85×10−8 C is placed on the surface. What is the potential on the balloon's surface? 2.65×10^3 V Suppose that the some air is let out of the

58. ## Algebra

(62+15)+38=62+(15+38)

59. ## Math

d/e for d = -6 and e= 3

60. ## Chemistry

The maximum molecular mass ............ Atoms.

61. ## History

what are the related phases of revolutionary development until 1781 For the American Revolution and 1795 for the French Revolution?

62. ## physics

what is reason for saturation current in reversed biased diodes

63. ## maths

5 m : 140 cm = ???????? ratio and proportion 5 m is 500cm. Does that help?

64. ## maths

G is the centroid of triangle ABC, prove that AB^2+BC^2+CA^2=3(AG^2+BG^2+CG^2)

65. ## science

interpret the number of moles of oxygen atoms in po3- 4

5[2(8+5)-15]

8(5+30/5)

-30/(-5)

69. ## math

which of the following lines is not parallel to y=2x+1 1)4x-2y=-4 2)2y-x=4 3)y-2x=6 4)2x-y=4

70. ## math

find the pair own parallel lines 1)-12y+15x=-4 2)4y=-5x-4 3)15+12y=-4

71. ## math

which of the following equations has a graph that is parallel to the graph of 4x-2y=7? 1)4x+2y=2 2)-2y=4x+2 3)7-4x=2y 4)2y=4x+7 5)-4x-2y=-7

72. ## English

A paragraph described your experiences regarding the arrival of new year

73. ## science

what is black hole form?

74. ## Chem

How would I prepare 25mL each of the dilute solutions of 5mL, 10mL and 20mL and is it possible to dilute it too much?

75. ## Math

(a+b)whole square = ?

76. ## GNC Sirsa

6x+y-3z=5. x+3y-2z=5. 2x+y+4z=8

77. ## Math

(A+b) for a=and b=-8

2x+3=15

1. ## math (combination)

Idk

posted on November 28, 2019

posted on September 29, 2019
3. ## biology

They are both disease causing

posted on July 15, 2019
4. ## Math

posted on June 15, 2019
5. ## language

nope

posted on March 7, 2019
6. ## language

c

posted on March 7, 2019
7. ## university of ghana

I WANT TO RESPONSE ASSIYNMENT QUESTION

posted on December 29, 2018
8. ## Physics

its wrong

posted on November 19, 2018
9. ## chemistry

how can find mass in gram

posted on November 8, 2018
10. ## Pre Cal 12

hi, how did you go from 36=x(12-2x)(8-2x) to 9=x(6-x)(4-x)?

posted on September 24, 2018
11. ## English

you tell me

posted on July 26, 2018
12. ## maths

10

posted on April 5, 2018
13. ## maths

22

posted on December 27, 2017
14. ## math

10.83

posted on November 25, 2017
15. ## trig

1-4cos2x+cos4x/8=sin4x

posted on November 15, 2017
16. ## finance

15000

posted on October 19, 2017
17. ## math

i dont know i have the same ques\tion

posted on October 16, 2017
18. ## math

17

posted on September 10, 2017
19. ## Geometry

d is the mid point so according to theorm 8.9 we can solve it

posted on November 2, 2016
20. ## physics

1425m

posted on October 4, 2016
21. ## Geometry

37,53

posted on June 24, 2016
22. ## Maths

85

posted on June 11, 2016