Questions Asked on
June 7, 2007

  1. Physics;Help!!!!!!

    There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question

    asked by Writeacher
  2. science-plz help this is so urgent!

    8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if

    asked by jen
  3. riddles

    what do you call the golden gate bridge at 5.pm put this riddle on the Riddle section. http://www.jiskha.com/net_riddle/

    asked by me
  4. AP Chemisty

    N2(g)+3F2 yields 2Nf3(g) Delta H(degree)298=-264KJ mol-1;Delta S(degree)298=-278J K-1 mol-1 The following questions relate to the synthesis reaction represented by the chemical equation above. a.)CAlculate the value of the standard free energy change,

    asked by Jenna
  5. BSHRM

    I can't find any classification of food service operations. ;-) http://www.answers.com/classification classification = type = kind =)

    asked by Margie
  6. International Business

    The U.S. congress approved the North American Free Trade Agreement (NAFTA) despite strong opposition from organized labor. What motivated labor's stand? Have labor's forecases turned out to be correct?

    asked by M
  7. math/algebra

    solve each of the following systems by substitution. 16) 5x -2y = -5 y - 5x = 3 20) 8x -4y = 16 y = 2x - 4 28) 4x -12y = 5 -x + 3y = -1 Step one: Solve on of the equations for one of the variables. y=2x-4 Step two:Substitute the expression for the variable

    asked by Diana
  8. Physics

    Hello everyone I know that when a force is applied it has to exert a force opossite But this really is not in my head can someone please give me an evidence or even a diagram showing how can we exert an opposite force if we are walking forwards Thanks alot

    asked by Jimmy
  9. To "rachel" or "jen" or whoever

    Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas. An even better subject heading would

    asked by Writeacher
  10. Sorry- Chemistry / Ionic Bonding

    Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works . Please I really beg you... I need your help! My

    asked by Sasha
  11. Math

    What was the percent increase in the population in South America from 1900 to 2000? in 1900- 38,000,000 in 2000- 515,000,000 I was thinking that I need to divide 515,000,000 by 38,000,000 which is 13.55% but I am not sure. subtract 38,000,000 from

    asked by Maggie
  12. Math

    Compare the population per square mile in Asia to the population per square mile in North America for the year 2000 Asia is 17,400 (land area) and land area is 1000 mi squared population is 4,028,000,000 North America is 9,400 (land area) and land area is

    asked by Maggie
  13. math linear equations

    suppose you earn 5.50/h at a bakery. From your first paycheck you discover that $1.15/h is withheld for taxes and benefits. you work x hours in a five day week and you spend $3.75 each day on lunch. Write an equationfor your earnings for a 5 day week after

    asked by Daniel
  14. history

    what was education like in sydney in the 19th century? These sites may help you. http://www.edsw.usyd.edu.au/about/history/index.shtml (Broken Link Removed)

    asked by gen
  15. Math

    Hi I have optimization Qs with MATLAB can you help me and did you know about MATLAB cheers

    asked by Medo
  16. math

    What is the lowest numberthat has a remainder of 1 when divided by 2 and a remainder of 2 when devided by 3 and a remainder of 3 when divided by 4 and a remainder of 4 when divided by 5? The answer is 59. There is a general method for solving such problms,

    asked by jamie
  17. Math/Euler's Method

    Consider a cooling cup of coffee whose initial temperature is 205°. The room temperature is held at 70°. Suppose k = 1/16. Let y be the temperature, and y' its time derivative. ----------------------------------- I have the differential equation: y' =

    asked by COFFEE
  18. calc asap!

    can you help me get started on this integral by parts? 4 S sqrt(t) ln(t) dt 1 please help! thanks! Integral t^(1/2)Ln(t)dt = 2/3 t^(3/2)Ln(t)- 2/3 Integral t^(1/2) dt = 2/3 t^(3/2)Ln(t) - 4/9 t^(3/2) Simpler method: Integral t^(a)dt = t^(a+1)/(a+1)

    asked by Woof
  19. writting

    How would you approach creating a negative message for a superior? http://answers.yahoo.com/question/index?qid=20060830050606AACEvV3 ... and be sure you use a spell-checker.

    asked by linda
  20. Biology

    i am doing research on pandas and i need some questions i can research on i already have these: Why are pandas going exticnt,issues threatining pandas, and population and enviorment descriptions...well they are not really question questions but they are

    asked by nah
  21. Physics - Ionic bonding

    Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works and when we're taking about this table here can

    asked by Sasha
  22. riddle

    What is as big as a castle. Weighs nothing, but a thousand men can't move it? I would guess its shadow at the right time of night. I keep saying stupid things...then correcting myself. Right time of DAY* I think its a cloud....:-)

    asked by Linda
  23. French

    hello I am going to a french interview tomorrow and the teacher is going to ask me:"do you have a topic that you have prepared that you want to talk about?" in french. and i will say "yes i have. my topic is about my house..." can someone please tell me

    asked by Pauline
  24. Math

    What was the percent increase in the mean population from 1950 to 2000? 1950 - 426,000,000 2000 - 1,046,500,000 DO I divide 426,000,000 by 1,046,500,000 which is 40.7%? No. First you find the difference in the mean population. Then you take the diiference

    asked by Maggie
  25. State & Local Government

    I am having trouble understanding the Federalist #45 http://en.wikipedia.org/wiki/Federalist_No._45

    asked by Renae
  26. Chemistry

    What are the conditions required for the following reactions to occur: 1. Addition reaction of alkenes with hydrogen halides. 2. Addition reaction of alkenes with halogens. 3. The dehydration of alcohols. Thanks.

    asked by Shym
  27. SS

    A_ +_ +LE _E + _ = O__ put this riddle on the Riddle section. http://www.jiskha.com/net_riddle/

    asked by Steve
  28. Math

    What is the total area of Europe? the land area is (1,000 mi squared) Europe land area is 3,800 so do I do it like thsi? 3800*1000 mi squared=3800000 mi squared? You have a problem here: 3800 what? Please completely rewrite the problem. Then repost it.

    asked by Maggie
  29. maths HELPPP

    Y= AX + B Write a program for the calculator which: • Generates and displays suitable integer values of A and B: • Requests the student to input the coefficient of Y and the constant term in the re arranged formula; • Checks the students answers; •

    asked by kat
  30. Physics

    How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers

    asked by Pamela
  31. Math

    I posted this earlier, but got no answer. So I am re-posting. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? I am a little lost, I understand

    asked by Jane-Ellen
  32. HELP

    How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers

    asked by Pamela
  33. English

    Where was the planning of d-day at? I mean where were the Americans, Canadians, and British meeting, to discuss the plannings of d-day? Thank you for using the Jiskha Homework Help Forum. There was a great deal of planning and the first planned date was

    asked by John
  34. All the Word Scramblers

    Thank you all for the Unscrambled Words but there are way too many! To ALL of you, here are some sites to try. My favorite is #1: 1. http://www.ssynth.co.uk/%7Egay/anagram.html 2. http://www.utsire.com/anagrams/ 3.

    asked by SraJMcGin
  35. BSHRM

    1.how will you know that the food is safe to eat? 2.what are the factors involved in food safety? thank you :-) http://www.foodsafety.gov/

    asked by Margie
  36. economics

    The Australian dollar is currently very high, with a value of US$0.80. Many people expect the Australian dollar to rise even higher by the end of the year, to as much as US$0.90. Use a ¡°FOREX¡± (foreign exchange market) diagram to show the impact of

    asked by Gary.L
  37. Math

    Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? I am a little lost, I understand the deposit BUT from what I understand she wrote 2 check in the

    asked by Jane-Ellen
  38. Nutriton

    I am wondering how would you do a slide show about the Nutritional Needs in Pregancy, infants teenagers, adults, and older adults. I am confused on what I need, I was thinking using the food needed along with the amount of calories for teen-older adults.

    asked by Fonda
  39. electricity

    If one body is positively charged and another is negatively charged what will free electrons do? Generally it flows providing they are touching (or close enough to jump) and are conductors. Please read: http://www.kpsec.freeuk.com/electron.htm

    asked by catherine
  40. economyst check!

    In many families both parents work, as a result there is increasing need for day care. Data was collected; and one year in Canada approximately 32% of children aged 0 to 11 years were in day care for at least 20h per week. What is the probability, in a

    asked by stats!
  41. biology

    Explain how respiration and the circulatory system work together when an individual is exercising. Does tissue need oxygen at a higher rate? Does tissue need to void CO2 at a higher rate? Does the heart pulse speed up? Does the breathing rate increase?

    asked by Gabrielle
  42. Religion

    similarities between Baptist Church and Roman Catholic Church Both have sacraments, basically the same beliefs, and loosely on the same texts. Both believe in the Trinity of God. Please check your textbook and tell us what you've found. We'll be glad to

    asked by Krystle
  43. French

    How do you say "if you want to read this..." in French? Would it be "Si vous voulez lire ceci...?" Thank you for using the Jiskha Homework Help Forum. Yes, that is one way. To be more polite, you might say "if you wish..." = Si vous voudriez.....

    asked by -
  44. math

    A box with a square base and no top is to hold 32in^3. Find the dimensions that require the least building material nevermind i got it

    asked by jean
  45. philosyphy

    Why do we drive on parkways and park in driveways? Why is there brail on a drive up ATM? More riddles -- these need to be posted in the Riddles section at the bottom of the main Jiskha page. =) Parkway: A parkway is a general designation of a type of

    asked by Linda
  46. BSHRM

    1.What are the different classification of food service operations? 2.What are the different types of food service system?

    asked by Margie
  47. economics

    China is one of the few countries in the world to have a fixed exchange rate. In the past, it has experienced a huge increas in exports of goods. Use a "FOREX" diagram to show the effect of the increase in exports. In your answer you must explain the

    asked by Gary.L
  48. economics

    In the 1920s the French Government was determined to greatly increase its gold reserves by manipulating its exchange rate. Explain what exchange rate regime the French Government would have chosen for this purpose and explain how it would have achieved its

    asked by Gary.L
  49. Government

    Article III of the Constitution creates the judicial branch. This article: A. grants Congress the authority to establish lower federal courts as it deems fit. B. prohibits states from creating their own judicial systems. C. establishes a Supreme Court and

    asked by John
  50. French

    Is it correct to say "apres il a fini, nous avons..." or should it be "apres il finissait, nous avons..." Thanks No, I think it is more appropriate to say "apres qu'il a fini, nous avons..." or it could be " apres avoir fini, nouus avons..." Thank you for

    asked by Ann
  51. Business

    What are the fundamental differences between Windows®, Mac OS®, UNIX, and Linux operating systems for personal computers? What unique characteristics do mainframe operating systems have?

    asked by Sweetpea
  52. science

    if a magnet is moved in and out of a coil of a copper wire, electrcity begins to flow through the coil. True or False If the coil is in a closed circuit then electricity will flow, if not there will be only an induced emf.

    asked by julie
  53. math

    what is the lowest number which is divisible by 1,2,3,4,5,6,7,8 and 9? Go to: http://www.helpwithfractions.com/least-common-denominator.html And apply method 2 It works very well.

    asked by jamie
  54. math

    If a man drove 3.5 miles to a gas station and on the way home drove 2 times that +.7 miles,how many miles did he drive?? 3.5 + 2 times 3.5 + .7 = what Do the math. 17.5 omg ur so smart...

    asked by Caitlyn
  55. HelpMeLinda

    Hello miss Linda I really appreciate you explaning the topic thankyou very much my question is Why does stone (concrete) strong under compression ? can you explain me this and Why is Steel strong under tension ? thank a mil Well, stone is not always

    asked by Jr. Smith Laren
  56. Math

    Would this be correct? What is the percent increase in the population for all six inhabited continents, excluding Asia, from 1950 to 2000? total for 1950 - 965,000,000 total for 2000 - 2,251,000,000 2,251,000,000 - 965,000,000 = 1,286,000,000 1,286,000,000

    asked by Maggie
  57. child care

    how does poverty affect the growth and develpment to children Please try some reading here:

    asked by emma
  58. Maths

    Hello how do we get the resultant force of a vector id the the forces were in different directions ? and how do we use the parellogram thingi do we just add the forces? please can some1 explain me this in their own words thanks alot Since this is not my

    asked by Acer
  59. Calculation !

    Bonjour If we have a young man who weigh's 1000 N and another one weighs 500N on a seesaw They have the same distance apart which is 2 metres away from the pivot Why do we get the overall 500N Turning clockwise to the 1000N person ? More mass in the

    asked by Kaffirlily
  60. TO "HelpMeLinda" and "Jr. Smith Laren"

    Please post under one name. Multiple posts from one IP address are questionable. Thanks. =)

    asked by Writeacher
  61. math

    3 MEN GO INTO A MOTEL. THE MAN BEHIND THE DESK SAID THE ROOM IS $30, SO EACH MAN PAID $10 AND WENT TO THE ROOM. A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25, SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5. ON THE WAY, THE

    asked by bo
  62. maths

    number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this

    asked by S
  63. maths

    for this equation x^2 - x = 0 would x = 1 i think this is the answer but i need to write it out step by step in how i worked the answer out, can any one help me please?? factor (x+1) (x-1) =0 so solve each little equation x+1=0 x=-1 and x-1=0 x=1 so both 1

    asked by sarah
  64. spanish/social

    Latin americans have immigrated here legally or illegally, and some remain in their countries. Lately George Bush has made a deal for illegal aliens. What is the importance of this? Thank you for using the Jiskha Homework Help Forum. Here is the site

    asked by joseph
  65. Biostats

    I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer,

    asked by Grace
  66. Spanish Help, Por Favor!

    Please help me correct the following paragraph for grammar, spelling, and word usage. Thanks! El testigo del Jehová estaba parado en el borde de la tabla y gritó para sus pantalones. Desafortunadamente, los tres enanos habían funcionado ya lejos,

    asked by Juan