Questions Asked on
August 9, 2007

  1. teaser

    what is this brain teaser ioooo Riddles and brain teasers belong in the riddle message board at the bottom of the main Jiskha webpage. http://www.jiskha.com/net_riddle/ Thanks. =)

    asked by Anonymous
  2. Math

    A positive integer n is defined as a "prime interlude" if n-1 and n+1 are both prime numbers. Which of the following is not a "prime interlude?" a.4 b.18 c.30 d.72 e.90 ( First of all; What is a "prime interlude??") I don't understand the question and

    asked by Mack
  3. math

    a 15 foot long standard weight pipe with a diameter of 4 inches is filled with water. what would be the total approximate weight of the pipe and the water it contains? If I recall my non-metric units, 1 cubic foot of water weighs about 62.4 pounds. the

    asked by Damon
  4. math

    There were 3 times as many adults as students attending a school play. If the attendance was 480, how many adults and how many students attended the play? Let x equal the number of students attending the school play and solve this equation. 3x + x = 480

    asked by Steph
  5. ecoc

    TC=50+16 Q -2 Q2+0.2 Q3 a.plot this curve for quantites 1 to 10 b.calculate the average total cost,average variable cost, and marginal cost for these quantities, and plot them on another graph c. discuss your results in term of decreasing,constant, and

    asked by kim
  6. Science.

    Whats the difference between a scientific theory and a regular theory? A theory may be about anything but a scientific theory is designed to explain some scientific principle. Why people shop at a certain store might be an ordinary theory but why AgCl is

    asked by Christina
  7. Art... Color

    Hello, Help... Is # 4 correct? Thank You Working with a limited palette of colors still allows for a wide range of colors. Of the following groups and combinations which will give the most variations? 1 hue + shades + tints 2 analogous hues 3 hue +

    asked by Mandi
  8. english

    How do I diagram this sentence? And than all of a sudden he could. I think you mean "then" rather than "than" -- right? Here are two sites that will help you with diagramming: http://members.cox.net/teachro/

    asked by Brandi
  9. Algebra

    Simplify (2xy^2+3)((2xy^2)^2-(2xy^2)(3)+(3)^2) This reminds me of (U+a)(U^2- aU + a^2). When mulipltiplied out, one gets a cubic equation. Do you remember the formula for factoring the sum of two cubes? a^3+b^3= ????

    asked by Juri
  10. chemistry

    write a balanced chemical equation for calcium nitate plus sulfuric acid produces calcium sulphate and ? This is a metathetical reaction, I think more properly called a double displacement reaction now. Just change + and - partners. Ca(NO3)2 + H2SO4 ==>

    asked by walter
  11. AP Biology

    How many joules of sunlight hit Earth per day? I have looked everywhere and can't find an answer!! The sun emits about 4*10^26 Watt. The flux of solar energy at the Earth is thus about: F = 4*10^26 Watt/(4 pi R^2) where R = 149.6*10^9 meters is the

    asked by Summer
  12. intro-cal

    a company makes x toys daily at a cost of C(x)=125+30x+2(x to the power of 2/3) dollars. what daily production level will minimize the average cost? (note define average cost as the Total cost divided by the total number of items) thx According to your

    asked by Jarin
  13. math

    what does over time and time in a half mean? Employees who earn an hourly wage can only work 40 hours a week. When they work more hours a week, that's considered overtime. By federal law, employees who work overtime are entitled to 1 1/2 times (time and a

    asked by Mack
  14. Math

    Actually, i made a mistake. All though we still came up with the right answer, I made a mistake and copied another book answer to another question into this question. The real book answer to this word problem is: ( Let's translate the English into Math:

    asked by Mack
  15. ETH125

    United States-Centric Views Comparison • Resource: Appendix D Did you have this in your studies.Give a copy of Appendix D to a friend or family member and ask that person to complete the table contained therein. In doing so, your chosen participant will

    asked by Rick
  16. Financial Calculator

    Hi, I have trouble using my financial calculator, Texas Instrument BA II Plus. For the reason, the setting is messed up and it won't give me the right answer. For example, if I press: 100 PV 4 N 4 I CPT FV It's supposed to give me the anwer of 116.99, but

    asked by Tina
  17. Algebra 1

    A long-distance phone call costs $0.55 for the first minute and $0.09 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $7. Wouldn't that just be 9t + 55 ≤ 700

    asked by Sally
  18. math

    what does financial aid mean? do i habe to pay it back? can you break it down as to what financial aid is to me? Thursday, August 09, 2007 Edit Profile | FAQ | Search | Contact Definition of Financial Aid Terms The following are common terms and their

    asked by Mack
  19. math 117

    A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400 ft2, what is the width of the path? using the quadratic formula I did the following: Let x = distance between the inner

    asked by Diana
  20. Math

    Which of the following is a prime #? a.2 b.19 c.37 d.51 e.67 I choose 2. But the book answer is 51. The book says:( 2,19,37, and 67 are prime #'s) 3x17=51, so it is not prime. I forgot what prime #'s mean that's why I choose anything like 2. help me. A

    asked by Mack
  21. chem

    in the design of parts, it is genarally a good idea to avoid region or points ofstress concentration since these regions are susceptible to corroisn. give examples of the things that can be done to avoid stress raisers. salt(NaCl) is stored in an

    asked by Damon
  22. law

    can some one please help me this is late work i need to get done A federal agent is reporting to his first post of duty after the academy to a small resident office at which you work. You and a few others are included in a meeting to provide administrative

    asked by Anonymous
  23. Algebra

    I'm not sure if I have this correct I have to solve each literal equation for the indicated variable. A=1/2h(B+b)variable is (b). I have the answer as: 2A=h(B1+b2) 2A/h=B1+b2 (2A/h)-b2=B1 Is this correct? weren't you supposed to solve for "b"? that would

    asked by ms jay
  24. Math

    2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years from now, Clyde will be twice as old as his cousin Bonnie will be then. If Clyde is now 16 years old, how many years old is Bonnie? I got 10 because I did 16-16years=10. The book says

    asked by Ms. Sue
  25. geology

    Do all sedimetary rocks react with Hydrochloric acid? Check this site for your answer. http://www.geomore.com/Sedimentary%20Rock%20Chart.htm

    asked by Valerie
  26. research

    http://en.wikipedia.org/wiki/Bicycle The first sentence gives you the definition. There is also more information here, including its history, references, and external links (at the bottom). =) What is the definition of a bicycle?

    asked by Writeacher
  27. chemistry

    Given a solution in moles per litre how would you convert to parts per million)ppm.) could you help,no other information given apart from solution contains a known concentation of aluminium mols/L. Convert mols to grams. That will be grams per 1000 mL.

    asked by walter
  28. basic math

    first I have one simple question how many feet is 58 inches?? and how do you figure that? Also Thanks teachers and students for taking your time to help other students! this site actually helped me to get into the airforce and I'm very excited about that.

    asked by chrissy
  29. electrical engineering

    Instructions The goal of this project is to design, simulate, build and test a simple speaker system that can connect to a portable audio device such as an mp3 player or laptop. The system has the following requirements: § Accept a standard head-phone

    asked by Damon
  30. accounting

    Credit Policy Review The president, vice president, and sales manager of Moorer Corporation were discussing the company’s present credit policy. The sales manager suggested that potential sales were being lost to competitors because of Moorer

    asked by Damon
  31. English

    In the sentence... Paul often wrote poems in the evening. He also began to write a play titled "Saul" Would the period go in front of the quotation mark or after? Thanks for all your help! In front of the closing quotation mark.

    asked by Katie
  32. Math

    what is the next number in the following series of numbers? 100 96 104 88 120 56? Let's look at the pattern of these numbers. 100 - 4 = 96 96 + 8 = 104 104 - 16 = 88 88 + 32 = 120 120 - 64 = 56 What do you think the next number is? Please post your answer

    asked by Helene
  33. legal and ethical issues

    Describe a situation in which a memeber of a group disagreed w/the actions of the group based on ethical grounds. What was the outcome and impact of this situation? Is is possible to describe Watergate? There are thousands of examples in history: dropping

    asked by Anonymous
  34. Communication Technology

    A digital fsk equipment transmits bipolar return to zero data. when sending a sequence of alternating ones and zeros how many different frequenies will be transmitted? The fsk is actually sending mark and space signals, isn't it? The actual frequncies

    asked by Mac
  35. Human Resources Management

    Recommending to a company's board of directors that affirmative action policies be implemented.? Include points supporting the recommendation and clearly address points that may be used agaisnt this recomendation. How affirmative action policy will relate

    asked by T
  36. Science

    Give examples of advancing technologies in criminal justice within information and dispatching systems. Also, include about how resources allocation benefits from improvements in those areas. Please post your answers based upon your readings, class notes

    asked by Karen
  37. algebra

    find f(x) = –x3 + x2 + 2x + 7, find f(–3), f(0), and f(2) Wouldn't you just substitute the value of x (-3, or 0, or 2) into the equation and compute? Can you just show me how to do the first one....my brain is fried at this point

    asked by Dori
  38. Algebra

    Simplify (b^3)(ab-1)((ab)^2+ab+1) Hint: The last two factors sure look like the difference of two cubes to me. Have you tried that?

    asked by Juri
  39. law

    A senior federal agent is assigned as the division training officer responsible for providing/coordinating in-service training for the agents in the division along with the local police officers assigned to work on a federal task force. You are assisting

    asked by Anonymous
  40. project planning

    i need help this is late work and i have until friday night to get it done part 1 Describe a work-related situation you feel could be improved. For example, you want to streamline the process for reimbursing employees, or you want to create a high-tech

    asked by Anonymous
  41. accounting

    Forecasting payments; If a firm pays its bills with a 30-day delay, what fraction of its purchases will be paid for in the current quarter? In the following quarter? What if its payment delay is 60 days?

    asked by Damon
  42. Cultural Diversity

    What measurements do sociologists use to calculate prejudice? Have you looked into the Implicit Association Test (IAT)?? Google Implicit Association Test and look for the test found on Harvard University website (should be the first one.)

    asked by Dean
  43. Chemistry

    Five (5.00) grams of glucose, C6H12)6, is dissolved in 500.0 grams of acetic acid. What is the new freezing point and boiling point for the solution? Kf acetic acid = 3.90, Kb acetic acid = 3.07 (normal freezing point for acetic acid = 16.60 dg C, boiling

    asked by lana
  44. Chemistry

    I am looking at the delta H chart to calculate delta H of reactions. When doing one reaction, I came across a species that was not included in the chart: SiO4. What do I do? There is no SiO4. SiO2 perhaps, OR, you have been asked to calculate a theoretical

    asked by Taasha
  45. Human Resource Management

    how to address the board of directors that affirmative action should be implemented Tell the board that it's the law that affirmative action must be addressed. Do your research to cite the specifics.

    asked by T
  46. math

    How do you factor (64-tsquare)? is it (t+8)(t-8) or (8-t) (8+t) or is the same thing? Why don't you just expand each of your choices and see which one gives you the correct result?

    asked by Fabiola
  47. Grammar

    What is the case and syntax of trhe word feet in the sentence "The center of a tennis net is three feet long." In this sentence, "feet" is an adjective modifying the noun "long." feet is part of a dimensional adjective "three feet long". Feet modifies

    asked by Elizabeth
  48. english

    How do you diagram this sentence, with a sentence tree? He loved the sound of pancake batter hissing on the griddle. See the other post for help with diagramming. I don't understand the term "tree" but it might have something to do with "hissing..." being

    asked by Brandi
  49. Art.. Light

    Hello, I need Help with this question. My opinion the answer is #4, though I don't know. Can someone please Help? Thank You To take three photographs of the same object outdoors on a clear day, one in the early morning, one at noon, and another near

    asked by Mandi