# Questions Asked onFebruary 11, 2018

1. ## History

What impact did the collapse of the Napoleonic Empire have on Europe? The collapse of Napoleon's empire promoted international trade and led to the rise of the European Union The fall of Napoleon and the spread of ideas from the French Revolution led to a

2. ## History

What impact did the Battle of Waterloo have on the world? The defeat of Napoleon promoted Nationalism in Italy and the unification of the territory Great Britain became the world's sole superpower after the defeat of Napoleon France's territorial control

3. ## Maths

Mrs jasmine Invested \$4000 in a building society which paid simple interest at a rate of 7.25% per annum to its investors. After 2 years, the rate was increased to 7.6% per annum. Find the amount she had T the end of 7 years

4. ## Science/Astronomy

Choose a time period from history. Which one of the four solstice/equinoxes would have been the most important to this time period? Why?

asked by student that needs help asap
5. ## Math

A density graph for all of the possible temperatures from 60 degrees to 260 degrees can be used to find which of the following? a. The probability of a temperature from 90 degrees to 180 degrees b.The probability of a temperature from 30 degrees to 180

6. ## physics

A child of mass 20.2 kg takes a ride on an irregularly curved slide of height 6.12 m. The child starts from rest at the top. The acceleration of gravity is 9.8 m/s2 . If a frictional force acts on the child, what is the magnitude of the mechanical energy

7. ## Chem

How many grams of Cl are in 365 g of CaCl2?

8. ## math

Determine whether a figure with the given vertices is a parallelogram. Use the method indicated. A(3, − 9), B(10, 1), C(4, 10), D(−9, 3); Distance and Slope Formulas

9. ## science

How do the Sun, Earth, and Moon depend on each other?

10. ## Opt math

A flagstaff is placed one corner of a level rectangular playground 40m and 30m wide. If the angle of elevation of the top of the flagstaff from the opposite corner of the ground is 45°.calculate the height of the flagstaff.

11. ## PHYSICS

The fundamental frequency of a standing wave on a 1.0 m long string is 440 Hz. What would be the wave speed of a pulse moving along the string

12. ## chem

drawing Lewis structure 1. NH2 || CH3-CH2-CH2-CH-CH2-CH3 2. O || CH3-CH2_C-CH2-CH2-OCH2-CH circle around the hydrophilic regions in each structure that

13. ## History

1. Which of the following is true about the Puget Sound Lowlands? A. This region is scarcely populated and is mostly covered with protected lands and wildlife. B. It is the driest region in Washington with fewer than 22 inches of rainfall a year. C. The

14. ## Chemistry

Lead(II) chromate (PbCrO4) is used as a yellow pigment to designate traffic lanes, but has been banned from house paint because of the potential for lead poisoning. The compound is produced from chromite (FeCr2O4), an ore of chromium: FeCr2O4 + K2CO3 + O2

15. ## Physics

What is the magnitude of the electric field at a point midway between a −8.3μC and a +5.4μC charge 10cm apart? Assume no other charges are nearby.

16. ## Math

A density graph for all of the possible times from 50 seconds to 200 seconds can be used to find which of the following? A. The probability of a time from 75 seconds to 250 seconds B. The probability of a time from 75 seconds to 150 seconds C. The

17. ## math

find all pairs of three-digit numbers such that reversing the order of the digits of one number gives the second number, and where the two numbers add up to 969

18. ## Enlish

Which of the following sentences contains a correlative conjunction? A. Scotland may vote to break away from the United Kingdom, or it will remain within the union. B. Either Maria will pick up the birthday cake, or her brother Shawn will stop by the

19. ## Chem

A reaction of 48.5 g of Na and 53.7 g of Br2 yields 55.4 g of NaBr. What is the percent yield? 2Na(s)+Br2(g)--->2NaBr(s)

20. ## Formatting text on Jiskha

I saw a post by Ms. Sue 8 years ago where she used bold text. I'm quite curious how we can do that!

21. ## Physic

A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

22. ## math

13/6-11/15x=0.15 x=

23. ## math

0.25x-7/6=7/3 x=

24. ## physical sciences

dertimine the magnitudes of the tensions t1 and t2

25. ## Math calculus 2

Find the volume of the solid obtained by revolving the region bounded by y=22*x−22*(x^2) and the x-axis around the x-axis.

26. ## Enlish

In revising his essay, Silvio realizes that there are some paragraphs in which the topic sentence doesn't support the thesis. What can he do to correct this? A. Add transitions where needed B. Revise his thesis to include all the points made by the

27. ## Physics

reword each statement about friction to make it true. For very small objects, the friction from the object to the surface is less than the friction from the surface to the object. If the mass of an object increases, the kinetic friction on the object will

28. ## physics

Somebody please shows me how to solve for b) and c)step by step. I found a)=2.27s but stuck there. A 1.49-kg particle initially at rest and at the origin of an x-y coordinate system is subjected to a time-dependent force of F(t) = (4.00ti − 8.00j) Nwith

29. ## Calculus

Let (a, b) be any point on the graph of Prove that the area of the triangle formed by the tangent through (a, b) and the coordinate axes is 2. This is the solution from the solution manual The coordinates of the point are (a,1/a). The slope of the tangent

30. ## Calculus

What do you think the appropriate limit is of this sequence? 0.7, 0.72, 0.727, 0.7272,... The answer my textbook gives is 27/99. I have no idea how they got that answer. How do I solve this question?

31. ## Chem

Suppose that 16.07 mL of 0.0512 M NaOH were required to titrate a sample of unknown acid. How many moles of NaOH were used? Assuming that the unknown acid sample in question 1 had a mass of 0.177 g, what is the molar mass of the unknown acid?

32. ## chemistry (need help)

From the standpoint of solutions what processes lead to rainfall or other forms of atmospheric precipitation? I don't know because I understand they water cycle but this doesn't really have much to do with from the standpoint of solutions.

33. ## physics

A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

34. ## math

1) If 9 and 12 each divide Q without remainder, which of the following must Q divide without remainder? A)1 B)3 C)36 D)72 E)The answer can't be determined from the given info ^I got B 2) If mn does not equal 0, then 1/n^2 times (m^5n^3/m^3)^2 A)mn^4

35. ## AP Chemistry

Determine a pH range for which a buffer system containing benzoic acid would be appropriate. Devise a recipe for preparing 1.0 L of buffer solution that contains a total of 0.150 mol of buffer components (acid plus conjugate base) and has a pH of 4.48. The

36. ## Astronomy

What would you say is the strongest force in our universe: the Sun, the Moon, or Earth? Support your answer with at least two facts.

asked by student that needs help asap
37. ## Chemistry

How many grams of Na2SO3 (Sodium Sulfite) must be added to 225 mL of 0.0777 M sulfurous acid (H2SO3) to prepare a buffer at pH = 7.4000? H2SO3 has a pKa1 = 1.857 and pKa2 = 7.172.

38. ## math

Ms Johnson gives one eighth of a pizza to each of her 24 students. Write a multiplication expression and a pictorial representation

39. ## chemistry

If delta G (Gibbs) is positive and you are trying to find at what temperature the reaction is spontaneous would the formula be: T< H/S ? G=H-TS H-TS>0 T< H/S then the temperature found would be the temp at which the reaction is spontaneous?

40. ## Chemistry

What volume of concentrated sulfuric acid (20% weight/weight, density = 1.14) is needed to prepare 1 L of a 0.5 N solution of sulfuric acid?

41. ## Biology

Describe the various shapes of bacteria HELLPP I NEED ANSWER QUICK ENGLISH BAD

42. ## English

Hi Can someone please help me for an introduction on the topic of Gods existence being real . so Far all i have is God's existence has been an ongoing debate probably for centuries.

43. ## Social Studies

I am tired of fighting . . . It is cold and we have no blankets. The little children are freezing to death. My people, some of them, have run away to the hills and have no blankets, no food. No one knows where they are—perhaps freezing to death. I want

44. ## chem

How many moles of N are in 0.223 g of N2O? I have tried the answers 0.01508 but it is wrong I dont know what I am doing incorrectly plz help Thank You

45. ## English

Is it possible to be both a rebel and a conformist? or neither a rebel nor a conformist?

46. ## MATH

how do I get to the answer 2.49 from (2.279x^2)^2 +(5.096x)^2 = 19^2? x = 2.49

47. ## math

Solve the problem by making up an equation. A child is 12 years old, and his father is 32 years older. In how many years will the age of the father be 3 times the age of the child? Just tell me the equation.

7/x=12/14 x=

3/x=x/12 x=

50. ## physics

1) The figure below shows the position of a particle versus time, with each line on the vertical axis representing 4.6 m. Find the average velocities for the time intervals a, b, c, and d indicated in the figure. 1. ___________ m/s (time interval a) 2)

51. ## math

144/25=x/5 x=

52. ## math

5/9 divided by x=15/4 x=

53. ## math

11/2+0.6x=16 x=

54. ## math

A salvage ship's sonar locates wreckage at a 12 angle of depression. A driver is lowered 40m to the ocean floor. How far does the driver need to walk along the ocean floor to the wreckage?

55. ## math

A salvage ship's sonar locates wreckage at a 12 angle of depression. A driver is lowered 40m to the ocean floor. How far does the driver need to walk along the ocean floor to the wreckage? draw a picture

56. ## Maths

Factorise 8x^2 - 1/8

57. ## Physics

An iceberg has specific weight of 9000 N/m^3 in n ocean, which has a specific weight of 1000 N/m^3. Above the water surface, it was observed that a volume of 2800 m^3 of the iceberg protruded. Determine the volume of the iceberg below the free surface of

58. ## English

in the book: One flew over the cuckoo's nest What is McMurphy's type of conflict?

59. ## Math

A small rug is 36 inch. long. It's width is 2/3 of it's length. What is the width of the rug in feet?

60. ## Physics

How much work is done when a force of 70.1 N moves an object a distance of 64.4 m?

61. ## Math

Yin's average call lasted 3.25 minutes. How much did an average call cost? (Background info: cellphone plan: 30 a month.)

62. ## Calculus

Find all points of intersection (r,theta) of the curves r=4cos(theta), r=1sin(theta). Next find the area inclosed in the intersection of the two graphs.

63. ## math

An L-shaped concrete slab being prepared for the foundation of a new house is made up of two rectangles with dimensions 3 m by 2 m and 10 m by 6 m. a) Find the total area of the concrete slab. Total area = (3*2) + (10*6) = 66m^2 b) If two bags of cement

64. ## English

does this sentence make sense? He had to leave the park soon because he left his three cars' engines running.

65. ## pre-calculus

A pilot wishes to fly on course 290 with an air speed of 300 knots when the wind blows from 224 at 18 knots. Find the drift angle to the nearest hundredth of a degree.

66. ## physics

A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

67. ## Enlish

In which of the following sentences does the use of prepositional phrases make it harder for readers to find the main point of the sentence? A. The senator chose to run on a platform that cut taxes for the wealthy. B. In what way is a political group

68. ## AP Chemistry

How many g of C2H5NH3Cl will be needed to combine with 4.7 g of C2H5NH2 to produce 0.250 L of buffer solution at a pH of 10.00? I can do this problem with mL and M but not w/out

69. ## biology

1. We share certain cells with other animals. In birds, these cells are formed in the bursa of Fabricius. Name these cells. 2. Differentiate between plasma and serum. 3. State the different proportions (in %) that each neutrophil is present in the blood.

70. ## math

Given the set of vertices, determine whether parallelogram ABCD is a rhombus, a rectangle, or a square. List all that apply. A(5, 10), B(4, 10), C(4, 9), D(5, 9)

71. ## English

I was ask to write an essay about Nigeria a United Country in not less than 400.

72. ## math

How do you construct a segment that is the square root of 7 inches long since there are no two numbers that you can add together that equal 7 that have equal square. Would one side of the triangle equal 2 and the other the square root of 9?

73. ## English

How do I write my life story? My teacher said it should be atleast 2 pages long telling my life story and how I got to this school. I really don’t feel comfortable sharing personal details so how do I make it less specific? Is there some sort of template