Questions Asked on
April 1, 2007

  1. Calculus

    I really need help with this problem an automobile accelerates from rest at 1 + 3(square root)t mph/sec for 9 seconds. How far does it travel in those nine seconds? I have found that the velocity, after nine seconds, is 63 I have figuredout the answer but

    asked by James
  2. Somebody answer

    answer questions Ask a question. I have been working on the question for at least an hour. The question is: I have to spend 100 dollers and by 100 brains. Cow brains 5.00 Pigs 2.00 sheep 0.10 I have to buy one of each. I am very confused. Are teacher gave

    asked by dfsfd
  3. Chemistry

    Explain why acetic acid has four hydrogens, but is a monoprotic acid The formula for acetic acid is CH3COOH so yes it does have four hydrogens. But the only hydrogen that is able to easily come off and be donated to another molecule is the H from COOH and

    asked by John
  4. physics

    In preparation for shooting a ball in a pinball machine,a spring (K=675N/m) is compressed by 0.0690m relative to its unstrained length. The ball(m=0.600kg) is at rest against the spring at point A.When the spring is released, the ball slides (without

    asked by Cavin
  5. Chemistry

    Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following

    asked by Brandon
  6. Chemistry

    How many valence electrons does molybdenum have? (give only 1 answer) Go to this site and look for the electrons available in the outside shells. Click on element #42 and scroll down the menu on the left side until you come to electron configuration.

    asked by Al
  7. Economics - Marginal Utility

    If the price of a cheeseburger is $2 and the price of a bag of french fries is $1, and you have $7 to spend (and you can spend all of it). What is the utility-maximizing combination of cheeseburgers and french fries? Wouldn't that depend on the utility

    asked by Tracci
  8. physics

    In preparation for shooting a ball in a pinball machine,a spring (K=675N/m) is compressed by 0.0690m relative to its unstrained length. The ball(m=0.600kg) is at rest against the spring at point A.When the spring is released, the ball slides (without

    asked by Coreen please check the answer
  9. Physics

    How is it possible for a fabric (textile) to conduct the 3 modes of heat transfer (conduction, convection and radiation?) i've been searching for a possible experiment to investigate this but no luck Anything with a higher temperature than its surroundings

    asked by Pet
  10. Econmics - Marginal Utility

    total utility of total utility of cheeseburgers french fries 0 0 20 8 36 14 48 18 56 20 60 20 What is the utility-maximizing combination of cheeseburgers and french fries if cheeseburgers are $2 and french fries are $1 and you have $7 to spend (and you can

    asked by Tracci
  11. algebra- can't figure out this problem!!!

    The graph of (3(x+2)+1 / (x+2)^3)-6 is the same as the graph of 3x+1 / x^3 only it is shifted _____________. start with 3x + 1/x^3 now replace x with x+2 and you will get 3(x+2) + 1/(x+2)^3 which will result in a horizonatal shift of 2 units to the LEFT

    asked by Anonymous
  12. Chemistry

    Chromium is electroplated from an aqueous solution containing H2SO4 and H2CrO4. What current is required to deposit chromium at rate of 1.25g/min. 1.25g x 1mol/51.9961 = .0240mol Now I just don't know how to figure out the number of electrons to do the

    asked by Jennifer
  13. math

    find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17/6, 3/2, 1/6..... If you change the denomators to 6, you should notice the numerators follow the sequence: 33,25,17,9,1,...which is an arithmetic sequence with a common difference of

    asked by brandon
  14. Chemistry

    Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following

    asked by Brandon Linkes
  15. Chemistry (equilibrium)

    In the following equilibrium system, N2O4(g) NO2(g), what happens to the color of the gas if the forward reaction speeds up? What happens if the reverse reaction speeds up? What happens if the forward and reverse reaction happen at the same time? NO2 is a

    asked by abby
  16. ? about this website

    Yes. I have wondered this for a while. Can you guys tell what house or computer the questions come from? Well...not REALLY. But that doesn't mean other people can't. When you are online, your computer has an IP Address (Internet Provider Address). With

    asked by GuruBlue
  17. math questions

    Please help me to resolve that sevent questions.Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the

    asked by carmen
  18. Science

    What is the difference between mass an weight? http://www.google.com/search?hl=en&lr=&as_qdr=all&q=allintitle%3A++%22+mass+and+weight%22+site%3A.edu&btnG=Search

    asked by La La Laquandra
  19. physics

    A spiral staircase winds up to the top of a tower in an old castle. To measure the height of the tower, a rope is attached to the top of the tower and hung down the center of the staircase. However, nothing is available with which to measure the length of

    asked by Coreen
  20. science

    why is copper used for electrical wiring? The have writen 'Copper is a good conductor of electricity.' Is this correct? Yes, copper is a good conductor of electricity. It also is ductile (easily drawn into wires) (extruded), copper ore is realitively

    asked by sean
  21. math

    Please help me to resolve that sevent questions.Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the

    asked by carmen
  22. MATH!

    Finding Common Demoninators in fractions. 1) 2 4 -- - --- x^2-16 x^2+x-12 2) x-3 x+3 ---- + ------ x^2+2x-8 x^2+7x+12 Can ANYONE help me with these. I cant figure out how to get the DEMONINATORS THE SAME!? Use brackets to write these kind of fractions, the

    asked by megan
  23. mummification

    What substance was used to stuff the nostrils? http://www.touregypt.net/featurestories/mummification.htm Use Ctrl + F and search for nostrils. =) Thank you for using the Jiskha Homework Help Forum. The nostrils were stuffed with resin or wax.

    asked by ???
  24. english

    Does this sentence make sense?: A highly informative book, Marc Aronson wrote Witch-Hunt Mysteries of the Salem Witch Trials. or does it make it seem as though Marc Aronson is the highly informative book (which he's not)? Thanks for the help! can u write

    asked by Fidelia
  25. math

    A roof rises 9.75 ft over a horizontal distance of 15.84ft. What is the slope of the roof to the nearest hundredth? I am not sure if i am using the right fomula. i used the slope rise/run therefore i got : 0.6155303 and when rounded to the hundreadths

    asked by jasmine20
  26. civilizations

    Out of all the different civilizations, which one is the least known ? Since you're asking about the "least known" civilization, there aren't going to be many (if any) answers -- since people don't know about it! If you search Google for "little known

    asked by zak
  27. Calulus/Optimization

    I don't understand how to solve optimization problems, (like here's the volume of a box, find the least amount of material it would take to make such a box). Is there a tutorial or some general step by step instruction on how to do these? Thanks in

    asked by Amy
  28. math

    Solve the following applications. Crafts. Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a week earlier. Write the ratio of Marc’s time to Angelina’s time as a ratio of whole numbers. Once the numbers in

    asked by carmen
  29. Biochemistry

    I have asked for help from other classmates and we are so lost. Any help would be appreciated!! :) Q: What are the major carbon-containing products and the total molar yield of ATP when mammalian cell homogenates are incubated iwth the four fatty acids

    asked by Ashley
  30. Drama Question

    A prop-box is a/an: effective strategy for enhancing drama activities. (or) tool for evaluating activities Check this site for your answer. http://www.angelfire.com/dc/childsplay/Prop_Box_Ideas.htm Thank you for using the Jiskha Homework Help Forum. A

    asked by Bobbie
  31. physics

    when an object of mass M1 is hung on a vertical spring and set vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4hz. Find the ratio m2/m1 of the

    asked by CJ
  32. Algebra

    How to graph a system of linear inequalities. How to figure out the points. y2x+7 Plot the line y=-5x -7 I assume you know how to do that. Now, since y is less than that line (look at the original equation), the area of allowability is BELOW that line. Now

    asked by William
  33. Anne Frank

    I need a good website to look up Anne Frank and please nothing to do with wikapedia.

    asked by Amy
  34. Hottie

    If you want to be banned from this site, keep it up. sorry about my brother. He always tries to get himself in trouble. My mom just banded him from the computer. Sorry and hope you can forgive him. SORRY

    asked by bobpursley
  35. algebra

    Also, I belive that #4 is D. I drew out a graph and it is symmetrical to point A. After looking over #3, I got B because axis of symmetry is -b/2a, so it would be 6/2(1)= 3. I need help on how to do the following problems: 1. The graph of x^2 + y^2 = 100

    asked by Anonymous
  36. business and finance

    Please hel me to solve the following applications. Business and finance. A store has T-shirts on sale at 2 for $5.50. At this rate, what do five T-shirts cost? Thank you for using the Jiskha Homework Help Forum. Why not find out what one shirt costs first?

    asked by carmen
  37. Chemistry

    http://www.google.com/search?hl=en&ie=UTF-8&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=trifluoroacetic+acid&spell=1 What would happen to the strength of acetic acid if the three hydrogens that were on thte adjoining carbon were replaced with fluorines? It

    asked by DrBob222
  38. Science

    True or False: Einstein's general theory of relativity explains that light is unaffected by gravity. Fill in the Blank: Newton's law of says that the gravitational force between 2 objects is proportional to the quantity of their masses and inversely

    asked by Kelsey
  39. Calculus

    I'm having trouble trying to figure this problem out, I know the variables of the problem but I don't seem to get the right answer here is the formula that i'm using: A = P (1 + r/n)^n * t. Here is the problem: If Joe deposits $12,000 into an account that

    asked by Vesone
  40. Calculus

    alright. i need to write a definite integral for the volume and evaluate the integral for the region bounded by y=x^2, y=0, and x=1 revolved about the a) x-axis, b) the y-axis, c) x=2, and d) y=-2. HELP! Lets do the x=2 axis. dV= pi rh dr where r is

    asked by Megan
  41. College Alegebra

    I know I have to take the log of both sides, but I don't seem to get how they work out! Can anyone explain how to do 3e^(1+x) = 2 AND 10^(2x+3) = 280 If you walk me through one I should be able to figure out the other. Hopefully... I think you need to go

    asked by Lost in Logarithms
  42. history

    i have to draw a picture of a crusader soldier from the middle ages. i have tried a couple of websites but as i do not know what one looks like, i don't know which is correct. please help. http://www.albionmonitor.com/0404a/crusader.gif Thank you for using

    asked by lizbeth
  43. math

    I have to make a checker board 40cm by 40cm and it has to have 8 even squares in each row. Is the 40 cm 15 3/4 inches? and how do you measure each square to be equal? You'll need a ruler with centimeters. Then divide 40 by 8 to find the size (in

    asked by jared
  44. History

    About Cleopatra VII... Why do you think she is so famous? What about her as made her so iconic? http://www.bbc.co.uk/history/historic_figures/cleopatra_vii.shtml Here are a couple of sites that will give you some answers to that. (Broken Link Removed)

    asked by Lucy
  45. New York

    For a report I have to choose a state and a town and write about it I chose Franklinevill NY. Please help me find some websites or maybe find a better state and town to do my report on. Thank you I googled Franklinville NY and found this home page for the

    asked by sierra
  46. Us history

    Woodrow wilson was determined to " strike a new note in international affairs... to see that sheer honesty and even unselfishness... should prevail over nationalistic self-seeking in america foreign policy." evaluate in respect of a neutrality in ww1

    asked by Star
  47. Music and Movement

    A child-centered experience that connects music, movement,and language is: A. listening to the sounds of nature B. matching "sound shake" instruments C. visiting musicians in the community D. participating in musical storytelling Wouldn't it be (D)because

    asked by Chrissy
  48. Biology

    How is commercial root beer carbonated? Yeast-carbonated root beer contains a small amount of alcohol. ... which contain the same sort of artificial colors and flavors as commercial root beers. Since this is not my area of expertise, I searched Google

    asked by Raj
  49. science chem

    As a radio active material gets older, does it emit less, more or a constant level of radiation per second? There is less matter to convert, and it takes the same time per atom. Of course the activity is less.

    asked by sean
  50. Chemistry

    Explain why acetic acid has four hydrogens, but is a monoprotic acid. Answered above under another name (John).

    asked by Dave
  51. science

    light affected by gravity in einsteins general theory of relativity Look below at yopu previous post. I tried again

    asked by Kelsey
  52. Chemistry

    #3 a)What is the pH when 1.25L of a 0.200 M solution of the strong electrolyte NaH2PO4 is mixed with 1.00 L of a .150M solution of the strong electrolyte Na2HPO4? b)What is the pH if the volume of the solution in problem #3a is doubled? c) What is the pH

    asked by Aletha
  53. Science

    Characteristics of a normal fault, reverse fault, and strike slip fault. I think most everything you need is on the following page: http://en.wikipedia.org/wiki/Geologic_fault

    asked by Liz
  54. Science

    At why type of plate boundary are normal faults found? http://jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry19.html

    asked by Liz
  55. math , question

    Can someone give me an example of how might anyone apply radical expressions and their applications to the daily life of themselves. Well square root of 25 is 5 now A^2 + B^2 = C^2 We need to see if a box is square. So we measure down one side 3' the the

    asked by jasmine20
  56. social studies

    What sailor provedthat Columbus did not reach Asia?

    asked by Adrianna
  57. chem

    Consider the equation A in a 1L container. At 7.57C, the molar concentrations of A and B are 7.228M and 1.976 (respectively). Suddenly, 1.831 moles of A are added to the system. What is the change in deltaG of the system (Answer in kJ) At first, I thought

    asked by Marisol
  58. math

    what is 454,875,454,216,544/4,546,481,12= ? use a calculator. I don't have one. 1000500.03 and then there is a long list of things.

    asked by jackson
  59. Colorado

    Does anybody happen to know what colorodos state fish is. I used to live in colorado and it is Greenback Cutthroat Trout

    asked by martha
  60. Drama Question

    Creative drama offers a means for cooperative learning and teamwork through which? 1. shared experiences 2. creative illustrations 3. building language skills 4. improvised facial expressions I am thinking "shared experiences" offer a means of cooperative

    asked by Bobbie
  61. math

    8:15::24:45 I need to write the following as proportions. If Maria hit 8 home runs in 15 softball games, then she should hit 24 home runs in 45 games.

    asked by bobpursley
  62. Geography

    Identify any references to volcanoes, earthquakes, or the relationship of humans to these forces of nature in the Klickitat legend. please help...thanks Look at the last story at this site: http://www.wisdomoftheelders.org/prog7/transcript07_tis.htm Then

    asked by Cindy
  63. math HELP

    Okay the questions is I have 100 dollers to spend and I most buy 100 shoes. Flip flops are .10 each High heels are 2.00 each boots are 5.00 You have to buy at least one of each. I have been working hard on question and I feel like I am about to pull my

    asked by heather
  64. social studies

    what is the old japanese art of growing small trees called? bonsai

    asked by Valerie
  65. poetry

    In thornton Wilder's The skin of your teeth for this question Who says this quote Tear everything down I don't care if you smash it. Is the answer mr. antrobus. Thanks

    asked by casey
  66. advertising

    how would you explain the redeeming value of sexual appeals in advertising? if sexual appeals are considered okay by the targeted audiences, what responsibily does the advertiser have for indirect targets such as children and how can advertisers protect

    asked by Cher
  67. University

    3.

    asked by Lucy
  68. Early Childhood Ed.

    When children play-act and make change in an imaginary grocery store located in a theme corner, they are integrating which? 1. technology and creative drama 2. language and science 3. mathematics and creative drama 4. mathematics and nutrition Wouldn't

    asked by Kendra