# Questions Asked onAugust 8, 2010

1. ## statistics

In a contest in which 8 contestants are entered, in how many ways can the 5 distinct prizes be awarded?

2. ## Word problems

Jenny can shovel snow from her driveway in 60 minutes. Tom can do the same job in 55 minutes. How long would it take both of them together to shovel the drivway if they worked together. I am coming up with 28 minutes.. is this correct or is it in fraction

3. ## Chemistry

Wh does the blue color of Iodine disapear when amylose reacts with saliva? I had thought it was because Amylase in saliva will replace the I2 in the amylose coil and thus removes the color, but I got it wrong. I know it has to be connected to the Amylase

4. ## Chemistry

Determine the total number of electrons transferred in the following balanced reaction. 4 MnO4– (aq) + 12 H3O+ (aq) → 4 Mn2+ (aq) + 5 O2 (g) + 18 H2O (g)

5. ## Math

You have a wire that is 35 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The other piece will be bent into the shape of a circle. Let A represent the total area of the square and the circle. What is the

6. ## Math

my salary next year will be at leaast 28000 use x as the variable , translate to a inequality

7. ## Math

6x-4 - 5x ¡Ý 10 can anyone help the quiz is due today it is week 4 mml quiz thank you please help me I need to paas this class to graduate

8. ## math

what is the y and x intercept for -4x + y = 3 help please thank you in advance

9. ## math

Please help me I am confused on this math problem. solve. y/8-8/y=0 what are the solutions? Wouldn't they be 0?

10. ## finance

Leggio Corporation issued 20-year, 7% annual coupon bonds at their par value of \$1,000 one year ago. Today, the market interest rate on these bonds has dropped to 6%. What is the new price of the bonds, given that they now have 19 years to maturity

11. ## Chemistry

Calculate the cell potential for the electrochemical cell consisting of Ag metal in a 0.500 M AgNO3 solution and Fe metal in a 3.0 M Fe(NO3)3 solution.

12. ## Chemistry

Calculate ΔG at 298 K for the electrochemical cell consisting of Au metal in a 0.00500 M Au(NO3)3 solution and Cu metal in a 0.950 M Cu(NO3)2 solution.

13. ## managerial

The demand curve for haircuts at Terry Bernard's Hair Design is P=20-0.20Q where Q is the number of cuts per week and P is the price of a haircut. Terry is condering raising her price above the current price of \$15. Terry is unwilling to raise price if the

14. ## chemistry

calculate volume of co2 produced by combustion of 40 ml of acetone in presence of excess oxygen?

15. ## chemistry

3CS2 + 6 NaOH==> 2 Na2CS3 + Na2CO3 + 3 H2O how many grams of Na2CS3 are produced in the reaction of 65 ml of liquid CS2(d=1.26 g/ml) and 1.56 mol NaOH?

16. ## statistics

In a class of 50 students, 31 are Democrats, 13 are business majors, and 3 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.

17. ## AP Chemistry

which of the following is the most polar? 1. I3- 2. XeF2 3. SCN- 4. O3 5. N2O i know it's not I3- or SCN-. which one would it be.

18. ## chemistry

Carbon and silicon are both in Group 14 of the periodic table. (i) Identify compounds which illustrate similarities in the chemistry of carbon and silicon. (ii)Identify compounds which illustrate significant differences in the chemistry of carbon and

19. ## physics

a spacecraft has an acceleration of magnitudes 5.0g what distance is needed for it to attach a velocity of 10 km/s?

20. ## movies

I can't believe that the final Harry Potter movie is coming out in two parts: The first part premieres this November and the second part next year. What if the entire film had only one part like the other 6 Harry Potter films? It would be almost 4 hours

21. ## algebra

The length of a rectangular field is 18 m longer than the width. The field is enclosed with fencing and divided into two parts with a fence parallel to the shorter sides. If 216 m of fencing are required, what are the dimensions of the outside rectangle?

22. ## economics

Suppose that there are two states that do not trade: Iowa and Nebraska. Each state produces the same two goods: corn and wheat. For Iowa the opportunity cost of producing 1 bushel of wheat is 3 bushels of corn. For Nebraska the opportunity cost of

23. ## physics 12

im stuck i have no clue where to start, please help me i just know the givens and some claculations. question: kevin stands on he top of a buiulding and he throws an aboject up into the air at a velocity of 16.0m/s at an angle of 25 degrees to the

24. ## algebra

factor: x^2-11x+19=-5

25. ## maths

I don't understand exactly how you get the slopes of the graphs. May you please get it into details till the end.

26. ## personal finance

an attempt to increase income are part of what component of financial planning

27. ## maths

The line 2y+7x=5 and 4x+dy+3=0 are perpendicular to each other. Find the value of the constant 'd'. (5marks)

28. ## finance

2. ABC Inc. is a levered company. The firm has \$50 million bonds outstanding with an annual coupon rate of 4% and an YTM of 4%. It has 100 million shares outstanding with a price of \$5 per share and a beta of 1.2. Corporate tax rate is assumed to be 40%.

Fiedler asserts that leader behavior is inflexible and cannot be readily changed.

30. ## Chemistry

Gas particles are not found in which layer of Earth's atmosphere? A. exosphere B. mesosphere C. thermosphere D. magnetosphere I know it's not A.

31. ## Ks\aplan

How has terrorism impacted the police mission in the U.S.? What disagreements exist regarding the appropriate law enforcement behavior which fights terrorism but maintains personal liberties?

32. ## Bioethics

I have a multiple choice question, I've narrowed it down to 2... A case in medical ethics is paradigmatic when it a. is similar to a prior case b. establishes a precedent Can someone please explain which one it this? I'd appreciate any help. Thank you.

33. ## algebra

how do i simplify the following expression ,writing the answer with a positive exponent only? (yz^-2)^4)(2y^-3z^-4)3/4y^9z^-5

34. ## Chemistry

When given the pressure and force of a system, how should the pressure formula be rearranged to solve for area?

35. ## Legal

I am supposed to write a Legal Memo on the District Judge Charles Breyer's decision to allow or block obtaining DNA from persons arrested but not convicted. My problem is I have no idea how to write a memo or whats in it (facts, opinions, etc..). Several

36. ## Chemistry

why does a solution made of starch get thick when heated in water? Is starch insoluable? If it is, would the answer be because the solution just forms complexes of suspended solids which thinken the mixture? Or would it be because granules of starch uncoil

37. ## statistics

Formulate a hypothesis statement and perform the five-step hypothesis testing procedure

38. ## Chemistry

First two hw of 50 that I am trying to get a handle on. Any help would be appreciated. 3.What gaseous substance is driven off of succrose when it is heated? is the answer CO2? 7.What gaseous substance is driven off of succrose when it is reacted with acid?

39. ## geometry

In an isosceles triangle, the measure of the vertex angle is 4x. The measure of each base angle is 2x + 10. What is the actual measure of the vertex angle?

40. ## algreba

The perimeter of a rectangle is 56 inches. The length exceeds the width by 24 inches. What is the length and what is the width?

41. ## college

In acidic solution, nitrous oxide (N2O) reacts with potassium chromate (K2CrO4) to form Cr3+ (aq) and nitric oxide (NO), as products. (i) Produce balanced half-equations to represent the oxidation and the reduction steps. (ii) Generate a final balanced

42. ## statistics

Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests.

44. ## english

when writing an essay about a nonfiction book what tense should i use

47. ## 415

Participative leadership is in my opinion what Professor Hill conveys in her message. I do not think that Professor Hill implies that leaders must delegate leadership but rather share and involve others to participate in the leadership process. can some

48. ## Algebra

(d+8/d-9)divided by 9d+72/c-7 Can anyone point me in the right direction to solving this problem? Thank you

49. ## Maths B

given three points: (0,30) (30,45) (60,30) and need to find a parabola (ie. ax^2+bx+c function) from these three points for a curve. Please help! :)

50. ## Biology

Please help me answer this question for my ecology class. Consider the following three populations. Population A has a type-1 survivorship curve, population B has a type-2 survivorship curve, and population C has a type-3 survivorship curve. All else being

52. ## Chemistry

The reaction below shows the corrosion process of iron. Calculate E°cell for the corrosion process and state whether you would predict that this is a spontaneous or nonspontaneous process. 2 Fe (s) + O2 (g) + 4 H+ (aq) → 2 Fe2+ (aq) + 2 H2O (l)

53. ## science

H.) A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90

54. ## CHEMISTRY RIDDLE!!!!

hi! i was just wondering if you could help me figure out this riddle!! im absolutely stumped!!! "Anger: an acid that can do more harm to the vessel in which it is stored, than to anything on which it is poured" is a quote attributed to Seneca, a Roman

55. ## math

A toy baseball bat comes with 3 plastic balls in a box that is a rectangular solid. The box is just big enough to hold the 3 balls

56. ## health

Growth, maturation, and learning are all used interchangeably with the term

57. ## math

4(x+4)=7(x-2) Can someone show me how to solve this. I have been working on it for about 1 hour and I can not get each side to match.

58. ## childcare

which of the following is an example of a closed skill? A. striking a stationary ball b. catching a butterfly c. hitting a pitched ball d. playing tag (c) a child who han't learned the prerequsite fundamentals needed for a combination of motor patterns is

59. ## debating

In debating how exactley would you define your topic,AN EXAMPLE WOULD BE MUCH APPRECIATED.

60. ## physics

The spring constant can be determined from the oscillatory motion. For this case, Newton's second law gives (md^2x)/(dt^2) + kx = 0 where x is the displacement from the equilibrium position. The sample mass is suspended from the spring by a sample holder.

61. ## Math..LCM

find LCM 35b^6a^4,5b^8a^5,21b^2a^8 Can anyone help me with this please?

62. ## physic

Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 4.5000 kg when weighed in air.

63. ## math

angle of elevation of the top of a mountain to a man is 45degree.if we walk along a slope of 30 degree of the mountain 100 meters then the angle of elevation of the top of mountain becomes 60 degree.find the height of the mountain.

64. ## asessment

a very young child takes off his socks. the caregiver puts it back on, the child takes it off again repeating it. child is engaged in play (d) (a)functional b. constructive c, rule-based d. dramatic 2. which of the foll. is best suited to a formative

65. ## chemistry

what is the pH of a solution containing 25 ml of 0.10M acetic acid after 10 ml of 0.10M NaOH is added?

66. ## Physics

How is escape velocity independent of angle of projection?? I mean i expect it to be DEPENDENT on the angle of projection cuz only vertical component of initial velocity helps a body to overcome gravitational force. So only the vertical component of

67. ## chem

Suppose you are given a sample of a homogeneous liquid, consisting of a non-volatile solute and a suitable solvent. What would you do to determine whether it is a solution, colloid, suspension or a pure substance? Cite reasons for your answer..

68. ## SCI275

Urbanization, Define and explain how urban population affects our environment? In terms of water? expalin challanges related to urbanization explain benefit related to urbanization? disucss the benefits and how they outweight the challanges?

69. ## gen chem

A nuclear reaction, such as the transmutation of uranium-238 to a stable isotope lead-206, involves exothermic and endothermic processes. In this reaction, is there any physical and chemical changes involved?

Can someone help me understand what that even function & odd function is, in trignometry

71. ## computers

what provides more utilitarian value the computer hardware or software that runs in the computer

72. ## sci275

Urbanization need help doing a 800-1000 word t paper explain how urban population affects our environment

74. ## biology

choose one animal species. Your goal is to describe the way in which an evolutionar change might occur for a particular characteristic(trait) of a populaiton of that species as a result of natural selection

75. ## chemistry

Calculate the volume of 6.00 moles O2 gas at 30cm Hg and 72 degrees farenheit, thanks.

76. ## algebra

The length of a rectangular field is 18 m longer than the width. If 216 m of fencing are required, what are the dimensions of the outside rectangle?

77. ## HISTORY

Why should a political system be unitary, federal, or confederal? If the U.S. were to have another constitutional convention, would we keep a federal system or change it?

78. ## economics

Ever Kleen Pool Services provides weekly swimming pool maintenance in Atlanta. Dozens of firms provide this service. The service is standardized;each company cleans the pool and maintains the proper levels of chemicals in the water. The service is

79. ## childcare

i am posting these questions with my answers, please help 1.what type of hazard is a spider bite a. physical b. chemical c. biological d. ergonomic. my ans. is (b) 2. a child who has to struggle to climb into a chair is confronting a/an hazard. a.

80. ## History

Prove that one Jew was gassed by Nazi Germany. For any gassing, use a Nazi document to show each of the followng: the location of the gassing, the duration of the gassing, the date of the gassing, the hour of the gassing, the preparations for the gassing,

81. ## mgt 415

Participative leadership is in my opinion what Professor Hill conveys in her message. I do not think that Professor Hill implies that leaders must delegate leadership but rather share and involve others to participate in the leadership process. can some

is -15

83. ## math

-x/5=i/8 please show me how to work this

84. ## axia college

• Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. Compare the event to one or more similar events. When

85. ## mgt 415

How does Professor Linda Hill view help with the relationship between power and conflict?

86. ## statistics

We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the

87. ## ETH 125

What do you say to someone to convince them that Asian Americans and Pacific Islanders belonging to the same Asian American culture is a misconception? Thank you!

88. ## managerial economics

In 1991 the Air Force awarded a \$93 billion or more contract to a group led by Lockheed, Boeing, and General Dynamics to build the new fighter plane for the 21st century, the YF-22 Lighning 2. A group headed by Northrop and McDonnell Douglas, which had

89. ## latin

how do you say "noun" in latin???

90. ## maths

The line 2y+7x=5 and 4x+dy+3=0 are perpendicular to each other. Find the value of the constant.