Questions Asked on
March 13, 2007

  1. Geometry

    1 How many faces does a square pyramid have? 2 How many edges does a square pyramid have? 3 How many vertices does a square pyramid have? answer? 8, 5, 10 Viualize one of the great pyramids of Egypt. It's base is a square and it has four sides. So the

  2. Chemistry

    Please help! Complete equation by drawing structural formula(e) of the product(s). CH2=CH-CH-OH + CH3-CH-CH2-C =O CH3 CH3 -OH You will have to imagine the bonds as I can't draw vertical or diagonal lines! There are too many possibilities to imagine what

  3. Algebra

    Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224 m squared, find the length of the other base. The height dimension h is measure perpendicular to the to parallel "base" sides, a and

  4. geometric

    The perimeter of a rectangular carpet is 70feet. The with is three -fourths the length .Find the width. 38. The length of a rectagular room is six times as the width . The perimeter 84 yards. find the width. 39. The width of a rectangle is 12 less than the

  5. Chemistry (Check)

    Classify each of these statements as always true, sometimes true, or never true. __ST___13.In an equation, a substance is shown to be in the gaseous state by placing an upward-pointing arrow after its formula. ___ST___14. Atoms are destroyed in a chemical

  6. SOSE

    Hey people! i really need some help here. im doing an assignment and i need info (sites) i need to no umm the average humidity, UV index, daylight, wind, storms, cyclones and any other things. please. oh, and i need it on townsville. so if anyone could

  7. Organic Chemistry Q for DrBob222

    Hello again, Does this look right for Hex-1-yn-4-one? O ¨U CH3 ¨C CH2 ¨C CH2 ¨C C ¨C CH2 ¨C CH3 Spacing is a REALLY big problem with computers and boards of this type so I can't tell where the carbonyl group is located. First, should the yn you have

  8. English

    Can you help me summarise the book called Girls in Pants by Ann Brashares please? This site has several reviews of this book. Thank you for using the Jiskha Homework Help Forum. In

  9. Physics

    A pitcher throws a curveball that reaches the catcher in 0.55 s. The ball curves because it is spinning at an average angular velocity of 335 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in

  10. Physics

    A certain CD has a playing time of 80 minutes. When the music starts, the CD is rotating at an angular speed of 4.8 102 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.1 102 rpm. Find the magnitude of the average angular

  11. Economic Theory

    What is the price elasticity of supply for your chosen industry? I chose the airline industries I am trying to find some good web sites to help me does any one have any idea Google is the place to start. Search on "elasticity", "airlines". I got plenty of

  12. diabetes

    Does insulin therapy offer a cure for diabetes? Insulin therapy doesn't cure diabetes, but it, along with diet and exercise, help keep diabetes under control. Check this site for more information.

  13. math

    My homework tells me to divide the answer ,add the answer, and find the mixed fraction in the answer, but they don't tell me where I get the answer . What do I do? Surely there is more info. If not, you can't do it.

  14. math proportions

    The remainder is a fraction (remainder/divisor). Why don't you use a calculator...for instance, 31/7 is 4 r 3, but it is easy enought to just put 31 divide by 7 in the calc. I have to solve a proportion, and the answer I come up with has a remainder. I

  15. math

    3/5 is equal to what with 10 as the denominator.. Thank you 3/5 x 2/2 = 3x2/5x2 = 6/10 THANK YOU

  16. drwl / bobpursley please check

    I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.

  17. science - help fast pls

    1. a geologist claims to have found a sealed chamber below earths surface filled with air that is over 3.6 billion years old. How would such air be different from the air we breath today? 2. scientist think that the first life forms probably arose from

  18. math

    what are the facters of 60 & 100 1, 2, 5, 10, 20, are some of the factors they have in common

  19. Physics please check

    A pitcher throws a curveball that reaches the catcher in 0.55 s. The ball curves because it is spinning at an average angular velocity of 335 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in

  20. math,algebra,help

    can someone show me how to solve this: Simplify 3 --- + 1 x-5 ----------- 4 1 minus ---- x -5 that did n't look right...typo... here it is its a fraction on top of the other so the top is fine.the bottom should read one minus (4)/(x-5) Get least common

  21. science

    how is the air we breath today different from 3.6 billion years ago?'s_atmosphere#Evolution_of_the_Earth.27s_atmosphere

  22. Earth Science

    Please help me out with this question!: Explain how hurricanes form.

  23. math

    write as a single logarithm: ln(x/x-1)+ ln(x+1/x)- ln(x^2-1) please show me the steps. thanx Michelle, I hope you know the three main rules of logs. 1. log (AB) = log A + log B 2. log (A/B) = log A - log B 3 log A^n - n log A Using these rules and guessing

  24. calculus totally confused

    find a first degree polynomial function p(1) whose value and slope agree with the value and slope of f at x=c. i think you use taylor series for this f(x)=4/sqrt(x), c=1 i'm totally confused on how to do it. i know you find the derivative but how do i get

  25. Chemistry

    How do I do this problem? 1. A student did an alkalinity determination correctly, except that the sample titrated had a volume of 90.0 mL. Volume A was found to be 4.50 mL and Volume B was 7.00 mL. a) Calculate the alkalinity value from these data and then

  26. earth science

    Info on the largest earthquakes

  27. histroy

    Find two Web sites dealing with indigenous cultures and/or religions. Discuss how modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are the indigenous religions still being practiced today? If so, how have the

  28. Physics

    The stored potential energy in the trampoline at maximum compression, (1/2) k X^2, equals the gravitational potential energy at maximum height, M g H. (Kinetic energy is zero in both cases) X = 0.5 m g = 9.8 m/s^2 H = 2.5 m k = the spring constant. Solve

  29. English.

    I have an English project on Julius Caesar. I'm a sophomore in high school, by the way. I have to have a quote from act five of the play and connect it to something that happened in the last fifty years. I have absolutely no idea what to do and I have to

  30. marketing

    how ca i create a brand name and hw can i say that the name is relevant to the business Thank you for using the Jiskha Homework Help Forum. First of all, you need to pick a business. The yellow pages can give you lots of ideas.

  31. physics - drwls?

    The flywheel of a steam engine runs with a constant angular speed of 250 rev/min. When steam is shut off, the friction of the bearings stops the wheel in 2.1 h. At the instant the flywheel is turning at 75 rev/min, what is the tangential component of the

  32. math

    I'm not good at math! I need help with finding a decimal from a fraction. like 1/3, 13/15, 19/32 I can't figure out how to turn it into a decimal! Just divide the numerator by the denominator. Use long division or a pocket calculator. can u help mme

  33. inro to marketing

    what will be a three product layers in recycling Thank you for using the Jiskha Homework Help Forum. Hopefully the following link is referring to y our post:

  34. marketing

    what can be a new type of office paper recyling service in australia Thank you for using the Jiskha Homework Help Forum. Although I didn't see anything specifically referring to Australia, here is something to check:

  35. Geography and weather

    I am looking for websites …. About Geography that shows the weather in most cities in California... For example: City of Stockton, Los Anglos but it most shows: - Temperature. - Pressure - Relative Humidity - Due point Temperature - Air pressure - What

  36. physics

    A force of 8 N acts on a 2 kg object as it is displaced along the x-axis. The speed of the object when it is at x= 2m is 5 m/s. a) what is the net work done by F(x) on the object as it is displaced from x=2m to x=8m? sol) 8m - 2m = 6m; 6m * 8N = 48 J b)

  37. Language Arts

    I'm reading the glory field in language but i'm having trouble understanding it. Do you have any ideas of where to find chapter by chapter guides to help me? My teacher doesn't have a clue and Sparknotes doesn't have one either. Help?

  38. Geometry

    Suppose a chord of a circle is 9 inches long and its midpoint is 6 inches from the center of the circle. Find the length of the radius. How in the world do you figure that out? You have a right triangle (centercircle, centercord, radius) You know two of

  39. English

    What makes one source more credible than another? If you're referring to articles and other things you find on the Internet, here's a good site to help you learn to tell the difference: The Good, the Bad, and the Ugly

  40. Physics (thx drwls, bobpursley)

    After reaching terminal velocity, a raindrop of m=3.06E-4kg falls vertically down a distance of 500m. a)what is the work done by the force of gravity on the raindrop? sol) since the displacement is in the same direction as the force, the work done is

  41. Algebra

    What are the first 100 digits of Pi? How would I make a graph of the frequency of each digit? How would I find the mean of the first 100 digits? Then how would I creat a circle graph of the information in the bar graph? Help please.

  42. health

    What would be the more effective form of sleep? A straight say 8 hours of sleep at night or 7 hours of sleep at night with a few short naps in the day, amounting to 1 hour? Check this site from the National Institute of Health.

  43. time management

    Especially in the aspects of time management and effectiveness of getting work done,how much truth is the saying,”Early to bed and early to rise makes one healthy,wealthy and wise”? For the same amount of time spent, is work started early in the

  44. Algebra--to Bob (Please)

    Bob, thank you for the info. You always make everything sound so easy. Yu are so smart! And, I am not! If you will, please answer further. For example the first number is 1415926535, when it says make a graph fo the frequency of each digit. I look through

  45. Algebra--to Bob (Please)

    How do you find the mean? add all the data, divide by the number of data. For instance, the mean of 56 and 34 56+34= 90 divide by 2, mean is 45

  46. biology

    Help needed to draw a mating diagram where L is the dominant gene for the digestion of lactose and shows the crosses between two heterozygotes and wiht the the phenotypic and genotypic ratio of the offspring in the F1 generation. I also need to know the

  47. Philosophy

    key contributors to Christianity's impact on philosophy Here are many places within Jiskha where this question has already been addressed: =) Hi Angela! There's a lot to this. A

  48. Career

    What website offers an aplication for liscense starting a business. I want to start a Car detailing business. Check this site.

  49. graphics

    other than speed of production, what are two advantages of CAG (computer aided graphics) over manual methods? Thank you for using the Jiskha Homework Help Forum. Because it is faster, it is more energy conscious and leads to more profitability. In

  50. Business

    how do the purpose and function of the board of directors in a human service organization affects day-to-day operations Normally, a board of directors sets overall policies, receives fiscal and other reports to review, hires major management people. The

  51. economics

    suppose we established a $10,000 fine for water pollution. Would some companies still find that polluting was economical? Under what conditions? If the cost of correcting the cause of the water pollution were more than $10,000, then a company might believe

  52. macroeconomics

    should we care more about nominal GDP or real GDP?? Thank you for using the Jiskha Homework Help Forum. Here is a link that discusses that very question: A GDP based on the prices that prevailed

  53. macroeconomics

    an increase in GDP necessarily translated into improvements into the welfare of citizens? true or false. i think its true but im not sure I can think of examples when it would not be true. Consider a kingdom which increases total output because the king

  54. pre-algebra

    USE THE DISTRIBUTIVE PROPERTY TO SIMPLIFY. 3(X+3) Wouldn't it be 3x + 9? Check my thinking.

  55. Physics

    A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one


    SIMPLIFY THE EXPRESSION. -14+5+7-30 4*(-2)*(-4) I will be happy to critique your work. your answer would be 4*(-2)*(-4)=-32

  57. Statistics

    A building contractor claims that they can renovate a 200 sq foot kitchen and dining room in 40 work hours plus minus 5 (the mean and standard deviation respectively). The work includes plumbing, electrical installation, cabinets, flooring, painting and

  58. Stats

    A bottling company uses a filling machine to fill glass bottles with mango juice. The bottles are supposed to contain 300 milliliters (ml). In fact the amounts vary according to a normal distribution with mean = 298 and standard dev = 3 ml. What is the

  59. Statistics

    An entertainment company owns and operates movie theaters in Wyoming. The president of the company is concerned that film rentals are hurting the business. They directed a staff member to estimate the total number of films rented by households in Wyoming

  60. Statistics

    Part 2 - The president of the company is uncomfortable with the precision of the estimates derived for the sample mean. They are not willing to tolerate a very large error. e = .04, how large would the sample size have to be if they specify a 98%

  61. History

    What kind of government did the Articles of Confederation call for and what were its major flaws and achievements? This site has an explanation of the Articles of Confederation.

  62. Sociology

    What are the features of Sociology that distinguish it from everyday speculation on social life?Why did they emerge at the time they did in the 19 th century? This site has some good answers to your first question. I

  63. History

    How do I figure out whether I side with the Federalists or the Anti-Federalists? Read these and then decide: and =)

  64. basic geomectry

    Would please somebody help me answer the geometry work that I posted . these is for my G.E.D . Your question was already answered, although the many problems it contained were not solved for you. That is something you are going to have to make an effort at

  65. MGT ACC

    I really need help with this question. I keep doing it wrong so can anyone help me please. ------------------------------------------------------------ ------- The maori novelty company makes a variety of souvenirs for visitors to New Zealand. The Otago

  66. math

    I need to change Linear units. What is 3,520 yd = to How many mile? Divide 3520 yards by 1760 yards/mile. Looks like you'll get a nice round number.

  67. Social Studies

    Where can i find stuff about ancient china Start with a list and overview of Chinese dynasties and the preimperial period, and then decide how "ancient" you want to go. Here is a good place to start: (Broken Link Removed) Then use or

  68. basic geometry

    A rectangle has width the same asa a side of a square whose perimeter is 20m.the length of the rectangle is 9m. Find the perimeter of this rectangle. 34. The with of a rectangular picture is on-half the length . The perimeter of the rectangle is 72inches.

  69. Linear combinations

    Solving linear combinations Do you have a particular example of a problem you need help with?

  70. gemma

    re s103 please could you help me on that question about methonal please please help im running out of time What question? Do you mean methanol? Please post your questions with the subject appropriately labeled, and not addressed to one person.

  71. Biology

    I was wondering if you could double check my work thanks! Kidneys play a major homeostatic role in regulating body fluids. Which would not be a reasonable inference? A.

  72. !!!!!ENGLISH!!!!!

    Help! My teacher did not explain the lesson of particles very well. Please check. I will type the particle out to the right of the sentence and capatilize the participal phrase. 1. Defeated teams should not make excuses for their loses. Defeated 2. The

  73. Globalization Hurt Amercia..............why???

    I am doing a survey, please give your opinions and explain why globalization hurt America? Many many thanks.................... In my opinion, globalization hasn't hurt America. Although some jobs have been outsourced to other countries, other jobs have

  74. math question

    How do you do rates and unit prices and what is the process for doing this types of problems Do you have a specific problem? if all the horizontal lines are parallel , what is the value of x? for rates: 25 miles/5 hours = 5 miles/1 hour To get a unit rate,

  75. pre-algebra

    x+5/4=3/4x The next step would be obtained by subtracting 3/4 x + 5/4 from both sides. That gives yoju x/4 = -5/4 Now multiply both sides of the equation by 4.

  76. science

    How many valence electrons must a calcium atom lose to get 8 valence electrons? It must lose two electrons (the outside two "valence" electrons), then the next inner shell will have eight.

  77. us history

    the importance of literacy tests What is your question about this topic?

  78. English

    Bobpursley is correct. And here's a webpage that will give you some guidelines and specific words: =) Does anyone know if a persuasive paper has to have a transition word at the beginning of a

  79. Math

    List the members of the equivalence relation on the set {1, 2, 3, 4} defined by the given partition { {1}, {2, 4}, {3} }. Also, find the equivalence classes [1], [2], [3], and [4].

  80. Physics

    A gymnast is performing a floor routine. In a tumbling run she spins through the air, increasing her angular velocity from 3.00 to 5.75 rev/s while rotating through one-half of a revolution. How much time does this maneuver take? Divide 0.5 revolutions by

  81. Math

    Find the amount in an account if $2,000 is invested at 6.125%,compounded semi-annually,for 2 years. A)$2256.49 B)$2252.50 C)$2324.89 D)$544,757.84 Get yourself a pocket calculator or sharpen your pencil. The new amount will be 2000*(1.030625)^4 The