# Questions Asked onMay 17, 2010

1. ## english

in 300 words write an essay on the nigeria my country

2. ## Geometry

A circle has a radius of 6 inches. The circumscribed equilateral triangle will have an area of:?

3. ## General Chemistry

Cinnamic alcohol is used mainly in perfurmery, particularly in soaps and cosmetics. Its molecular formula is C9H10O. a. Calculate the percent composition by masss of C, H, and O in cinnamic alcohol. b. How many molecules of cinnamic alchol, not acid ,are

4. ## Geometry

What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC?

Why did Grok jump up and down the first time he saw a variable in algerbra class?

6. ## Geometry

Two similar polygons have areas of 50 and 100 sq. in. What is the ratio of the length of a pair of corresponding sides?

7. ## math

in a shipment of 20 computers, 3 are defective three computers are randomly selected and tested. what is the probability that all 3 are defective if the first and second ones are not replaced after being tested. a. 1/760 b.1/1140 c.27/8000 d.3/5000 i chose

8. ## math

i have more than one question so if u no any of the answers please tell me 1.) write the point-slope form of the equation of the line with slope -2 passing through the point ( -5, -9). 2.) write the point-slope form of an equation of the line through the

9. ## Chemistry

Two moles of a nonelectrolyte solute are dissolved in 1 kg of an unknown solvent. The solution freezes at 7.8 degrees Celsius below its normal freezing point. What is the molal freezing point constant of the unknown solvent? What is your prediction for the

10. ## holt physics

a 90.0 kg person stands 1.00 m from a 60.0 kg person sitting on a bench nearby. what is the magnitude of the gravitalional force between them?

11. ## Physics

A scaffold of mass 60 kg and length 5.0 m is supported in a horizontal position by a vertical cable at each end.A painter of mass 80 kg stands at a point 1.5 m from one end. (a)Find the tension in the cable nearer to the painter. (b)Calculate the tension

12. ## Physics

A satellite orbits the earth at a distance of 10,000 miles from the earth's center. At this distance the force of gravity on the satellite is 90lbs. What would the force on the satellite be if the distance were 5000 miles instead? At what distance from the

13. ## math/geometry

A pentagon with the a perimeter of 45 feet , what is the area

14. ## Geometry

The sides of a quadrilateral are 3, 4, 5, and 6. What is the length of the shortest side of a similar quadrilateral whose area is 9 times as great?

15. ## Geometry

What is the ratio of the area of triangle XBY to the area of the triangle ABC for the given measurements, if XY is similar to AC, and XY=2 and AC=3

16. ## mathematics

if a circle has a radius of 6 inches,what will the area of the circumscribed equilateral triangle be?

17. ## Geometry

A circle has a radius of 6 in. The inscribed equilateral triangle will have an area of: ?

18. ## US history

how do you explain some americans fears over the international trade agreement?

19. ## Chemistry

why is it important for company manufacturing vinegar to regularly check the molarity of its product?

20. ## Chemistry

1) Write a balanced chemical equation for the reaction between Cu(NO3)2 * 3 H2O and NaOH. Underline the formula for the precipitate produced by this reaction. (The water of hydration in Cu(NO3)2 * 3 H2O appears as liquid water on the right side of the

21. ## Geometry

What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measuremnts, if XYis similar to AC, and BY=2 and BC=4?

22. ## math

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

23. ## Chemistry

What is the length of a string that has a standing wave with four nodes (including those at the ends) and lambda = 24 {\rm cm}

24. ## Chemistry

Use molar volume to solve the following problems at STP. Find the volume mL occupied by 0.400 mole He. Find the number of grams of neon contained in 10.2 L Ne gas

25. ## algebra

use the zero product property to solve (x-2)(x+9)=0

26. ## Algebra II

A hill is inclined 15 degrees to the horizontal. A 40-foot pole stands at the top of the hill. How long a rope will it take to reach from the top of the pole to a point 68 feet downhill from the base of the pole?

27. ## math

i was given a math brain teaser can you help me with it.here it goes. NOMMAG TAILR RIALT AIRTL TLRIA a circle with the word DOM in it KNEE UR FULL OF CHOICE X 3 abcdefghijkmnopqrstuvwxyz thats all of them help me please

28. ## plz check my math ._.

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

29. ## math

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

30. ## General Chemistry

Calculate the number of C atoms, H atoms, and O atoms, in 1.50 grams of glucose (C6H1206).

31. ## physics

An object with a height of 42 cm is placed 1.6 m in front of a concave mirror with a focal length of 0.45 m. Find the location and magnification of the image produced by the mirror, using the mirror and magnification equations.

32. ## US history

what role did the moral majority play in the conservative movement of the 1970s and early 1980?

33. ## US history

how do you explain some americans fears over the international trade agreement? who was negatively affected by the changes in the economy and what negative effects they suffer?

34. ## managerial economics

1. Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver 1 Left 0,0

35. ## Stats

[1.5%] TWO SAMPLE HYPOTHESIS TEST FOR PROPORTION: Before starting his campaign for mayor, Mr. Emory Board decided to do a study to see if there was a difference in the proportion of registered men and women voters who actually vote (so he would know whom

36. ## Geometry

One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in which the corresponding side is 9 inches?

37. ## Geometry

What is he ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC, and BY=3, YC=2 ?

38. ## Geometry

Is this true or false? Two similar hexagons have area 36 square inches and 64 square inches. The ratio of a pair of corresponding sides is 9/16.

39. ## Algebra II

A hill is inclined 15 degrees to the horizontal. A 40-foot pole stands at the top of the hill. How long a rope will it take to reach from the top of the pole to a point 68 feet downhill from the base of the pole?

40. ## science

an iron ball at 40 degree celsius is dropped in a mug containing water at 40 degree celsius what happens?

A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer. Management charges higher nightly

42. ## algebra

each week, mandy's algebra teacher gives a 10 point math quiz. after 5 weeks, mandy has earned a total of 36 points for an average of 7.2 points per quiz. she would like to raise her average to 9 points. on how many quizzes must she score 10 points in

43. ## management

Explain at least three ethical issues within todays business environment that affect your community and organization

44. ## chemistry

If the rate of a reaction doubles for every 10 C rise in temperature, how much faster does the reaction proceed at 45 C than at 25 C? Please help, thanks a lot!

45. ## General Chemistry

Calculate the number of C atoms, H atoms, and O atoms, in 1.50 grams of glucose (C6H1206). I do not understand how to calculate this. Please explain and post the correct answers.

46. ## Physics

What three things are required to produce voltage? These three things are the fundamentals of how an electrical generator works.

47. ## Physics

Suppose that a steel hoop could be constructed to fit just around the earth's equator at a temperature of 20.0 Celsius. What would be the thickness of space between the hoop and the earth if the temperature of the hoop were increased by 0.200 C? Use

48. ## chemistry

Which of the following rate laws suggests that the reaction probably occurs in a single step? why is this problem cant be answer a since it has order of 1 a)(CH3)3CBr + OH- →(CH3)3COH + Br- rate = k[(CH3)3CBr] b)NO(g) + O2(g) → NO2(g) + O(g) rate =

49. ## chemistry

How much heat does calcium oxide produce when dissolved in water?

50. ## English

IN THE BOOK OF SHAKESPEARE NAMED ROMEO AND JULIET. in act3 scene 1, which character seem to want peace and which one seem to want to fight most? What does mercutio mean when he says,''I have it, and soundly, too.Your houses''(scene1, line 104)? what

51. ## Algebra II

An airplane leaves airport A and flies 200 km. At this time its bearing from Airport B, 250 km to the west, is 120 degrees. How far is the airplane from B?

52. ## spanish

i can not seem to answer these questions in the proper format please help me ¿Qué estación sigue al invierno? i put Después de el invierno viene la primavera. ¿En qué estación empiezan las clases? i put En agosto va mucha gente a la playa. ¿En qué

53. ## math

The shortest side of a polygon of area 196 square inches is 4 inches long. What is the area of a similar polygon whose shortest side is 8 inches long?

54. ## Chemistry

An air bubble has a volume of 0.500 L at 26 Celsius. If the pressure does not change, what is the volume, in liters, at -14 Celsius? If the pressure does not change, what is the volume, in liters, at 600 k?

55. ## Geometry

The shortest side of a polygon of area 196 square inches is 4 inches long. What is the area of a similar polygon whose shortest side is 8 inches long?

56. ## Chemistry

It takes bromine vapor 4.73 min to effuse through a pinhole of a container. How long will it take CH4 gas to effuse under the same temperature and pressure? Okay so, I tried using Graham's law for this problem. Rate A was 4.73. Molar Mass of bromine was

57. ## English

They ran out of oil. They ran out of food. They ran out of rice. They ran out of money. They ran out of pens. He ran out of paper. He ran out of grocery. The food is running out. The oil is running out. The rice is running out. His money is running out.

58. ## Algebra II

An airplane leaves airport A and flies 200 km. At this time its bearing from Airport B, 250 km to the west, is 120 degrees. How far is the airplane from B?

59. ## General Chemistry

Cinnamic alcohol is used mainly in perfurmery, particularly in soaps and cosmetics. Its molecular formula is C9H10O. a. Calculate the percent composition by masss of C, H, and O in cinnamic alcohol. b. How many molecules of cinnamic alchol are contained in

60. ## college

how do you calculate molar concentration for 1.50g NaCl in 100.00mL of solution?

61. ## Chemistry

1) Write a balanced chemical equation for the reaction between Cu(NO3)2 * 3 H2O and NaOH. Underline the formula for the precipitate produced by this reaction. (The water of hydration in Cu(NO3)2 * 3 H2O appears as liquid water on the right side of the

Ineed help with the synonyms and antonyms ex. perfect, frawless is this an antonym or synonym?

63. ## Chemistry

I have troubles with a titration of NaOH and HCl. The volume of the HCl is 30 ml and its concentration is 0.1 mol per liter The volume of the NaOH is 25 ml and the concentration is to be worked out. I understand that the reaction ratio for HCl to

64. ## physics

consider an electron near the equator. in which direction does it tend to deflect by the magnetic field of the earth if its velocity is directed a.northward

65. ## Algebra

The circumference,y, of a circle varies directly with the diameter,x, of the circle. Write an equation if y=44cm when x=14cm.

66. ## physics

A row of six 1 N wooden blocks is being pushed across a tabletop at a constant speed by a tow tractor that exerts a force of 1.3 N on the row. What is the coeffiecient of kinetic friction between the wooden blocks and the tabletop?

67. ## Stats

[1.5%] ANOVA: Three groups of 5 students were tested in their ability to correctly answer a 10-question quiz under different formats. Group 1 had a True/False quiz, Group 2 had a Fill-In quiz, and Group 3 had a Multiple Choice quiz. Their scores were as

68. ## Chemistry

I'm having a lot of trouble balancing this chemical equation: Fe(NO3)3(aq) + KSCN(aq) → KNO3(aq) + FeSCN2+(aq) Also, I'm not even sure if the equation is right... Help is appreciated, thanks

69. ## Accounting

Mr. jones intends to retire in 20 years at the age of 65. As yet he has not provided for retirement income, and he wants to set up a perodic savings plan to do this. If he makes equal annual payments into a savings account that pays 4 percent interest per

70. ## social studies

Describe the geography of southern South American and howhis geography influeces economic activity?

71. ## Chemistry

Calculate the molar masses of copper (II) nitrate trihydrate and of the precipitate formed by this reaction. Are these steps right? Molar mass of Copper: (Cu 2+) 63.55 Molar mass of Nitrate: (NO3 -) 62.01 Copper(II) Nitrate Formula = Cu(No3)2 Molar Mass of

72. ## mathematics

using a graph plot the following points: point 1 (1,0), point 2 (1,-1), point 3( 1,-2), point 4(2,-2)draw lines to connect from point 1 to point 3 to point 4, the lines you have just drawn most resemble which of the following letters of the alphabet? x, o,

73. ## ELA

How do you diagram the sentence 'Raise your hand if you can hear the music.' Please diagram it for me!

asked by Ishana Mishti Aapke Babe
74. ## Social studies

How has he Suez Canel been a catalyst for nationalism in Egypt?

75. ## science

how much heat does calcium oxide produce when dissolved in water?

76. ## math

I am a number less than 250 and greater than 245.I have 7 ones. What number am I?

77. ## trinomial

I need this answer. Which trinomial is a perfect square trinomial? A.)X^2-4x+10 B.)x^2+6x+9 C.)x^22x-4

78. ## ELA

Do you diagram it like this. Sentence: Raise your hand if you can hear the music. __You__|__raise__|__hand__ :_if_ \your : __You__|__can_hear__|__music__ \the

asked by Ishana Mishti Aapke Babe

80. ## Calculus

Let OP be any vector with direction angles theta, beta, and gama. Explain why cos^2theta + cos^2beta + cos^2gama = 1

81. ## english

i am writing a compare/contrast essay on love vs. infatuation and need a thesis statement. any thoughts?

82. ## College Chemistry

My professor gave us two homework questions that are a bit confusing, can you help me to get started on them. 1) You have 6g of water (Kf=1.86 C kg/mol). You add and dissolve 2.1 g of a different unknown substance. The freezing point of the solution is

84. ## Chemistry

In which pair(s) would boiling occur? (Each pair corresponds to one row of the table) a. 760 {mm,Hg} 700 {mm, Hg} b. 480 {torr} 480 {mm, Hg} c. 1.20 {atm} 912 {mm, Hg} d. 1020{mm,Hg} 760 {mm, Hg} e. 740 {torr} 1.00 {atm}

Can you describe some situations in which you would have liked to exchange information between Excel and some other applications? What are these applications, and why was such an exchange desirable? How might such exchanges make your work faster, more

86. ## Algebra

All all zeros for the following function f(x)= x5- 10x4 + 23x3 +56x2 -290x + 300

87. ## intermidate algebra

Solve each equadratic equation by factoring. 6^2-13x-28 36-13x-28 -13x=-36+28 x=64/13 check this, correct if wrong

bryan berg built an 83-story house of cards in 1995. he used 27,000 playing cards to accomplish this feat. at this same rate, about how many cards would it take to build a 100-story house of cards?

90. ## Algebra

Write an equation of the line satisfying the given conditions. Vertical line through (6, -6)

165. ## Chem

f the molecular mass for a chemical is 352.04 g/mol and the enthalpy of formation is -2137 kJ/mol, the heat change will be ______ kJ when 10.0 g of this chemical is formed.

166. ## math

what is a reciprocal number?

167. ## statistics

Why are measures of variability essential to inferential statistics?

168. ## Psychology

Where can I find information on how our culture, defines our relationships?

169. ## Math

what is a set? what are these domain stuff thingy? i am unable to undestand the concept behind this......pls help

170. ## math

Find value of x in triangle, given measurements are 76degrees and 71degrees

171. ## Algerbra

y varies directly as x, and y=20 when x=5

The websites are confusing! Can someone please explain what a revenue variance is? I want to do my homework for a spreadsheet I downloaded. I just need the definition, please.

173. ## physics

In 2003, New Zealand households consumed a total of 153.6E+15 J of energy (the largest amount of any sector in the New Zealand economy). How many days would it take for the sun to put that amount of energy onto a region 20.0 km by 20.0 km (0.15 percent of

174. ## math

6xsquared = 23x+18

Is this anwser right 1,2,9,28,49

176. ## algebra

solve by factoring b squared-7b-18=0

177. ## African American 1930's

During Christmas dinner (1930's), did African American's have a limited supply of dishes, (African Americans who had to work in the fields)? Could you name some dishes they had?

178. ## biology

how important are test crosses to modern day science (breeding or cultivation)

179. ## religion

how is marriage a way of living agape love? how are relationships life giving?

180. ## trigggggg

find, to the nearest minute, the solution set of 4 cos x + 5 = 6 sec x over the domain 0 degrees

181. ## visual basic

a routine that puts a series of strings or numbers in order is called a.......?

182. ## visual basic

notes in a program which explain what the program is doing are called......?

183. ## poetry

I need help to think of 3 more lines to finish this poem. "Dashing trough the streets of Toy, Greeks with swords, and not one coy, Wooden horse was brought within, --------------------------------- ---------------------------------

184. ## english

what is the value of a word

185. ## US history

why did president reagan and bus think it was important to appoint conservative justices to the supreme court?

186. ## phi 105 introduction to philosophy

writing an pesuasive, formal letter to a specific european pholosopher can you give me an example of one of your so that I can see what am doing wrong on mines

187. ## Stats

[1%] CHI SQUARE TEST OF INDEPENDENCE: Of a sample of 80 single and married women surveyed, we obtained the following data as to the sizes of cars each one owns (assuming 1 car per person). Test whether car size is independent of marital status at the .01

what is the circumference of a circle that has a diameter of 8 m

189. ## math

choose the one option that gives the total number of krypton particles produced up to and including the eight stage. A.2^6 B.2^7 C.8^2 D.2(2^8-1) E.2^8-1 F.(2^8-1)/2

y=1/2x=1/2

191. ## algebra

Could someone please just basically describe how to solve rational equations? I don't understand them. :(

192. ## Math

Find the LCM of 29 and 116.

193. ## english

i am writing a compare/contrast essay on love vs. infatuation and need a thesis statement. any thoughts?

194. ## traci

Give the slope and the y-intercept for the line represented by the equation. 3) y = -1

195. ## math

3 1/2 - = - p 3 p=? (type the whole number or a simplified fraction)

196. ## English

What is the difference between 'battery' and 'cell'?

197. ## biology

how important a test cross in morda

198. ## biology

what are examples of something that diffuses ? what is something that contains amino acids?

199. ## trig

Find, to the nearest degree, the solution set of 3sin^2x = 5 cosx+1 over the demain {x|0 degrees < or = to x which is < 360 degrees}

200. ## Geometry

what are the dimensions of two cylinders where the first cylinder has a greater surface area and the second cylinder has a greater volume?

201. ## mathematics

the coordinates of the center of the hole in the paper are _____________.

202. ## Philosophy

What is the connection between habit and moral character?Is a bad habit indicative of bad moral character or are habits, by definition, more objective in scope?

203. ## algebra

how would you solve the follwing equation? (2c/c-4)-2=(4/c+5)

204. ## intermidate algebra

6^2-13x=-5 6^2-13x=-5 6^2=13x-5 I have tried this problem so much what am doing wrong.

205. ## math

8x^3+125 (2x)^3+(5)^3 (2x+3)(5x^2-6x+25) check this for me

206. ## geometry

whats 4 to the second power minus 49

207. ## biology

what experiment can be used to investigate what is causing bruises on crops after harvesting?

208. ## math

Show the solutions of the two examples given: (a) If a = 4, b = 3, and A = 36o. (b) If a = 3, b = 4, and A = 48.59o.

209. ## mathematics

the coordinates of the center of the hole in the paper are _____________.

210. ## qlgebra

3 3/20 divided (-1 4/5)

211. ## space

Which planet number are we?

s.s- who was the president when a 2 party system emerged?