# Questions Asked onJune 18, 2010

1. ## Calculus

A cylindrical metal can is made to hold 500ml of soup. Determine the dimensions of the can that will minimize the amount of metal required(assume that the top and sides of the can are made from metal of the same thickness

2. ## Economic

1.The most important tool the Fed has to control the money supply is a. changing the federal funds rate. b. changing the required reserve ration. c. open market operations. d. changing the discount rate 2. Banks use their excess reserves to a. make new

3. ## chemistry

what pressure (in atm) is exerted by a column of mercury 1.4O high? The density of mercury is 13.5951 g/cm3.

4. ## physics

A certain spring elongates 9 mm when it is suspended vertically and a block of mass M is hung on it. The natural frequency of this mass-spring system is: a)0.014 b)5.3Hz c)31.8Hz d)181.7Hz e)need to know M please explain the answer....and hope to answer

6. ## american history

what was the name given to the confederate cavalry?

7. ## English

1. It is a quarter past seven. 2. It is a quarter after seven. 3. It is a quart to seven. 4. It is a quarter before seven. (#1 is the same as #2, right? #3 is the same as #4? Why is 'to' used here in #3 instead of 'before'?)

8. ## chemistry

If 20 mL of 0.10 M NaOH are added to 30 mL of 0.20 M HOAc, what is the pH of the resulting solution? (Ka = 1.8 ´ 10-5 for HOAc.)

9. ## algebra

simplify the following radical expression : 4 sqrt (625) a) 25 b) sqrt (25) c) 5 d) no solution exists i think a

10. ## algebra

Simplify: 2 sqrt (3) + 4 sqrt (3) a) 18 b) sqrt (9) c) 8 sqrt (3) d) 6 sqrt (3) d

11. ## american history

how did general U.S grant become famous during the winter of 1861-1862

12. ## Calculus

The position at time t, in seconds of an object moving along a like is s(t)= 3r^3 - 40.5t^2 + 162t fot 0

13. ## Economics

You have opened your own word-processing service. You bought a personal computer, and paid \$5,000 for it. However, due to the cost changes in the computer industry, the current price of an equivalent machine is \$2,500. You could sell any used machine for

14. ## Spanish

How do I say the following numbers in spanish words? 275,000 827 3,900,000 530,000

15. ## economic

1)If the transactions approach to measuring money is used, then the money supply consists of a. transaction deposits only. b. currency, checkable and debitable deposits, and traveler's checks. c. currency and transaction deposits only. d. currency only.

16. ## american history

which union commander was directed to attack the principal confederate army?

17. ## american history

jefferson davis confederacy was facing problems getting ready for the war.what was his major 2 problems?

18. ## Elective Child Daycare Management

1. Which one of the following statements uses language best to present a clear picture of a child's behavior? A. Leslie ran to the door, greeting his mother with open arms. B. Carolyn carried her books to the table. C. Marshall handed the truck to Jacob.

19. ## algebra

Solve: 4 sqrt (x) = 8 + 2 sqrt (x) a) (-4) b) (16) c) none d) (4) c

20. ## algebra

find the midpoint of the segment with endpoints (1/3,-4) and (-2/3,6) a) (-1/3,2) b) (-1/6,1) c) (-1/2,1) d) (1,-1/6)

21. ## college

12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out don't want the answer just want to know how to solve it!

22. ## Math

I am having a problem with this question and need direction.A \$500 8% bond is purchased on Feb. 1,2004 to yield 10% compounded semi-annually. The interest on the bond is payable on Feb. 1 and Aug.1 each year. What is the purchase price if the bond is

23. ## English

1. He is holding a soccer ball between his right arm and his body. 2. The man is wearing a backpack on his back, and the woman is wearing a small bag around her body from her left shoulderto her right waist. 3. He is eating a cereal with milk. In the

24. ## English

1.Drink a lot of water at a time is not good for your health. You need to drink abut five bottles of 2 liter clean water by taking time. 2. He is wearing a soccer uniform. There is Number 9 on his left chest of his clothing. 3. Skipping breakfast is not

25. ## English

What is the meaning of the following lines said in the book or play Macbeth? As whence the sun 'gins his reflection Shipwracking storms and direful thunders break,So from that spring whence comfort seemed to come Discomfort swells. It was said by sergant

26. ## history

I'm stuck on these history questions, and the textbook is not clear on the answer (I hate it when that happens!). I'd really appreciate it if someone could help me ASAP on this as I need to submit this tomorrow (especially Ms. Sue! Please help me out!)

27. ## COM 220

I was looking for help with my research paper on Global warming

28. ## math

predict the volume of the balloon in cubic centimeters at 35% ... justify your answwer

29. ## geometry

how do you construct 3x-2y

30. ## English

1. The new automatic teller machine did not function as expected. 2. The new auto teller machine did not function as expected. 3. The new automated teller machine did not function as expected. (Which expression is grammatical? ATM)

31. ## chemistry

I posted this que before but got no answers pls help me :( A voltaic cell is made by placing an iron electrode in a compartment in which the Fe2+ concentration is 2.0 ´ 10-5 M and by placing a Pt electrode in the other compartment, in which the H+

32. ## math

two fifth of a pole is in the ground 0.125 is in the water and 4.75m is above water-find the length of the pole how can i solve such problem "4.75 m "

33. ## spanish

que tenemos nosotros en la clase

34. ## spanish

(2 people talking to each other) "?Comen tus amigos contigo todos los dias?" "Si,_____ comen conmigo." a. nunca b. por la noche c. siempre d. manana C? There is a line above A in dias and a squiggly line above the first N in manana. Sorry about the

35. ## math

39mg radioactive with 1/2 life is decay total in 2.5 years. How many mg it remain if half of the amount is decay in 2 years? Thank you!

36. ## law

Can you please reveiw my answer and provide me feedback. What tort actions do you see o The identity of potential plaintiffs o The identity of potential defendants and why you see each one as a defendant o The elements of the tort claim that constitute the

37. ## geometry

lengths of diagonals of a rhombus are 12 cm and 16 cm respectively. Find the length of the side of rhombus.

38. ## home economics

what was the meaning of home economics',,,really need to know,,,

39. ## Algebra

Need to get these problems checked-- 31. Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. a. no b. yes, common ratio of 14 c. yes, common ratio of 12 I'm stuck between A and B.. 32. What are the next three terms of

40. ## Math

Probably quite easy but I am stuck :/ 3d+6e

41. ## accounting

If a company sold inventory that had cost 5,000 for 8,000, where would you place these figures on the balance sheet?

42. ## science

a 50kg crate is lifted to a height of 10 meters how much potential energy does the crate have after being lifted?

43. ## english

Can you unscramble this word natcehtnenm

asked by unscamble these following letters natcehtnenm
44. ## che

Pt(s) | H2(g, 1.0 bar) | H+ (pH =?) || Cl -(aq, 1,0mol·L-1)) | AgCl(s) | Ag(s). Como calcular o Ph?

45. ## chemistry

A gas sample occupying a volume of 88.7 mL at a pressure of O.917 atm is allowed to expand at constant temperature until its pressure reaches 0.335 atm. what is its final volume?

46. ## american history

how did the state of west virginia come into existence?

47. ## geometry

Let A = {circle, square} and let B = {3, 4, 5}. Find A X B

48. ## physics

It has been suggested that rotating cylinders about 9 mi long and 6.0 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration

49. ## Math

The park has an area of about 25cm^2 on the map and a map has a scale of 1:15000. calculate the area of the park on the ground. give answer to Km^2

50. ## american history

who was the first union comander that faced the confederates near harpers ferry?

51. ## american history

what was harrisons landing?

52. ## american history

who resigned in november 1861 due to age and physical infirmities?

53. ## american history

what is paper blockade? and ninety day gunboats?

54. ## american history

what successful northen naval victory stongly proved the value of sea power? a.fort donelson b.norfolk c.new orleans d.wilmington

55. ## english

what is the past particle of kneel?

56. ## math

Barges from ports X and Y went to cities A and B. X sent 32 barges and Y sent 8. City A needs 22 barges and B needs 18. Shipping costs \$220 from X to A, \$300 from X to B, \$400 from Y to A, and \$180 from Y to B. \$9280 was spent. How many barges went where?

57. ## physics

the coefficient of kinetic friction between the two blocks shown is 0.26. The surface of the table and the pulleys are frictionless. (b) Determine the magnitude of the acceleration of each block. Find the tension in the strings

58. ## Calculus

"Differentiate x^(x^3)" I can do it when the base is a number, but I'm confused as to how to do it with x as the base.

59. ## math

Justin had 44 dollars before spending n dollars on jeans. How much money remains?

60. ## math

What is 4.38E+01 equal to?

61. ## math

factor 6x^2+17xy+12y^2

62. ## algebra

Find the distance between (2/3,4) and (5/3,7) a) 3.16 b) 4.24 c) 3.46 d) 10 .06

63. ## Algebra--One Quick Question

31. Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. a. no b. yes, common ratio of 14 c. yes, common ratio of 12 B? Thanks -MC

64. ## algebra

Simplify: ( sqrt (2) + sqrt (3) ) ( sqrt (2) - sqrt (3) )? a) 2 - 2 sqrt (6) - 3 b) -1 c) 2 + 2 sqrt (6) - 3 d) 5 i just need to know if my answer or right or wrong. i think the answer is b thanks

65. ## algebra 2

can somebody tell me how I am to solve this problem? x+8)(x-19)(x+3)>0 A. The solution set is {x|___} B. The solution is all real numbers. C. There is no solution.

66. ## Math 117 Algebra

for the following equation, state the value of the discriminant and then describe the nature of the solution 11x^2+4x+18=0 What is the value of the discriminant? Which one is correct? a. the equation has two real solutions b. the equation has two imaginary

67. ## math

3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

68. ## Criminal Justice

write a paper comparing and contrasting the role of the defense counsel with that of the prosecutor. Do you think that the defense council is the same as a defense attorney, I just think that this homework question is kind of vague without a lot of detail

69. ## maths

I'm reviewing for my exams, and I was sure that I was comfortable with solving trigonometric identities, but now that I'm looking at ones on my review, I'm not so sure. Could someone please show me, step by step, how to answer one? [cos^2theta] / [1

70. ## Society

What do you think a good third world city or a major city in a poor developing country would be a good one to write an urbanization report and trends on? I have to have a major city in the country? I just want advice if anyone knows what one would be good

71. ## geometry

IF d equal 18 cm what is the circumference and what is the circumference to the second power.

72. ## Equation

I do not understand this question?? Give five ordered pairs that make each equation true. y = 20 + x/3

73. ## Linear

3x/4 + 6= -12 I know this is a linear equation but how solve it and what technique??

74. ## Algebra

Need to get these checked-- 33. What is the area of a square with the dimension of 1 + sqrt of 2? 9.64 34. A matrix with 5 columns and six rows added to another matrix with 5 columns and 6 rows would result in a matrix with: a. 12 columns and 10 rows b. 5

75. ## COLLEGE ACCOUNTING

Sunset Company uses the periodic inventory method and had the following inventory information available: Units Unit Cost 1/1 Beginning Inventory 200 \$6.20 1/20 Purchase 300 \$6.50 7/25 Purchase 200 \$6.80 10/20 Purchase 300 \$7.00 A physical count of

76. ## Algebra

Is this correct? If not can you please tell me what steps I did wrong? Thanks! The hydrogen ion concentration of milk is about 1.6 x 10^-7 moles per liter. Find the pH. pH = -log [H+] pH = -log[1.6 x 10^-7] pH = -(-7.204119983) pH = 7.2 The pH balance of

77. ## algebra

simplify: sqrt (2)/7 a) sqrt (14) / 7 b) sqrt (7) C) 2 d) sqrt (2)

78. ## English

1. Are you interested in gardening? 2. Not really. 3. Not much. (Is #2 the same as #3 in meaning?)

79. ## college

I need to write five sentences about the role of education in successful financial planning, using different verb tense in each sentence. I need help.

80. ## Physics

Where should most of the mass be for an industrial fly wheel? Why? can't find any thing about this in my book. need help answering this.

81. ## Math help

d=0.005s^2+0.2s where d is the stopping distance in meter and s is the speed in km per hour. use the formula to find the stopping distance when a car is travelling at 70km per hour. my answer is 38.5 is that right.

82. ## Algebra

Need help with this-- 38. Write in decimal notation: 2.34 x 10^6 How would I do this? Can someone please show me all the steps? Thanks -MC

83. ## bussiness

Your boss has asked you to help new employees understand uses of data in systems-operation management and the various statistical process controls they will experience on a daily basis.

84. ## geometry

Find the Pythagorean triple for m = 14

85. ## Science

A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?

86. ## math

how long will it take for \$7600 to double if invested at 4.2%,componded continously

87. ## chem

eon is 1 billion yrs (1x10^9)how long is this in min Assume 1 year=365.25 days

88. ## science

define the following words science?

89. ## chem

57.3 qts how many 25ml vials can they fill ( round to the nearest full vial

90. ## Government/Economics Check

Out of 48 questions I struggled with these. Could someone please check? These are multiple choice questions, so if I'm incorrect I can re evaluate my other choices. 1.) A system of social control under which a particular group has the power to make and

91. ## maths - trigonometry

I have my maths exam on Tuesday and cannot remember how to do trigonometric identities at all. I was so sure, but now I'm not. I asked a similar question earlier, but I still don't quite understand. Please give me step-by-step instructions? [sinx + tanx] /

92. ## chemistry

How much heat is absorbed by the calorimeter if the temperature change is 8 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?

93. ## Government/Economics

Is a Democracy a form of authoritarianism?