Questions Asked on
May 25, 2009

  1. chemistry

    I asked this question earlier that drbob explained but i still do not really understand what to do. can you please make it clearer? the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has

    asked by cara
  2. math

    a cable television firm presently serves 5000 households and charges $20 per month. A merketing survey indicates that each decrease of $1 in the monthly charge will result in 500 new costumers. Let R(x)denote the total monthly revenue when the monthly

    asked by Anonymous
  3. Spanish

    Can someone help me with this please Re-write the following dialogue adding the correct form of “estar” or the gerundio of the verb (other than estar) in parenthesis to form the present progressive form. Jose: Hola María. ¿Qué ___(5)___ (ESTAR tú)

    asked by Jordan
  4. Chem

    Calculate the expected volume of hot water that would be required to dissolve 0.15g of benzoic acid, vanillin, phthalic acid, salicyclic acid? You don't need to do all or any of them. I just need to know what formula to use and what to sub in and I can do

    asked by Sam
  5. Math

    In exercises 1 and 2, use the following information. You randomly draw letter tiles from a bag containing the letters from the word PROBABILITIES. 1. You randomly select a B. You replace it. Then you choose a T. Tell whether the events are independent or

    asked by Sabina
  6. physics

    A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the

    asked by kelsi
  7. reading

    Allusion- 1 Why did the author refer to "Hansel and Gretel"? 2 Why did this folk tale emphasize the horror of the Holocaust for Misha? 1 Because in Hansel and gretel the kids burned the witch and died but in Milkweed the jewish are burned. 2 Because it

    asked by joy
  8. Physics

    A ball is thrown vertically upward with a speed of 1.53 m/s from a point 4.21 m above the ground. Calculate the time in which the ball will reach the ground. {Distance Above Ground} = D = (4.21) + (1.53)*t + (1/2)*(-9.8)*t^2 {D = 0} ----> {Time To Reach

    asked by Jamie
  9. Chemistry

    The mass of a single barium atom is 2.28E-22 grams. How many barium atoms would there be in 37.4 milligrams of barium

    asked by Claudia
  10. Chemistry

    Is p-toluidine soluble in HCl? Is 2-naphthanol soluble in NaOH?

    asked by Sam
  11. pre-calc

    A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 6ft/min, express the toatal fire area A as a function of time t (in minutes

    asked by Anonymous
  12. Math

    How do you solve this question: The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?

    asked by Angie
  13. Chemistry

    Calculate the specific heat of a metallic element if 314 jouldes of heat energy are needed to raise the temperature of a 50g sample from 25 degrees Celcius to 50 degrees Celcius?

    asked by ASK
  14. Math

    How do you find the answer for this: Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have? a. 13 b. 15 c. 29

    asked by Angie
  15. physics

    an object held in the air has a gpe of 470 J. the object then is dropped. halfway down, what is the objects kinetic energy?

    asked by kyle
  16. BUSINESS

    Question What are the differences between an internal proposal and an external proposal? Also I need to summarize why the two proposal types are different in terms of the following elements: Consider the following scenario: Management at your project

    asked by JOSE
  17. History

    1. What impact did learning about classical science have on Christianity? Also, 2. why do you think humanistic ideals encouraged European scholars to question classic learning? Thank you!

    asked by Leni
  18. physics

    A 2.7-kg box is released on a horizontal surface with an initial speed of 2.9 m/s. It moves on the surface with a deceleration of 0.27 m/s^2. Calculate the kinetic friction force on the box. I couldn't find an example of this anywhere but...is it:

    asked by Jamie
  19. world history

    Questions from the movie "Schindler's List" Elie Wiesel, a student of the Holocaust, has said that "indifference" is the greatest sin of the Holocaust. Can you explain what he meant by this? How does this concept relate to the scene in which Schindler

    asked by HELP PLEASE!!
  20. Math

    Consider the set of integers greater than -2 and less than 6. A subset of this set is the positive factors of 5. What is the complement of this subset? a. {0,2,3,4} b. {-1,0,2,3,4} c. {-2,-1,0,2,3,4,6} d. {-2,-1,0,1,2,3,4,5,6} I think it's d, even though

    asked by Angie
  21. Math

    1. Given the product law of logarithms, prove the product law of exponents. 2. Given the quotient law of logarithms, prove the quotient law of exponents. 3. Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0 Please explain these to me.

    asked by Jus
  22. crithical thinking

    Critical Analysis Forms Fill out one form for each source. Source 1 Title and Citation: 1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3

    asked by monica
  23. Reimbursement Methodologies

    You're the new director of a hospital health information management department. The chief financial officer has hired you for your expertise in health care reimbursement and needs to know how your department can help with reimburement. List the mot

    asked by Allie
  24. Chemistry

    Would a compound that is soluble in HCl be soluble in NaHCO3? I think that a compound that is soluble in NaOH and not HCl would be soluble in NaHCO3, right? Thanks!

    asked by Sam
  25. math

    Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, then  1 2  x  2   1 3  (x  2). Solve this equation to

    asked by Doris
  26. chemistry

    A sulfuric acid solution at 25 °C has a density of 1.27 g/mL. A 20.0-mL sample of this acid is measured out at 25 °C, introduced into a 50-mL flask, and allowed to cool to 21 °C. The mass of the flask plus solution is then measured at 21 °C. Use the

    asked by Zandria
  27. world history

    were did they get the pictures from the holocaust...like who took them

    asked by Anonymous
  28. english

    are there any famous poems about how soldiers at war deal with death. I'm reading "the things they carried" and the book talks a lot about how the soldiers would shake hands with dead people, (as a sort of dark humor I guess to desensitize them in a way)

    asked by jackie
  29. social studies

    why do monopolies threaten the fre enterprise system

    asked by knj
  30. pre-calc

    A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 6ft/min, express the toatal fire area A as a function of time t (in minutes

    asked by Anonymous
  31. Chemistry

    What is the solubility in water of salicylic acid at 25 degrees? I can only find it at 20 degrees.

    asked by Sam
  32. Chemistry

    (a) What is the diameter, in micrometers, of a spherical ink droplet from an early version of an ink-jet printer if the volume of the droplet is 200 ± 10 pL? If the ink has a density of 1.1 g/mL, what is the mass in milligrams of ink in a droplet from

    asked by Zandria
  33. Spanish

    1. ¿Qué es el gerundio de "llamar"? 2. ¿Qué es el gerundio de "beber"? 3. ¿Qué es el gerundio de "dividir"? 4. ¿Qué es el infinitivo de "mirar"?

    asked by Pete
  34. science

    fill in the blanks: Minerals are the builiding blocks of rocks: Atoms => Elements => __________=> Rocks.

    asked by Anonymous
  35. Languages

    what does .oot derob m'Iþ mean? I have no idea what language this is in, or what it means. I just came upon it and am wondering so sorry if it is something offensive or anything else. Thanks -MC

    asked by mysterychicken
  36. math b

    the vertices of triangle ABC are A(-2,3), B(0,-3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.

    asked by jojo
  37. eng02

    Assignment: Incorporating Statistics, Graphs, and Illustrations  Resources: Incorporating Statistics, Graphs, and Illustrations; Creating Tables tutorial; Axia College Writing Resources Web Site; and Axia College’s Writing Style Handbook  Due Date:

    asked by carol
  38. math

    In the percent-of-sales method, an increase in dividends

    asked by Mike
  39. Math Application

    Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, thenSolve this equation to find the number of rabbits that he

    asked by Doris
  40. Math simplify

    What is the simplifying process of 0.08r+0.5(x+100)=73.2

    asked by Doris
  41. Statistics

    For the gene pair that determines eye color, each gene trait may be one of two types: dominant brown (B) or recessive blue (b). A person possessing the gene pair BB or Bb has brown eyes, whereas the pair bb produces blue eyes. a) Suppose both parents of an

    asked by Kate
  42. French (URGENT)

    Okay, for an assignment, I have to do a rewrite of the "Alouette" song. It must include 4 verses. Here it is: the theme is "pie" (First line) (Second line) Nous mangons tarte de pomme Nous mangons tarte de pomme Yay pour pomme - Yay pour pomme Mange la

    asked by Larry
  43. Science

    Which is hotter - a red star or a blue star? Why? I know it's the blue star, but I don't know why...

    asked by :]
  44. Math

    I need some help with my math.. It says is each equation a direct variation? If it is find the constant of variaton. 32. f(x)=-3x 34. y=2x+5 I don't get how to do these.. please help me.

    asked by Amy
  45. spanish

    "¿Cuándo _____ tú y tus amigos?" "Después de las clases o los fines de semana." a. se encuentran b. me encuentro c. te encuentras d. nos encontramos When _____ you and your friends. After school or on the weekends. when do YOU MEET your friends. after

    asked by y912f
  46. Math

    When something says that I'll be tested on formulas for perimeter and area of polygons, does that mean I'll just have to know the formulas, or that I'll have to know how to use the formulas, or both?

    asked by Angie
  47. math

    graph y=-2x and y=-x squared what points do the graphs have in common? Describe how the graphs are different.

    asked by nathaniel
  48. english

    we're doing vocab and there's some i don't understand -intrepid is to daunt as a. diligent is to tantalize b. incredulous is to hoodwink c. incorrigible is to surmount d. obstreperous is to rejuvenate i think this one is a. but im not sure -languid is to

    asked by lola
  49. French (URGENT #2)

    Can someone please help check my work? There were no instructions, it is as I have written it. Am I supposed to choose only one? or more? 1. On peut pratiquer les sports décrits dans cette annonce... info: SPORTS. Cercle. Nautique. Martinique. Ski

    asked by Larry
  50. history

    can u please give me a site that will have a short but an informative article on the English Reformation? thnks

    asked by KC
  51. Math

    Find the HCF of f(x) = 6x^3 + 24x^2 + 18x, g(x) = 4x^4 + 4x^3 - 24x^2

    asked by sami
  52. chemistry

    the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has approx. 5 L of blood.

    asked by cara
  53. algebra

    Find the sum: (x2 + 2x +1) + (4x2 + 5x + 3)

    asked by start2
  54. Math Application

    World grain demand. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of world grain demand. What will world grain demand be in 2010?

    asked by Doris
  55. Chemistry

    Write structural formula for : 3 ethyl- 2,3,- dimethylpentane ALSO How many single bonds are in a hexane molecule?

    asked by STEPHANIE
  56. chemistry-acids and bases

    determine how many mL's of a monohydroxic base with a pH of 9 is needed to neutralize 50 mL of a monoprotic acid with a pH of 2. I do not understand what to do. can someone please help?

    asked by jackie
  57. medical coding and billing

    I need help on my HIPAA research project I havn't writtn a paper in like 20 years. If someone could give me their opinion of what I have so far. The project involves a series of questions, in which I'm suppose to answer each question in a complete

    asked by Susan
  58. SCIENCE

    What energy changes occur in a in a solar powered car?

    asked by iluv2cheer
  59. math

    A fraction's numerator is 3 less than its denominator. Its reciprocal is 4 times its value. It is greater than 0. What is the fraction?

    asked by sonja
  60. Spanish

    I REALLY NEED HELP WITH THIS PRONTO!! i WOULD REALLY APPRECIATE IT. Re-write the following sentences replacing the underlined direct object with a direct object pronoun. Remember, the direct object pronoun needs to be placed directly in front of the

    asked by Pete
  61. world history

    what group imposed the Reign of Terror

    asked by shaka
  62. Math

    What does it mean to solve a system of equations like y=x^2+4x-5 and y=x-1 graphically?

    asked by Angie
  63. Math

    How do you solve this problem: Jack brought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of

    asked by Angie
  64. ml algebra

    Solve the equation x2 = 81 by finding square roots. *NOTE: Applicable to this and all other questions--For any solution that involves two answers, type one answer separated by a comma and then the other answer

    asked by ange
  65. HCA 210

    When solo providers have to face expanding their hours to accommodate more of their patients, what kind of impact do you feel this will have on the provider's health?

    asked by Meshelle
  66. english

    Homework help please i need to pass? in the play a midsummer night dream for the character Hermia i need help answering these question as if i were Hermia. (answer the questions like something Hermia would say) please really in depth answers please What

    asked by Bre
  67. history

    i need ti write a paper on why the soviet union is to blame for the cold war. could an example i cit be when the soviet union invaded afghanistan?

    asked by cat
  68. spanish

    "¿Qué hicieron tú y tus sobrinos cuando llegaron a tu fiesta de sorpresa?" "_____, por supuesto." a. nos despedimos b. nos invitaron c. se regalaron d. nos abrazamos can you please explain to me what the question is saying.. What did you and your

    asked by y912f
  69. Math

    Determine whether each equation is true for all x for which both sides of the equation are defined. If it is true, support your conclusion with a sketch using the unit circle. If it is false, give a counterexample. inverse sin(-x)=-inverse sin(x) inverse

    asked by Anonymous
  70. chemistry

    A small storage tank for liquefied petroleum gas (LPG) appears to be spherical and have a diameter of about 1 ft.Suppose that some common volumes for LPG tanks are 1 gal, 2 gal,5 gal, and 10 gal. Which is the most probable voume of this particular tank?

    asked by Zandria
  71. English

    The following sentence contains a dangling or misplaced modifier. Rewrite the sentence so that its meaning is clear. 7. Walking the dogs in the park on Sunday afternoon, it began to rain hard. I totally don't understand how to rewrite this sentence :( Any

    asked by Emily
  72. chemistry

    is it possible to neutralize a strong acid with a weak base? I think you can but i don't know how you would? Explain please?

    asked by jackie
  73. Marine Biolodgy

    Clown fish! HELP -MAJOR ASSINMENT DUE TOMORROW, ARE CLOWNFISH SEXUAL OR ASEXUAL? INTERNAL OR EXTERNAL? S.O.S PLEASE HELP! xxx Lola

    asked by Lola
  74. spanish

    "¿Cuándo _____ tú amigos?" "Después de las clases o los fines de semana." a. se encuentran b. me encuentro c. te encuentras d. nos encontramos C?

    asked by y912f
  75. Cars

    What type of fuel does the cadillac cts take? premium or regular?

    asked by Lena
  76. math

    picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, and 8 octagons

    asked by stacey
  77. spanish

    "Francisco, ¿celebran Uds. Columbus Day en México?" "Más o menos, pero se llama _____." a. el Día de la Independencia b. el Día de la Raza c. el Día de Acción de Gracias d. el Día del Padre B?

    asked by y912f
  78. spanish

    Si una mujer no está casada, se dice que _____. a. está soltera b. está muerta c. está especial d. está separada A?

    asked by y912f
  79. spanish

    Si una mujer no está casada, se dice que _____. a. está soltera b. está muerta c. está especial d. está separada A?

    asked by y912f
  80. spanish

    "¿Cuándo es _____ de tus padres?" "Creo que se casaron el ocho de mayo." a. la celebración b. el aniversario de boda c. la reunión d. el día de fiesta B?

    asked by y912f
  81. english

    Is a person basically alone or is he or she integral member of society. no websites or references i want to know what you think

    asked by Bre
  82. statistics

    Hi all i have this assignment,please help me :D . . . . . 1.The following table presents the monthly consumption (C) and income (I) of 5 families, in Jordanian Dinars: (C) (I) 290 400 210 230 200 200 150 220 250 450 A) Plot the data; B) Write the estimated

    asked by hani
  83. econ

    Why did the stock SIX change to SIXF.OB? Thank you for the help.

    asked by Lola
  84. English

    ?: page as border is : country

    asked by Anonymous
  85. chemistry

    how do i d

    asked by casey
  86. 5th grade science

    What are some ways that energy from the sun is being used in a community!! Please Help

    asked by Carolina
  87. Math

    Express as a rational expression : [(x^3+y^3+z^3-3xyz)/(a^3+b^3+c^3-3abc)] * [(a^2+b^2+c^2-ab-bc-ca)/(x^2+y^2+z^2-xy-xz-zy)] Show all your work

    asked by jessie
  88. Math

    Express as a rational expression : [(x^3+y^3+z^3-3xyz)/(a^3+b^3+c^3-3abc)] * [(a^2+b^2+c^2-ab-bc-ca)/(x^2+y^2+z^2-xy-xz-zy)] Show all your work

    asked by jessie
  89. science! help

    What are some ways that energy from the sun is being used in a community??? Please Help

    asked by Carolina
  90. science

    Fill in the blanks: * A minerals __________ (which you can not see) can be seen in the mineral's _______ (which you can see). * A mineral that has __________ (forming a distinct geometrical shape) and ___________ on those flat sides is said to have

    asked by Anonymous
  91. english

    define borrowing glory with some examples.

    asked by Anonymous
  92. college

    If the management of a company bases salary increases and employee benefits on seniority rather than performance,the company promotes ...culture? Apathetic,caring,integrative,exacting? this is from "Business ethics"

    asked by Mike
  93. geo

    what are social, political and economic factors? also, what is brain drain? thx for your time :)

    asked by rebecca
  94. English

    1. I saved the file on the computer. 2. I saved the file in the computer. 3. I saved the file at the computer. (Which preposition do I have to use?) 4. He is making a document on the computer. 5. He is making a document in the computer. 6. He is making a

    asked by John
  95. social studies

    why did the Puritans go to plymouth Ma. ?

    asked by megs
  96. SRAJMCGIN

    Does anyone know where SraJMcGin is, what time she will be online? i have been waiting for my spanish questions to be answered the whole day. Please let me know when she will come online. Thanks

    asked by y912f
  97. business

    To start a day care center, what are the basic materials and supplies that you will need? i.e, desks, chairs, tv, kitchen area (fridge, stove), books. what are some other things that you would need. what are some activities that kids 3-4 age do at a

    asked by y912f
  98. Microeconomics

    What are the conditions for a perfectly competivite market?

    asked by Susan
  99. psy 210

    canstrast and compare the different between the two theories Trait theory and psychodrama theory

    asked by ms miller
  100. math

    Simplify (2c)(11c). my answer is telling me it should be 22c. I think it is 22c(squared). We are not combining like terms, but multiplying each to the 1st power. when you multiply you add the exponents. I am confused.

    asked by Kelly
  101. civics

    how many members from maharashtra MP,ORISSA,KERALA UP,BENGAL ARE REPRESENTING LOKSABHA

    asked by bhumi
  102. science assignment

    what imapct has technology had on our society

    asked by jason
  103. math- pre algebra

    can you help me with this equation and may you please show your work? -3=3-y

    asked by Tanisha
  104. social studies

    how did technology change what was brought and sold in rural areas?

    asked by ???
  105. Physics

    What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units? Cos x = (b^2 + c^2 - a^2) / 2bc Cos x = (3.2^2 + 5.7^2 - 6.1^2) / (2 * 3.2 * 5.7) Cos x = 5.52/36.48 Cos x = 0.15 x =

    asked by Jamie
  106. spanish

    "Cuando tú y tu novia se despiden, ¿se dan la mano o se besan?" "_____" a. se besan b. nos besamos c. se dan la mano d. le damos la mano i'm not even sure what the question is asking, i think it says: when you and you're girlfriend say goodbye, do you

    asked by y912f
  107. Other

    what does it mean to be a woman

    asked by Bre
  108. spanish

    "Cuando tu hermana se graduó, ¿cómo se saludaron ella y el director?" "_____" a. se despidío b. se encontraron c. se dieron la mano d. nos abrazamos C?

    asked by y912f
  109. spanish

    "¿No está casado tu tío Beto?" "No, él nunca se casó. Está _____." a. divorciado b. separado c. muerto d. soltero Can someone please explain the question to me.

    asked by y912f
  110. math help plz

    Use the quadratic formula to solve the equation: 0 = x2 - 5x + 6

    asked by puppy101
  111. spanish

    "¿Por qué no _____ tu hermana y tú?" "Porque siempre nos peleamos." a. se despiden b. se dien c. se hablan d. se gradúan C? if this is the wrong answer, then please explain the question to me

    asked by y912f