Questions Asked on
May 14, 2009

  1. Chemistry

    Rank the crystal lattice structures in order of decreasing efficiency of space in the structure? Face centered cubic, body centered cubic, simple cubic, hexagonal close packing.

    asked by gnozahs
  2. I am very struggling with ENG 4C!

    Gees, I've been doing this ENG 4C lesson 6 for over a week now, have no idea how to do it.. :( Did anybody ever delt with ILC book fro ENG 4C?

    asked by karina
  3. Algebra

    Consider the graph of the equation y=ax^2+bx+c, when a does not equal 0. If a is multiplied by 3, what is true of the graph of the resulting parabola? (A) The Vertex is 3 units above the vertex of the original. (B) The new parabola is wider than the

    asked by Kelsey
  4. Algebra

    Rewrite each function in the form y = a(x-h)^2-k. Find each vertex. y = x^2 -8x + 18

    asked by Faith
  5. Chemistry

    In the context of a silicon-based semiconductor, match each of the following descriptions to the type of semiconductor. dopant:boron contains electron holes contains extra electrons dopant:phosphorus n-type semiconductors or p-type semiconductors

    asked by gnozahs
  6. college

    For the reaction NO(g) + O3(g) „_ NO2(g) + O2(g) The frequency factor A is 8.7 X 1012 s-1 and the activation energy is 63kJ/mol. What is the rate constant for the reaction at 75 ¢XC?

    asked by Kelvin
  7. Science

    Why do non-polar substances tend to boil at relatively low temperatures?

    asked by Shawn
  8. Math

    Can you simplify 15 sqrt3 / 3 into 5 sqrt 3? why or why not?

    asked by Angie
  9. Economics quick question

    Is this false?? Prices in a competitive market tend to favor the producer over the consumer.

    asked by Taylor
  10. eng

    Introduction: You're assigned a book report that is due at the end of the month, you say to yourself "hey that's plenty of time, I'll do it later." The problem is when is later? Is it later in the day, week or later meaning close to the day the book report

    asked by jerson
  11. 12th grade- Trigonometry

    Find the exact value of each expression Cos^-1(0) Tan^-1 sqrt(3)/3 Sin^-1(1) Since the expressions are capitalized, I'm not sure if I have to do anything different. Any help is appreciated.

    asked by Kate
  12. Economics

    Could you please check this Directions: Match each item with the correct statement. Here are the words: supply elasticity law of supply price system technology price ceiling supply inelastic supply curve shortage market supply taxes 1. principle that

    asked by Taylor
  13. College Algebra

    For the exponential function e^x and logarithmic function log x, graphically show the effect if x is halved. Include a table of values for all four functions. Could someone please explain to me what occurs when things are halved.

    asked by Carmen
  14. Spanish!

    Write the correct form of the verb tener for the following dialogue in the corresponding numbers below: Ana: Hola Isabel: ¿Tú _____ galletas cookies? Isabel: Yo _____ hamburguesas hamburgers. Ana: Yo no _____ ganas de comer hamburguesas. ¿Sabes si do

    asked by James
  15. english

    Ok, it says that I need to find a news report about a non-violent property crime or fraud. And create a table with what? who? When? Where? How?( details of how the crime was done) How?(results to victim)How?(Public reaction, if any) and How?(results in

    asked by karina
  16. Literacy

    Does flowering and blooming rhyme?

    asked by Angie
  17. spanish

    Write the correct conjugation of tener for the following sentences: 9. ¿Por qué _________ (Jose) sueño por la mañana? 10. Mi amiga _________ tres hijos. 11. ¿Cómo se dice "Patricio tiene ganas de comer" en inglés? 12. ¿Cómo se dice "Ana has to

    asked by luke
  18. math

    30 is added to 1/3 of a number. the results is double the number. What is the number?

    asked by tyler
  19. eng

    i oppose procrastination what are some arguments that don't opose it that i can use?

    asked by jerson
  20. marketing

    I need a better understanding please. Do you know a commercial I could use Think of a product that you have seen advertised on television, a magazine, or on the radio. Describe the product and identify two external influences that might lead a person to

    asked by scooby9132002
  21. What is the opposite of this phrase?

    What is the opposite of "Holy Writ?"

    asked by Marcia
  22. 6th grade Math


    asked by Arlena
  23. math (fractions)

    Subtract the fraction 7 4/5 from the fraction 18 6/15 and reduce your answer to lowest terms. A. 11 9/15 C. 10 12/15 B. 11 1/5 D. 10 3/5 D is this correct?

    asked by Amanda
  24. mathematics

    In a mathematical equation, the coefficient is A. the numeric value of the unknown that makes an equation true. B. the term brought from one side of an equation to the other by performing the opposite operation. C. a number or quantity placed before

    asked by Anonymous
  25. Spanish QUestions LOOK DOwn please!!!

    PLease look down. Thank you.

    asked by luke
  26. accounting

    Which of the following would you use to record your checking account transactions? A. A check stub or check book registry B. A deposit slip C. A signature card D. Checks or drafts A

    asked by Trevor
  27. 4th grade science

    What are some ways people can help animals?

    asked by Chris
  28. American History

    Can someone check these answers for me and also help with the five that I missed?? | ___T__ 1. Lincoln narrowly defeated Douglas in 1860 as a result of his success in the presidential debates. T/F | ____D_ 2. All of the following were issues in the War of

    asked by DEE
  29. pre cal

    Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.

    asked by maxine
  30. algebra

    how do i find the domain to:: p(x)= 2x-5

    asked by Le
  31. Prealgebra

    92% of 30 is what number

    asked by Annie
  32. physics

    Party hearing. As the number of people at a party increases, you must raise your voice for a listener to hear you against the background noise of the other partygoers. However, once you reach the level of yelling, the only way you can be heard is if you

    asked by NIR
  33. French Skit

    I have to create a 20 line skit (10 lines per person) involving food and using a menu as a prop. A funny skit would be nice. I have no ideas whatsoever..... Do you have any ideas? Merci.

    asked by Larry
  34. French

    Food script I had to do for French. Involves two people. Can someone please check it and give feedback if something is incorrect. 1. Bonjour monsieur. 2. Bonjour garcon. 1. Vous desirez? 2. Je voudrais le poulet frit avec jus de raisin. 1. Très bien,

    asked by Larry
  35. Calculus

    Find the F^(-1) (6) - inverse f(x) = x^5 + 3x^3 + x + 1

    asked by Anonymous
  36. health

    Need help writing a report on nutritional value.

    asked by beth
  37. Biology

    What two species belong to the Asian fairy bluebird?

    asked by B.B.
  38. math

    how would you determine a conic represented by the polar equation r=a*cos(x)+b*sin(x). then how would you convert the equation to rectangular form? please help

    asked by mike
  39. Biology

    What two species belong to the red-eyed vireo?

    asked by B.B.
  40. math

    Calculate the amount of interest on a loan of $3,200 at 6% interest for 60 days using the ordinary interest method. A. $3.16 C. $32.00 B. $31.56 D. $384.00 3200x6% divided by 60=32.00 is this correct

    asked by Anonymous
  41. spanish sra jmcguin

    can you review these please 1. Un juguete que tenía de pequeño era un osito negro que compré en una tienda. 2. Una amiga de la infancia era Sara y era muy simpática. 3. Una prenda de vestir que me gustaba mucho de pequeño era el sombrero grande de mi

    asked by sam
  42. spanish sra jmcguin

    1. ana tenia una casa preciosa en el centro, pero era/fue muy viejay no tenia calefaccion. Al final se mudo. we must choose era or fue -- i think it is fue. 2. A los anos descubrieron que marquitos era/fue milope y le pusieron gafas, claro. chose era or

    asked by sam
  43. math

    An amusement park purchased equipment from a manufacturer for a list price of $42,000, minus trade discounts of 30/20/15. Calculate the amount of the trade discount on the purchase. A. $19,992 C. $23,520 B. $22,008 D. $29,400 could someone help me

    asked by Amanda
  44. mathematics

    A retail jeweler sells a pair of gold earrings for $213.90. The jeweler uses a 130% markup based on cost. Based on this information, what was the wholesale cost of the earrings? A. $93.00 C. $276.90 B. $164.53 D. $278.07 213.90 divided by 130%=164.53 B

    asked by Emma
  45. marketing

    When conducting marketing research- how much of a factor do you believe these internal influences are? How would a marketing group go about researching this?

    asked by scooby9132002
  46. is this a good thesis

    Time is precious and precious is time, so why waste it. for procrastination? and would this thesis be a contrast

    asked by jerson
  47. Pre. Cal.

    The expression 81 p^4 + 108p^3r^3 + 54p^2r^6 + 12pr^9 + r^12 is the expansion of which binomial? My answer: (3p + r^3)^4

    asked by Lanie.
  48. Chemistry

    Xrays with a wavelenth of 1.70A scatter at an angle of 21.5 degrees from a crystal. If n=1, what is the distance between planes of atoms in the crystal that give rise to this scatterying? So far I've gotten .367 radians but I have no idea where to go from

    asked by gnozahs
  49. Grammar

    I don't quite understand this one; choose the answer choice that contains an illogical comparison: A.The architect's plan was more expensive than the company had expected. B.These strawberries are the biggest ones we've grown. C.He's got more cats than

    asked by mysterychicken
  50. identifying fallacies

    1. Letter to the editor: “I would like to express my feelings on the recent conflict between county supervisor Blanche Wilder and Murdock County Sheriff Al Peters over the county budget. 

    asked by Anonymous
  51. Grammar

    Which sentence contains an item that is either incorrectly in quotation marks or that should be in quotation marks: A.Read the chapter entitled "The Hidden Life of Molecules." B.Why did you call the painting "Wildlife Number 57"? C.The short story about

    asked by mysterychicken
  52. AED

    Use a Microsoft® Excel or Word table function to propose and create a schedule of school-related tasks for a typical teaching day from the time you arrive at school until the time you leave school at the end of the day.

    asked by scooby9132002
  53. fractions in input output table

    triangle = square multiplied by 4 so wat is 2/3 multiplied by 4

    asked by Jocelyn
  54. Physics

    True or false? Are these correct? In a gas kept at a constant temperature, all molecules move with the same speed. FALSE. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. TRUE. 3. The thermal energy of

    asked by Damian
  55. Physics

    A wave has an amplitude of .25m, a wavelength of .68m and a frequency of 3.2 hz. Find it's velocity? To solve I just used v=3.2 * .68=2.176m/s because amplitude doesn't factor into velocity. Is this right?thanks.

    asked by NH
  56. Physics

    A cable pulls a crate of mass 19.0 kg across the floor in 6.8s. If the total distance traveled is 5.40 m, find the power used by the cable. (19)*(9.8)*(5.4)/(6.8) ) 147.9 W Raul pushes a stalled car with a force of 204 N. If the required force decreases at

    asked by Damian
  57. math

    would this be a correct proof of the cauchy-schwartz inequality: abs=absolute value abs(u*v) is less than or equal to abs(u)*abs(v). Then you divide both sides by abs(u)*abs(v) so that you get cos(theta) is less than or equal to 1.

    asked by annie
  58. Need help with this sentence... thanks

    Before her singing career took off,...... What word could I replace the phrase "took off" with? I was gonna say progressed but it does not seem to have the same effect...

    asked by Marcia
  59. presentation-maths

    I have to do a presentation on maths. It is on time but I can't think of many mathmatical links.

    asked by Anonymous
  60. Health

    What kind of project should i do on the human mouth

    asked by Sally
  61. health

    What is a neoplasm? A. Another word for a malignant tumor B. A type of carcinoma that grows only in the mouth C. Any new and abnormal growth D. A benign swelling of epithelial cells I think the answer is (A) is this correct? neoplasm (NEE-oh-PLA-zum) An

    asked by Kimberly
  62. culture diversity

    What's the common definition term of social ranking by social wealth

    asked by kenny
  63. Ethics

    What is “institutional discrimination?” Give an example

    asked by SK
  64. Chemistry

    If the molecular mass for a chemical is 153.82 g/mol and the enthalpy of formation is -135 kJ/mol, the heat change will be_______kJ when 10.0 g of this chemical is formed.

    asked by Linda
  65. math

    In a restaurant, a man ordered soup for $3, an appetizer for $4.25, dinner for $17.90, a beverage for $1.50, and dessert for $3.75. He left the server a 15% tip. What was the total cost of the man’s meal, including the tip? A. $36.11 C. $30.40 B. $34.96

    asked by Emma
  66. 5th grade math

    Round 427,685 to the nearest thousand. A. 400,000 C. 428,000 B. 427,000 D. 430,000 the answer is C Round 0.8394263 to the nearest hundred-thousandth. A. 0.840 C. 0.83942 B. 0.83943 D. 0.839 would the answer be B?

    asked by Matthew
  67. math

    Add the fractions 2/3, 3/8, and 5/12 and reduce your answer to lowest terms. A. 10/24 C. 1 11/24 B. 25/24 D. 1 1/2 would you add 2/24, 3/24, and 5/24 which equals 10/24 but I don't understand the lowest terms.

    asked by Emma
  68. culture diversity

    what term would be use to an oppressor that uses race to determined who is and is not privilged

    asked by kenny
  69. Converging Lenses

    As the value of the focal length increases, does the image size increase or decrease? I think it would increase as well but I'm not shure. Can anyone verify?

    asked by Tiffany
  70. math

    A college professor has 370 papers to grade. In one evening, she grades 80 percent of them. How many ungraded papers will remain for her to complete tomorrow? A. 316 C. 82 B. 296 D. 74 I x'd 370 by 80% which equaled 296 then I subtracted 296 from 370 and

    asked by Emma
  71. skin science

    what type of doctor treats a skin condition called keloids? Is it a dermatologist, surgeons, or cosmetologist?

    asked by Anonymous
  72. english

    a small building where animals or tools are kept.

    asked by wachikla
  73. spanish

    I need to write 10 facts about the history of lima peru and so I was wondering if someone could check my grammar. Each english line is followed by my spanish translation. Please check to see that they are correct. On October 28, 1746, a powerful earthquake

    asked by Rick
  74. english help!

    Hi, I have a question. What is a news theme and why the media might develop one? I am not sure what this question mean? Thanks.

    asked by karina
  75. Math

    Can someone help me understand how to convert numbers to base numbers. Such as.... 1. 40 to base two 2. 502 to base eight 3. 42 to base five I have researched the web and cannot find a site that explains it in normal english! Any help would be appreciated.

    asked by Lisa
  76. math

    solve for x x+8=-1 solving with addition and subtraction(type in)

    asked by micheal
  77. french

    How do you do pronom objet indirect?

    asked by Anonymous
  78. french

    How do you do pronom objet indirect?

    asked by lalalalal
  79. chem

    i don't get this at all can you please show me how to do this problem: a sample of oxygen occupies 10.0 L under a pressure of 105 kPa. at what pressure will it occupy 13.4 L if the temperature does not change. please help me set it up

    asked by melissa
  80. spanish

    "Mañana vamos a ver el último partido del campeonato de béisbol. ¿Quieren Uds. ir con nosotros?" "¡Por supuesto! ¡Siempre _____ con Uds.!" a. pedimos prestado b. lo pasamos bien c. empatamos d. levantamos pesas B

    asked by y912f
  81. chemistry honors

    a student collects 400 mL of oxygen at 9.80 kPa. if the tempeture remains constant, what volume would this gas occupy at 9.40 kPa

    asked by sal
  82. U.S History

    I'm writing a history essay and I was wondering if anyone knew or where I could find information on the punishments for women in the U.S during the 17 ans 1800s. Example-forging, murder, cheating on their husbands, (waas their any punishment for

    asked by Jill
  83. spanish

    "¿Crees que Jacobo _____ tan rápido como tú ayer?" "Sí. ¡El tiene una entrenadora fantástica!" a. empató b. soportó c. ganó d. corrió D

    asked by y912f
  84. spanish sra jmcguin

    Hi I have so many tests - Is it possible to scan my spanish and have you look a at it. there are 12 questions each is 3 sentences and I need to make sure I have the right verb. Please let me know

    asked by sam
  85. Pre-Algebra

    Can someone show me how to turn this into an equation? I mean like 'y=x-z' -2x+ y > or equal to 2 Did I say what I needed to get right? -MC

    asked by mysterychicken
  86. Economics quick question

    Could you check these please thanks. A --------- is a graph showing the quantities supplied at each possible price. A. Supply Schedule B. Law of supply C. Supply Curve D. Market Supply Is the answer C??

    asked by Taylor
  87. spanish sra jmcguin

    this is the first part -- there are still the 12 sentences. I am not sure what I am suppose to do on this. instruction: como eran estas personas o cosas? example - Mi primer/a maestro/a. Mi primero maestra se llamaba Anne, era muy simpatica y nos contaba

    asked by sam
  88. Math

    How do you factor 2x^2+2x?

    asked by Angie
  89. Pre-Algebra(URGENT)

    I need three ordered pairs for the following equation: y= 3 - x/2 Thanks -MC

    asked by mysterychicken
  90. pre calculus

    Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,-2). If the coordinates of the center are (2,-4), find

    asked by maxine
  91. spanish

    "¿Fueron Uds. a ver la nueva obra de teatro?" "No, no _____. Tuvimos que ir a una fiesta de disfaces." a. pudimos b. tuvimos c. hicimos d. fueron i THINK the question is saying: "Do you want to go see the new play?" "NO, ________. I'm going to be going to

    asked by y912f
  92. American History

    Please help.. 49. Of the following Southerners, who was the most pro-slavery and pro-secession: A. Jefferson Davis, B. Robert E. Lee C. Sam Houston D. William Yancey? | 50. The first generation of women’s rights advocates did NOT include: A. Lucretia

    asked by dee
  93. biology

    Will the bacteria that absorded the recombinant plasmid be able to survive in an environment that contains tetrachycline? Ampicillin?

    asked by Anonymous
  94. Holocaust

    As part of my study on the holocaust, I need to come up with 10 items I can fit in my back pack because I'm being sent off to a Nazi work camp. These items are supposed to be from this time in history. Thanks

    asked by Lisa
  95. spanish

    "¿Comó _____ la obra de teatro anoche?" "Bastante mal. Me aburrí mucho." a. fueron b. prestaron c. estuvo d. pudo i think it says: How _____ the play last night? Rather bad. I was very bored so the correct answer would be "was" ?? i'm not sure what the

    asked by y912f
  96. Science -Electricity

    A complete circuit requires an _____ ____ for electricity to flow from the ______to the _______ in the circuit and ______to the battery. I'm trying to fill in the blanks. I think the first two are electric current think the second two are positive and

    asked by Adam
  97. US history

    Hi, I have an assignment to write a research paper of my choice. I chose september 11th but I need to come up with my own prompt. I came up with this one To what extent did the tragic attack of September 11th effect our nation as a whole, as well as

    asked by Jason P
  98. spanish

    ¿Para qué deportes se necesita un balón? a. el fútbol, el básquetbol y el fútbol americano b. el tenis, el béisbol y el golf c. los bolos, el hockey y el tenis d. el tenis, el golf y los bolos A

    asked by y912f
  99. spanish sra jmcguin

    1. Un juguete que tenia de pequeno bambino osito esta color negro comprar el burberry la tienda. 2. Una amiga de la infencia es Sara tu hermana, era es muy simpatica y much especialmente persona. 3. Una prenda de vestir que me gustaba mucho de pequeno es

    asked by sam
  100. spanish sra jmcguin

    1. ana tenia una casa preciosa en el centro, pero era/fue muy viejay no tenia calefaccion. Al final se mudo. we must choose era or fue -- i think it is fue. 2. A los anos descubrieron que marquitos era/fue milope y le pusieron gafas, claro. chose era or

    asked by sam
  101. Math

    How do you simplify 5-4n/4n-5?

    asked by Angie
  102. Economics

    Could you please check these thanks. Directions match each item with the correct statement. Not all terms are USED. Here are the words to fill in the blanks. business planning demand curve complements elastic demand expensive goods demand marginal utility

    asked by Taylor
  103. spanish sra jmcguin

    1. Un juguete que tenía de pequeño era un osito negro que compré en una tienda. 2. Una amiga de la infancia era Sara y era muy simpática. 3. Una prenda de vestir que me gustaba mucho de pequeño era el sombrero grande de mi abuelo. can you review this

    asked by sam
  104. Calculus

    Find the equation of the tangent line to the curve 2e^(xy) = x + y at (0,2)

    asked by Matt
  105. Biology

    How are scientists able to piece together the process of protein synthesis and the effects of genetic controls without direct observation?

    asked by Connie
  106. Economics

    Could you please check these. Directions: Match each statement with it's correct definition or item. Here are the words productivity subsidy supply schedule supply elastic surplus profit price floor government regulations equilibrium price supply 1. amount

    asked by Taylor
  107. science

    a compound that has positive and negative ions in a regular pattern or crystal is an_______________

    asked by Nick