# Questions Asked onMay 4, 2008

1. ## Any chemistry lovers?

A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.060 M. A)What is the intital Ecell? B)What is Ecell when [Cd2+} reaches .050M. C) What is [Mn2+] when Ecell reaches 0.055V? D)

2. ## math

Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Find the number of different ways that five of these could be hired. One accounting major, one economics major, and

3. ## math

Solve the problem. A shirt company has 4 designs that can be made with short or long sleeves. There are 5 color patterns available. How many different types of shirts are available from this company? a. 9 types b. 40 types c. 11 types d. 20 types

4. ## math

How many distinguishable permutations of letters are possible in the word? BASEBALL a. 20,160 b. 10,080 c. 5040 d. 40,320

5. ## world history

At the Yalta Conference, what was the promise that Stalin had made at the conference that he quickly broke once the war ended?

6. ## Algebra

Which equation could be used to find the dimensions of a room that has a length of 8 feet longer than the width, x, and has an area of 240 square feet? (A) x squared - 8x + 240 = 0 (B) 2x(2x-8x+16)=240 (C) x squared + 8x + 240 = 0 (D) x squared + 8x - 240

7. ## math

To win the World Series, a baseball team must win 4 games out of a maximum of 7 games. To solve the problem, list the possible arrangements of losses and wins. How many ways are there of winning the World Series in exactly 6 games if the winning team wins

8. ## History

1)Why might the US have been concerned early in the war about China's attitude toward US involvenemt on the south side of vietnam? 2) What might have been the effect on the vietnam war if the border of Laos had been closed and N. Vietnam had not been able

9. ## Chemistry!!

how would i do this problem?? Given this equation: 2SO2(g) + O2(g) ---> 2SO3(g) If 50.0 grams of S02 react, what is delta H for the reaction?? how would i do that??

10. ## Algebra Repost

How can I transform the equation 4=x-y into one that begins with "y="? Would I subtract x from both sides to get -x+4=-y? This doesn't look right at all. Or would I add y to both sides and then subtract 4 to get y=x-4? This way seems more correct to me.

11. ## math/algebra

what is the fibonacci sequence???

12. ## research writing

how do you know when sources are reliable?

13. ## a&p

As sebum secretion increases, the skins permeability to water will?

14. ## English

Thesis statement: Networking is the most effective way in making your business grow faster. is it a good thesis statement? if not pls. can you make me another one.. thanks

15. ## a&p

the amount of damaged epithelial tissue would most likely be greates in what type of fracture?

16. ## a&p

If an astronaut returned to earth after a 180 day stay in a weightless space station he would have a decrease in bone mass? true or false?

17. ## Biology12

If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine? Thanks!

18. ## Physics

Original Question: Neutral metal sphere A, of mass 0.10kg, hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q is brought into contact with sphere A. Sphere A goes 12 degrees away from Sphere B. Calculate the initial charge

19. ## Maths - Series

1(a)Glasses are piled upon each other to form a tower.The rows are numbered,beginning with the top row.There is a single glass in the top row,two glasses in row number 2,3 in 3;etc.This continues to the bottom of the tower.A tower is needed which uses a

20. ## Urgent Help In Accounting

January 1, 2008 Timber Company incorporated in the State of Pennsylvania. Initially it issued stock to three stockholders, Bob, Jim, and Frank. Each paid \$50,000 (50,000 shares-- \$.25 par value per share) for the stock. The Company¡¯s Articles of

21. ## Chemistry!!

A serving of potato chips is crushed and burned in a clorimeter. the calorimeter has 2000 grams of water in it and the initail temperature is 21.0 degrees celsius. If the water's temperature increases to 29.0 degrees celsius, how many calories

22. ## Probability

1.John puts the letters of the word FOOTFEST in 8 different envelopes. Paul chooses an envelope at random. (a)(i)Calculate the probability that Paul chooses an envelope containg letter O (1/8 ?) (ii)Calculate the probability tthat Paul doesn't chooses an

23. ## math review question

The interest rate on an equity line of credit was 6 3/4 % last year. This year the interest rate is 9 1/2 %. How many percentage points has the interest rate increased?

24. ## math

what might you have if you don't feel well

25. ## math

the length of a playground id 6 meters less than 3 times its width. If the perimeter of the playground is 100 meters what is the lenght and width of the area to the nearest hundredth meter?

26. ## Chemistry!!

A 100.0 g sample of ethanol at 25.0 degrees celsius is heated and boiled completely to vapor at its boiling point. How much heat does it absorb? i did.... q=100.0 *2.44*43.5=10,614 J q=100.0*2.44*53.5=13,054. then i added the two q's together and i got

27. ## Science

How do telescopes work?

28. ## scienc

the enivronment that is most favorable to an organism,s survival is its range of tolerance optimum conditions preferred environment best conditions

x2-x=30

30. ## Science

If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine?

31. ## Math

2(a)Consider the arithmetic progression with terms A3=-2 and A12=23. Find the sum of A1+......+A40 (can do) (b)In 1800 the population of England was 8 million. The economist Malthus (1766-1834) produced a hypothesis, suggesting:-that the population of

32. ## Geometry

Within an orthonormal system consider points A(1,4) B(5,1) C(4,8) (a)Calculate the angle ABC (b)Show that 3x+4y-19=0 is an equation for line L which passes through A and B (c)Find a vector equation for line L (d)(i)give an equation for the circle with the

33. ## home economics

several factors people considered before investing in any financial instrument

34. ## Math

How do you do questions like this: -9y-12=93 I need to know the steps as well.

35. ## science(chem)

Commercial hydrazine is sold as a 64% solution. Using that as your starting material, how would you prepare a 5% solution of hydrazine? well if it is sold as 64% solution would that mean that it has 64g of hydrazine per 100ml of solvent(water)? and what

36. ## home economics

A company is planning to invest \$75,000 (before taxes) in a personnel training program. The \$75000 outlay will be charged off as an expense by the firm this year (Year 0). The returns estimated from the program in the forms of greater productivity and less

37. ## chemistry

What is the pH value if you take into account that the 8.00 mL of 0.10 M HCl was first diluted with 100 mL of water and titrated with 1.60 mL of the 0.10 M NaOH i know that the concentration of HCl after diluting is .008M but than im not sure how to

38. ## Epidemiology

Can some one please check this for me. I am not sure if I am on the right track. Complete the problem below. Disease X is one that often results in severe illness, but never is fatal. On March 21, 1990, 30 students developed disease X among all students in

39. ## Functions

(a)Consider the function: f(x)=(7x+13)/(13x-1) (i)Calculate the exact values of the coordinates of the points of intersection of the graph of this function with the coordinate axes. (ii)Calculate the equations of the asymptotes (b)The line h(x)=ax+b passes

Here's one of the questions I have problems with: cube root of (x+2)=6th root of (9x+10) A. -1, 6 B. [-13 +/- sqrt(193)]/2 C. 1, -6 D. [13 +/- sqrt(145)]/2 Please explain how to solve this. Should you cube both sides, or raise both to the 6th? and I get

41. ## Statistics

Mortgage Rates In 2001, the mean contract interest rate for a conventional 30-year first loan for the purchase of a single-family home was 6.3 percent, according to the U.S. Federal Housing Board.A real estate agent believes that interest rates are lower

Here's one of the questions I have problems with: cube root of (x+2)=6th root of (9x+10) A. -1, 6 B. [-13 +/- sqrt(193)]/2 C. 1, -6 D. [13 +/- sqrt(145)]/2 Please explain how to solve this. Should you cube both sides, or raise both to the 6th? and I get

43. ## Compensation and Benefits

I need help with these question. I am not a 100% sure of my answers. Can someone please help. Thanks 1. All but which one of the following are major reasons for an employee to defer income? a) save for the future b) permit saving to accumulate interest tax

8(5-n)=2n

8(5-n)=2n

46. ## physics

If you drop a stone into a well that is d = 128.0 m deep, how soon after you drop the stone will you hear it hit the bottom of the well?

47. ## Maths

In an orthonormal system, you're given the following: Point P(1,2) Lina a=cartesian eqn:4x-3y+6=0 Line b=parametric eqns:x=-5+3& y=-& (real n°) Circle z=cartesian eqn:x²+y²-2x-3=0 (a)Calculate the angle between lines a an b (b)Calculate the coordinates

48. ## chemistry

1 what's the Tyndall Effect and whats one example of this effect? 2) Given an unknown mixture consisting of two or more substances, how could we determine whether that mixture is a true solution, a colloid, or a suspension? 3) why is a suspension

49. ## pre-calculus

Hi I have this question regarding ellipses. the equation is.. x^2/25 + y^2/169= 1 it asks for major and minor axis (i got 10 and 26) x-intercept y-intercept ((5,0)(0,13)) foci (-12,0) points of intersection with line y= 1-2x graph graph the equation of the

50. ## Economics 101

Hey guys my Econ final is on Tuesday and I could use some help. These are 4 example questions true/false with explanation needed. 1. A monopolist will produce less and charge a higher price than a perfectly competitive industry. 2. Regardless of the type

51. ## history

Do you culturally identify more with the ethnic group you examined?

52. ## Chemistry

How do I find the percent composition of H2O: 20.14grams C2O4: 51.64grams Fe 3+: 11.34grams K^+: 15.06 grams and the empirical formula with these numbers

53. ## series

2(a)Consider the arithmetic progression with terms A3=-2 and A12=23. Find the sum of A1+......+A40 (can do) (b)In 1800 the population of England was 8 million. The economist Malthus (1766-1834) produced a hypothesis, suggesting:-that the population of

54. ## Probability

1.John puts the letters of the word FOOTFEST in 8 different envelopes. Paul chooses an envelope at random. (a)(i)Calculate the probability that Paul chooses an envelope containg letter O (1/8 ?) (ii)Calculate the probability tthat Paul doesn't chooses an

55. ## Algebra

How can I transform the equation 4=x-y into one that begins with "y="? Would I subtract x from both sides to get -x+4=-y? This doesn't look right at all. Or would I add y to both sides and then subtract 4 to get y=x-4? This way seems more correct to me.

56. ## Algebra

Calculate the relative error to the nearest tenth, compared to the actual measurements, given the following swimming pool measurements: Mr. Joe's measurements: 35ft x 17.5ft Actual measurements: 35ft x 22.75ft (A) 0.1 (B) 0.2 (C) 0.3 (D) 0.4 I got choice

57. ## physics

A microwave oven uses 1000W of power.The voltage source is 120V. What is the current flowing through the microwave?

58. ## physics

A television uses a current of 1.5A at 120V. The television is used 2 hours. Calculate the power used in KW and the energy used in kWh.

59. ## physics

How many kWh of energy would be needed for brushing your teeth with an electric toothbrush daiy for the month of May? How much would it cost at \$0.09 per kWh?

60. ## chemistry

Calculate the pH of a [Acid] M aqueous solution of each of the hydrochloric and acetic acids: Acid [Acid] pH HCl 0.10 HC2H3O2 0.10 I know that HCl is just -log(0.10) which is 1, but can't get the pH of HC2H3O2.

61. ## physics

what is magnesium?

62. ## Physics

Original Question: Neutral metal sphere A, of mass 0.10kg, hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q is brought into contact with sphere A. Sphere A goes 12 degrees away from Sphere B. Calculate the initial charge

63. ## English

I am writing a story about a girl who is living a stable life that she has created for herself. However, her biological sends her a letter apologizing for putting her up for adoption and telling she wants to see her. She is very confused. My last paragraph

64. ## homework

i have to make a small invention

65. ## chem

why does the solubility of ytterbium sulfate decrease with temperature?

66. ## chem

determine the solubility of each of the following grams of solute per 100. g H2O a) NaNO3 at 10°C b) KNO3 at 60°C c) NaCL at 50°C

67. ## Biology

How do the reproductive and hormonal systems of the human body interact and support each other?

68. ## Statistics

If I have 4 standard deviations, how do I find the SD of the distributions of all of them? They are: .15 .16 .14 .15

69. ## Algebra II

1. Find the value of 5 + 8 x 2 divided by 4 - 11 2. Evaluate (a-y)^2 + 2y^3, if a =2 and y= -3 3. Evaluate -|a-3b|, if a=-2 and b = 6 4. The formula A= 180 (n-20 OVER N relates the measure A of an interior angle of a regular polygon to the number of sides.

70. ## Chem

Which of the following has the largest molar mass? A. Water B. isopropanol C. ethanol

71. ## physics

a tuning fork produces a sound wave with a wavelength of 0.20 m and a velocity of 25.6 m/s. what is the frequency of the tuning fork?

72. ## algebra II

14. Solve the inquality -3(r-11) + 15 equal or greater than 9. 15.Solve the inequality: -2 < 4z = 10 lessthan or equal to 12. 16. Solve the inequality 2x-5 less than or equal to 10 or 33 - 4x < 5 17. Solve the inequality 3 | m -4 | > 6

How do you do these problems... 1) y/2+5>8 2) -4z+8

74. ## Chemistry

Dr. Bob ok well here is what i have gotten so far: on the problem H2O: 1.118 mol C2O4: .58681 mol Fe 3+: .2025 mol K^+: .3862 mol That is what ive gotten doing 20.14 g(1 mol / 18 g) = 1.118 mol and so on with the rest of them Did i do that wrong

75. ## Physics

In calculating the force of gravity between two objects, if the mass of one objects increased by 4 and the other by 2, how many times would the force of gravity increase? Ok well Im horrible at physics but the way I understood it was that you would take 4

76. ## Economics

what is sales tax? and what is it used for?

77. ## Biology - Heart Rate/Blood Pressure

Hi, can someone help me with these questions? Why is it that athletes have to exercise harder/longer to get max heart rate than people that aren't physically fit? Why does smoking cause rise in blood pressure? (Does it have to do with less oxygen getting

78. ## Government

Which amendment is the direct result of a spiritual awakening?

79. ## Biology-need source

Hey I need a source that tells me the effects of seismonsastic movements on the growth of plants. Thanks!

80. ## ENGLISH

I CANT FIGURE OUT THIS WORD....IT MEANS CAUSING GREAT MISFORTUNE amtsoacausli

81. ## statistics

evaluate the combination: there is a set of parentheses, 15 on top of a 15- it would look like this, just one set of parentheses (15) (15) i am just stuck

82. ## world hisrory

What British commander finally stopped Rommel advance across North Africa at the Battle of El Alamein in 1942, driving the Axis forces across Libya into Tunisia?

83. ## math

4x-y+z=-5 2x+2y+3z=10 5x-2y+6z=1 solving x,y,z with Matrices

84. ## english 2

is cassius honestly opposed to tyranny?

85. ## world history

In 1988, President Ronald Regan signed legislation which apologized stated that government action were based on "raced prejudice, war hysteria and a failure of political leader." What is the term for the \$1.6 billions in payments that were later disbursed

86. ## Eth 125

Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics, of these societal challenges facing modern African Americans, which do you think are most difficult to overcome, and why?

the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to

88. ## English

rules of punctuation

89. ## Algebra Repost

Which equation could be used to find the dimensions of a room that has a length of 8 feet longer than the width, x, and has an area of 240 square feet? (A) x squared - 8x + 240 = 0 (B) 2x(2x-8x+16)=240 (C) x squared + 8x + 240 = 0 (D) x squared + 8x - 240

90. ## world history

What is the name of the battle fought on the Eastern Front in the Soviet Union between August 1942 and February 1943 that evolved into a bitter street-by-street, house-by-house struggle between the German and soviet armies?

91. ## math

Evaluate the factorial. 5!

92. ## physics

a fork lift picks up a crate using 400 N. it moves the crate 20 meters in 50 seconds. how much power is used?

93. ## math

Evaluate the permutation. P(5, 5) a. 1 b. 120 c. 0 d. 4

94. ## math

Evaluate the permutation. P(7, 4) a. 1 b. 210 c. 7 d. 840

95. ## world history

Who was the U.S. general chosen to be the supreme commander of the Allied invasion forces that would strike into France from Great Britain?

96. ## physics

what is a joule?

97. ## Chemisty

Ok this is what i got for the grams part now.... Total mass is 20.14 + 51.64 + 11.34 + 15.06 = 98.18 %H2O = (20.14/98.18)*100 = 20.51% %C2O4 = (51.64/98.18)*100 = 52.60% % Fe 3+ = (11.34/98.15) * 100= 11.55% % K + = (15.06/98.15) * 100 = 15.43 % 20.51 g

98. ## math

Given a group of students: or count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office. A male president and three representatives a. 72 b. 9 c. 6 d. 3

99. ## world history

What did the western allies build in the former Axis countries during a period of allied military occupation in order to protect the rights of all citizens?

100. ## art history

without useing a museum art become a investigative journalist using the internet find works of art that is not conventionally considered to be art.Art that will make for captivating news articles

101. ## world history

At the end of World War I the Allieds had established the League of Nations as an international organization designed to ensure global peace, but it had failed miserably due to the fact that it did not possess the military force necessary to enforce any of

102. ## crit thinking

Identify any areas that are vague or ambiguous. If none exist, explain how you determined this. Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this. Author Jeff Lindsay is no fan of horror novels,

103. ## science

four flasks each contain 100 milliliters of aqueous solutions equal concentrations at 25 degress C and 1 atm. the four flasks are KCL,CH3OH, Ba(OH)2, and CH3COOH. the question is Which solution had the lowest freezing point and explain answer

104. ## math

Evaluate the combination. its in parentheses with the ten on top, and the 6 on the bottom, they are both in the same set of parentheses (10) (6 ) a. 5040 b. 210 c. 75,600 d. 48

105. ## Chemistry

How do i write a good discussion/conclusion for a lab report.

How do you do these problems... 1) y/2+5>8 2) -4z+8

107. ## engl - citing

In my indroductory paragraph I talk about a certain individual. I mention her current profession etc. In the next sentence I give a quote by her. How do I cite that? Should I give her name and the page number? Or just the page number? Or do I even need to

108. ## Trig

What is sin^2 - cos^2 x/ 1-2cos^2 x, using the identities.

109. ## english

where can i find a translation to another language or help to do a tranlation to another language of marc antony's speech in julius caesar Act 3 sc.2

110. ## History

The rise of industrialization radically changed life for people in the West in the nineteenth and twentieth centuries. Imagine that you are a person who grew up in a rural English farm village in the mid nineteenth century, but who will spend your working

111. ## Math

what is one half of 40 cm2

112. ## chemistry

how are molecules and poly atomic ions similar?

113. ## IT205

I have a paper due tomorrow, well on Sunday may 4th of 2008. It needs to be in APA format and it should have 1400-1700 words. The guidelines is on the Bead Bar and it's System Development Plan. Below is an essay I have started on and I would like to have

114. ## biology

why do plants of arid environments have fewer smaller vessels than plants of moist environments?

115. ## Chemistry

What is the pH of the solution created by combining 1.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? This is how I would go about solving the problem, but could you tell me where I went wrong? First I would find the number of mols of OH

116. ## Critical Thinking

Since it is the very nature of terrorism not only to cause immediate damage but also to strike fear in the hearts of the population under attack, one might say that the terrorist were extraordinarily successful, not just as a result of their own efforts

117. ## Maths - Sets

While I was doing some exercises on sets A question accured " M = {a,e,i,o,u} a) how many subsets are there of M ? When I did it was two , because a subset from my knowledge is that all of the elements in the set are there with the empty set The answer was

118. ## health

some sdvice on an essay I have to do on child development.How social skills are developed in children.What is self-esteem and self-concept and how are these concepts developed in children?.The importance of social relationships.Effects on self-esteem and

119. ## Biology

What conditions must be kept constant for a fair test for the amount of carbon dioxide against the rate of photosynthesis of pondweed