# Questions Asked onMarch 19, 2018

1. ## English

1. I have a headache. 2. I have headache. [Can we use both expressions? Which one is commonly used?]

2. ## math

Solve for x and y using elimination ax+by=c bx+ay=c This question has been confusing me for a long time, and I can't seem to find the answer by solving using elimination. Thanks for helping me :)

3. ## English

1. Read and interpreat the whole sentences into Korean one by one on the page﻿. 2. Read each sentence and translate it into Korean on the page. 3. Read one sentence and translate it into Korean. After that read the second sentence and translate it into

4. ## English

1. Step onto the wooden platform in this classroom. 2. Walk toward the raised platform to introduce yourself. 3. Step to the platform and recite the whold sentences in the passage. 4. Come onto the podium and intorduce yourself inclucing your school life.

5. ## Physics

A child slides down a 5.98 m playground slide that makes an angle of 38.0° with the horizontal. The coefficient of kinetic friction between the slide and the child is 0.162. If she starts at the top with a speed of 0.208 m/s, what is her speed (in m/s) at

6. ## English

1. Where is the restroom? 2. Where is a restroom? [Can we use both expression? Do you use only #1? Does the restroom mean the specific restroom? Or is 'the restroom' in generic use? Or does the restroom mean the specific restroom near here, which people

7. ## Math

The first three terms of an arithmetic progression are 2x, x+4 and 2x+7 respectively. Find the value of x. I have no idea where to go from here – any help would be greatly appreciated, thanks in advance!

8. ## Social Studies

The Free-Soil was a precursor of which of the following: 1. Know Nothing Party 2. Whig Party 3. Republican Party 4. Copperhead Party

asked by papa johns pizza
9. ## probability

tell whether the outcome is impossible, unlikely, as likely as not, likely, or certain. Then write the probability in simplest form. choosing a red crayon from a box of 24 different colored crayons, including red crayons. please help. I don't get this.

asked by i really need help!!!!
10. ## science

sally and lisa have identical compact cars sally drives on the freeway with a great speed than lisa. which car has more kinetic energy

11. ## Science

In many plants, leaves and flowers are held above the ground by the stem . Suggest a reason for this.

12. ## science

a 400 kg block of iron is heated from 295 k to 325 k. how much heat is absorbed by the iron? ( the specific heat is 450 j. /kg. k)

13. ## Physics

A cart rolling down an incline for 5.0seconds has a beginning speed of 2.0m/s . What is the final speed?

asked by Nicole Tembo
14. ## Science

What motion causes thermal energy?

asked by mini hulk girl
15. ## Math

To describe a sequence of transformations that map triangle ABC onto triangle ABC a student starts with a reflection over the X axis. how should the student complete sequence of transformations to map triangle ABC onto triangle ABC

16. ## Math

1.Write a rule for the sequence -5,-4,-13,-22 2. Find the next three terms of the sequence -4.-8.-16.-32 3.What is the 9th term in the following sequence 11,17,23,29

asked by Some Random Dude 1
17. ## Math

The grade 12 class at a school consists of 63 learners in the ratio of 4boys to 5 girls. Determine the number of girls in the class

18. ## physics

4 packets of charges are arranged in a circle. Each packet is 90 degrees from each other. Each packet consists of 22 elementary charges associated with the nucleus of two sodium atoms. A test charge is placed in the center of the circle of packets. The

19. ## Science

Plants need bacteria in order to take up and use which element? 1)carbon 2)oxygen 3)nitrogen 4)hydrogen I think #3 Thanks for checking my answer

asked by Jamie M
20. ## science

which igneous rock is mixed with soil and used for starting vegetable seeds

21. ## Social studies

Based on the timeline what can be directly tied to the invention of the cotton gin *cant upload the time line A civil war B economic hardship in the south C the spread of slavery D industrialization in New England *lesson 8 unit 7 Unit test

22. ## physics

4 packets of charges are arranged in a circle. Each packet is 90 degrees from each other. Each packet consists of 22 elementary charges associated with the nucleus of two sodium atoms. A test charge is placed in the center of the circle of packets. The

23. ## Algebra

Mr. Cal Q. Later has a bag of jellybeans. As he walks around the room, he places a few jellybeans on everyone's desk—everyone's, that is, except Leo. On Leo's desk he places the bag with the remaining jellybeans. Here are the numbers: 17: Harumi 14:

24. ## math

Marcella and Ruben bought some party supplies. Marcella bought 3 packages of balloons and 4 packages of favors for \$14.63. Ruben bought 2 packages of balloons and 5 packages of favors for \$16.03. Find the price of a package of balloons.

25. ## Invention

Who was Jiskha invented by? Was it Ms. Sue?

asked by Mr. Market
26. ## math

Which points are on the graph of y=tan x? Select all that apply. (2 answers) a. [4pi/3, sqrt(3)]*** b. [pi/4, -1] c. [pi/6, -sqrt(3)/3] d. [pi/3, sqrt(3)]*** e. [1, -pi/4]

asked by girly girl
27. ## SS

Which of the following was not a commander for the unified Allies? A.) Joseph Stalin B.) Chiang Kai-shek C.) Charles de Gaulle D.) Benito Mussolini Was it B?

28. ## science

imagine an unlit candle what type of energy is represented here? thermal chemical potential mechanical electromatic I think it is thermal am i right if not explain plz

29. ## Science

how does energy transfer from a food chain to an energy pyramid? Please help Im really confused and have no idea what I would do.

asked by Hannah V.
30. ## Math - 6th Grade Integers

Which number can be inserted in the parentheses to make the statement true? -3 1/4 > ( ) A. -3 B. 2 1/2 C. -1 1/2 D. -5 1/3 I think it'd be -5 1/3 because when you're in the negatives the smaller number (Like -3 1/4 in this case) is actually bigger. And

31. ## physics

"If you have an inductor that has an inductive reactance of 125 ohms, on a 60Hz frequency, what would be the inductance in henry's?"

32. ## math

Maude uses 3/4 of her allowance to get a massage for 3/5 of an hour. What fraxction of her allowance would she need to get a massage for a full hour?

33. ## geometry

These polygons are similar but not drawn to scale & Are the two triangles similar how do you know

34. ## physic

"If you have an inductor that is connected to a 36v, 400 Hz circuit with a current of .2 A, what is the inductance of the inductor?"

35. ## physics

A car travels around an unbanked highway curve (radius 0.15 km) at a constant speed of 25 m/s. What is the magnitude of the resultant force acting on the driver, who weighs 0.8kN?

36. ## World History

How and in what ways did Athens’ growing dependence on its navy in the years following the Persian Wars lead to radical changes to the Athenian democracy?

37. ## Social Studies ASAP PLZ

1. Which of the following is the largest ethnic group in China? A. Han ** B. Tibetan C. Uighurs D. Hui 2. How is Xiao most like other Chinese people? A. He has only one brother B. He has chosen to live at home ** C. He works at a factory D. He is an

38. ## Texas History

Compare and contrast the fight for civil rights for Mexican Americans and African Americans. (someone please help)

39. ## Texas History

Describe the factors that led to the urbanization of Texas during and after WWII. (someone please help)

40. ## Math

The graph of f(x), a trigonometric function, and the graph of g(x) = c intersect at n points over the interval 0

41. ## math

3. new flowers are being planted in a circular flower bed with a 14 foot diameter if each flower requires 2 square feet of space about how many flowers can be planted? a.308 flowers b.154 flowers c. 77 flowers d. 66 flowers

asked by j-man lbj
42. ## math

When drawing four cards, where you do NOT replace a card before drawing another card, what is the probability of drawing "four of a kind"? Can you show me the steps.

43. ## Math

If you write the function P=10e^−2t in the form P=P0a^t, then P0= a= .

asked by George Carl
44. ## chemistry

Which of the following would for a buffer if added to 250.0 mL of .150 M SnF2? a).100 mol HCl b).060 mol HCl c).040 mol HCl d).040 mol NaOH e).040 mol HF

45. ## Social Studies help please!!

Explain why Polk was able to win the presidency. What did he campaign in support of? Can someone explain to me please?

asked by that emo girl!
46. ## Math

Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volune? why? (I need help on this)

47. ## science

I need help can someone help me with energy I am horrible at it I have a test coming up and I need to do good. Plz if you can give me info on as many energy forms there are. I don't get energy.

48. ## Math

Just need some help. My teacher likes to throw in advice on each problem, but they confuse me more. On this one he said multiply by 3 since volume is given. I know my formula is V=1/3bh, but does his advice mean multiply the base ×3 and then plug in to my

49. ## geography

which of the following rivers have deltas: mississippi, orinoco, amazon,Nile, Chang Jiang( Yangtze), and Making? Do they all have deltas??

50. ## Calculus - derivatives of e

Find an equation of the tangent line to the graph of y = e^(−x^2) at the point (5, 1/(e^25)). My work: y' = -2xe^(-x^2) y' when x = 5 = -10e^25 y - (1/e^25) = -10e^25 * (x - 5) y = (-10e^25) (x - 5) + (1/e^25) This is incorrect. How?

51. ## Calculus

Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 1, and x = 1 is revolved around the line y = -3 I got the integral from 1 to 2.718 of pi(1)^2-pi(ln(x))^2 Is this correct or is there a

52. ## Math

A cell phone company charges \$0.28 for each text message. Paula plans to spend no more than \$5.00 on text messages next month. Write and solve an inequality to find how many text messages she will be able to send.

53. ## chemistry

What is the pH of a buffer solution that is prepared by treating 600.0 mL of 1.5 M sodium acetate with 240.0 mL of 0.25 M HCl? I tried everything, I have no clue how to start nor what to do; very lost

54. ## Social Studies

Before the arrival of Europeans, Cherokee living in Georgia made their homes from A. large logs arranged in a rectangle. **** B. clay bricks baked in the sun. C. poles wrapped with animal skins. D. woven saplings covered with mud.

55. ## Math

The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of the smaller cone

56. ## math

Write a function rule for the area of a rectangle whose length is 5 ft more than its width. What is the area of the rectangle when its width is 11 ​ft? Write a function for the area A of the rectangle using the independent variable width W.

57. ## Science

How are models limited by our patterns of thought?

58. ## Geography

How do I find the daily rotation of a tire. My tire size diameter is 25 I travel 160 miles per week not sure where to go next

59. ## World History

How was the Peloponnesian war unlike anything previously experienced by the Greeks?

60. ## World History

Who was Pericles, and what role did he play in the process of changing Athenian democracy?

61. ## Math

Write a rule for the function represented by the table. ___________________ Input(x)|0|1|2|3|4| Output(y)|3|6|9|12|15| A. y=3x B. y=3x+3 C. y=5x+1 D. y=x+5 Please help me!!!

62. ## math

robert wanted to buy a computer game that cost \$25 last week. this week when he went back to buy the game, the price was \$35. What was the percent increase of the price?

63. ## Math

2,3,i√13 find the polynomial equation

64. ## English

1. Where is the restroom? 2. Where is a restroom? [Can we use both expression? Do you use only #1? Does the restroom mean the specific restroom? Or is 'the restroom' in generic use? Or does the restroom mean the specific restroom near here, which people

65. ## Social Studies

Why did the Continental Congress have a difficult time funding the Continental Army? A. The central government established under the Articles of Confederation had no power to collect taxes.******* B. The Continental Army had no built up reserve of weapons

66. ## Physics

1. An electric charge moves through an electric field. it accelerates, gaining 100J of energy. The change in electric potential of +10V. What is the magnitude of the charge of the particle? I did 100J/10V to get 10C. 2. If a negative charge of double the

67. ## Chemistry

In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated. a) find the concentrations of all aqueous species in the solution at equilibrium b) find the pH of the solution c) What concentration of HBr would produce a solution with the same pH

68. ## Physics

A pendulum bob of mass m swinging from the end of a light string of length L = 1.89 m. The bob has speed of v0 = 9.42 m/s when the string makes an angle θ0 = 33.9° with the vertical. What is the speed (in m/s) of the bob when it is at its lowest point?

69. ## English

1. He goes to a concert once a week. [ 'a' in 'once a week' means 'per'. Then, what does 'a' in 'a concert' mean? Does the 'a' mean 'one'?]

70. ## chemistry

what is the oxidizer and reducer in this equation? Mg + S ----> MgS Oxidizer :S Reducer: Mg Oxidized: Mg Reduced: Sulfur

71. ## chemistry

N2H4 + O2 ----> What is the correct product for this equation N2 + H2O or NO2 + H2O?? Then, what is the correct oxidizer and reducer? I think oxygen is the oxidizer and nitrogen is the reducer and hydrogen isn't in any of these categories? Thank you!

72. ## history

Which correctly describes the positive impact of European imperialism? Imperialist powers promoted their own interests over the well-being of indigenous peoples. Imperialist powers sought social change through self-government. Imperialist powers provided