1. Math

    Please Simplify: (root5 a^7/2)^4 a^3/a^8 I am having a hard time figuring where to start on this problem. Can someone please help me?
  2. math

    can someone please check my answer for me? thanks in advance 9(x+4)=3(3x+2)+30 I got x=8 is this correct if not could you please tell me where I missed the step at?
  3. math

    Find f'(a) for f(x)=4x3+1x f'(a) =? please please help. i just need to figure out how to do it once and then i can do the rest of my problems
  4. Chemistry

    Dear DrBob222 !!! Would you please help me answers the question that I posted. I really don't understand and need help! Please, Thanks
  5. Pre-Cal(Please help)

    h(x) = 1/x-3 + 1 I know the vertical and horizontal asymptotes but I just need to know the domain. Please help. I am very confused.
  6. English

    Thank you very much for your last corrections. Can you please check the following sentences I wrote on the Canterbury tales, please?
  7. Math

    Can someone please check this for mistakes please? y=4(x+3)-2x y=4x+3-2x y=2x+3 2x+3=y 2x=y-3 x=y/2-3 Hopefully I have rearranged the formula y=4(x+3)-2x to express x in terms of y.
  8. English

    PLEASE PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!! If someone said to you that...."doubt can be a bond as powerful and sustaining as certainty."....what would this mean to you???
  9. math

    please is there anybody who can help me to do my assignment about sums and differences of a rational algebraic expression this is the problem.... x^2/x-y - y^2/x-y=? another is 3y/3y-5 - 5/3y-5=? another is 10/x-3 - 2x+9/x-3 + 5x-7/x-3 please answer it.......
  10. chemistry

    calculate the pressure,in atmospheres, of 2.00 mol helium gas in a 10.0-L container at 27 celcius? Please i don't understand any of this? help please?
  11. English Literture

    Please help. What mistakes do Romeo and Juliet make that leads to their ultimate downfall?? I am struggling. Please help.
  12. Chemistry--help me, please

    how would you separate Fe3+ from Ba2+ in a mixture? Please explain and give an equation for reaction.
  13. MATH HELP ME NOW PLEASE!!

    DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1 HELP PLEASE!!!!!!
  14. History--help me please!

    what are the roles of the special forces in the movie Black Hawk Down?? please give examples!!!
  15. MAT 7th GRADE

    Please help. Will someone please check the answer to these problems. Thank you 1. -14 x-3 = 42 2. -24 -15 = 39 3. -48 divided by 12 = -4 4. -150 divied by -30 = -5 5. 3/4 + 5/12 = 1 1/6 6. 14 1/2 + 3 7/8 = 18 5/8
  16. hISTORY PLEZ HELP!

    In what ways can we honor our veterans? Explain please but no links please, they are hard to understand.
  17. U.S History

    help please What challenges did the United States face after the overthrow of saddam Hussein? Please help me ASAP thank you
  18. Chemistry help please

    i need some help understanding this problem please. How many moles of O are there in 32.4g N2O5, how many oxygen and nitrogen atoms are there in the 32.4g?
  19. Math -Urgent!!!

    List all the possible rational zeros of f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show me please.
  20. Maths

    X squared-(k+3)x+4k=0 Please help me find the value of k for which there are equal roots but of opposite sign Working out please thanks
  21. Math please help! Urgent

    Find the height of an equilateral triangle with sides of length 6 cm ' please show ur work
  22. Math

    help please anyone? i'm having a hard time solvig these problems LOGIC CONDITIONAL PROOF. HOMEWORK HELP PLEASE!? A. 1. A -> (B -> C) 2. (C ^ D) -> E 3. -F ->(D ^ -E) / :. A -> (B -> F) B. 1. (A v B) -> -(C ^ D) 2. (-C v -D) -> (E <-> F) 3. (E <...
  23. Math Please answer

    how to find slope of a graph without points please make it as simple as possible
  24. SCIENCE 8 PLEASE HELP!!!!!! (ASAP!)

    HW - Bring in a weather map plz help....do i have to get an old one or .... idk please help
  25. Math (immediate help, please)

    Find the area of a regular pentagon with a side 8 centimeters. Please provide an explanation!
  26. Physics *Electrical Scientist* please help me!!!

    * JJ Thomson * a) How does his experiment of cathode ray tube relates to electrostatics? >> PLEASE HELP ME!! :( :)
  27. Please help!

    If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)^2 to the right 12 units. Thank you!
  28. math/help please

    Question: a garden snail moves 1/6 foot in 1/3 hour. This is unit rates. Please help, I don't get this lesson!
  29. Science!!

    **PLEASE HELP FAST** how is newton's second and third law of motion important to your everyday life?? **PLEASE HELP**
  30. math

    Need help with an algebra question please im trying to.help my son with homework but its been a long time..please!!!
  31. Math

    I need to find what the total commission of 14% on a $3000 sale. Can u please show in detail how to solve this. Please and thank u. :)
  32. Math (Reiny please help!)

    Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?
  33. ALGEBRA PLEASE HELP

    please help!! Choose the equation below that represents the line passing through the point (−5, 1) with a slope of 3/2 A: y − 5 = 3/2 (x + 1) B: y + 1 =3/2 (x − 5) C: y + 5 = 3/2 (x − 1) D: y − 1 = 3/2 (x + 5)
  34. Macroeconomics

    Could someone please show me in a graph how a decrease in marginal propensity to consume would look please
  35. Algebra

    I'm really confused and I just don't understand what to do. Please help! Simplify each expression by combining like terms -8(n - 5) + 4(n + 1) = ? Please help!
  36. Math (please help)

    S is the midpoint of RT. Which of the following completes the statement? ST = 38 ft; RT = ? A)38 ft B)19 ft C)76 ft D)96 ft I'm not sure how to find the correct answer, can someone please help?
  37. english

    Our task was to read the Enuma Elish and answer the following questions: Where does evil come from in this myth, and how is it symbolized? Is the defeat of evil final and total? Does evil have any good qualities?
  38. chemistry

    An acid HA has Ka = 2.28 x 10 -4. The % ionisation of this acid in a 0.170 M solution of the acid in water is closest to 3.662 % 0.623 % 0.498 % 2.930 % 0.436 % 2.564 % i have an exam in 1 week and these are the types of questions i don't understand
  39. 7th grade

    for a science project what questions can you ask about things that has to do with scientific process and how to solve it through forming hypothesis and give evidence about it like a question about population or something..
  40. IT 235

    Post your response to the following questions: For which types of image creations might it be beneficial or necessary to add text? Which text effects do you like to use? How will your final project include text?
  41. Calculus

    Let f(x)=5x2+5x−12. Answer the following questions.Find the average slope of the function f on the interval [−1,1].Verify the Mean Value Theorem by finding a number c in (−1,1) such that f′(c)=m¯¯¯.
  42. reading

    In order to change information from useless facts into information you can absorb and retain, you should do which of the following? A. Ask questions B. Draw conclusions C. Anticipate information to come D. All of the above Im thinking A or D?
  43. Physics

    A highly polished block of wood is given a push that sets it sliding across a polished floor. a) what path does it take? b) why does it gradually slow down? c) what change would take place in the motion of the block of wood if the friction between it and the floor were ...
  44. Supportive learning environment

    It was the wrong question...Sorry Scott is just beginning to learn the names for the letters of the alphabet. Which of the following would be an example of the teacher scaffolding his learning? A. The teacher tells Scott, "You need to learn all your letters, and then you'll be...
  45. French

    Souligne l'adjectif dans la premiere phrase, puis complete la deuxieme phrase avec l'adverbe qui correspond. Exemple: Le dectective Lee est logique. Il a travaille. 1. La dectective Lee est logique. Il a travaille______. 2. La detective Jura est serieuse. Elle a _____. 3. Le ...
  46. Philosophy

    What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say that a fallacy has been committed, then show where the fallacy occurred, and explain why you think it is a fallacy? The following is the paragraph. ...
  47. Geometry

    Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...
  48. DrBob222 physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 27.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 53.7 kg, and the coefficient of kinetic friction ...
  49. @elena

    i noticed you helped a lot of people with their questions with physics ? can you hep me out please ? In putting, the force with which a golfer strikes a ball is planned so that the ball will stop within some small distance of the cup, say 2.00m long or short, in case the putt ...
  50. history

    Please verify: the workers that were generally better off in America than Europe before 1860 would have been the skilled workers? The most important iron manufacturing center in the South was the Atlanta Iron Foundry? Utopian societies emerged in the antebellem US in response ...
  51. SOCIAL STUDIES

    the outline achievement of Pope leo x I got: Lorenzo de Medici's son who published a bull disapproving of many of Luther's teachings & threatning the monk with excommunication or removal from church. This pope officially excommunicated Luther & put him on trial in city of ...
  52. Physics

    sorry to keep posting this, but I have an assignment based on these problems (same equations different numbers) due in a couple hours. A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of...
  53. Math

    MathMate - I'm still confused, please see below. Thanks!! SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 ...
  54. math

    Can someone please help me on these I have look at the examples and done just what they did, but I still get it wrong and I only have one more time to try. Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9...
  55. Word Problem

    I have a couple of questions. Could you please check one of them and help me with one? 1. You have a 256 feet of fencing to enclose a retangular region. Find the demensions of the rectangle that maximize the enclosed area? This is what I did: a=xy 2x+2y=236 I subtacted 2x from...
  56. Math 116

    could someone please evaluate what i have so far and help me with the last few questions... the linear equation: y = 0.15x + 0.79 represents an estimate of the average cost of gas for year x starting in 1997. the year 1997 would be represented by x = 1, for example, as it is ...
  57. CHEMISTRY PLEASE HELP

    For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate wrt E (Ms^-1) 0.210...
  58. Geography

    As I requested before, can someone reword this so I can understand. I have this culminating project relating articles but I don't understand parts of it. Already two provinces -- Ontario and Quebec -- have stepped up and committed to protecting at least half of their northern ...
  59. physics (please help)

    Let f be the frequency, v wav the speed, and T the period of a sinusoidal traveling wave. The correct relationship is: a)f=1/T b)f=vwav + T c)f=vwavT d)f=vwav/T e)f=T/vwav My thoughts: Since frequency is equal to T=1/f so f=1/T. Vwav is connected to f by the equation v=lambda...
  60. physics

    Hi can someone please explain to me how to get the answers to the following questions. It would be greatly appreciated A pair of horizontal parallel plates are placed a small distance, 4.00 mm, apart in air. Each plate is rectangular with a width of 20.0 cm, and length of 37.0...
  61. 7th grade math check

    Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...
  62. Quote Analyzation

    "I backed away from him until I was atop the forecastle deck. The line of the crew had split, some to either side. 'Help me!' I appealed to them again. But though they were deaf to Captain Jaggery, they were equally deaf to me. The captain, in careful pursuit, now slowly ...
  63. Algebra 1

    1. Which line is the flattest (or is less steep)? Why? a.y = 5x -6 b.y = 5x + 6 c.y = x - 3 d.y = x + 3 I think this question has been aswered a couple times, but I'll try again. The slope is given by the number before the x varible. The first two choices have the same slope ...
  64. com

    Is the below paragraph and evaluation? Hockenbury and Hockenbury present important information and raise some interesting questions about how daily hassles affect our lives. In a few paragraphs, they present a great deal of information on the subject of daily hassles — what ...
  65. Physics

    A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then is vertical whilst ...
  66. Physics

    A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then is vertical whilst ...
  67. Volcanoes

    Need some help on answering questions... 1. Arrange corn syrup, water, and vegetable oil in order of low to high visocisity. 2. Why do silica-poor magmas produce broad volcanoes with gentle slopes?
  68. english - help

    My subject is "the rising cost of food and gasoline in the United states" direct to some sources in order to be able to find some informations for the two questions below. When will it end? How soon will the relief come?
  69. Social Studies

    Should the government of Canada pass legislation to expand worker involvement in the decision-making process to answer the three basic economic questions- what to produce? How to produce it? Who gets what share of the production?
  70. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  71. Current Event

    Answers to your questions: People's argument for keeping the school opened is that if they don't then it will cripple the community. They hope to fill the school with 100 or more residents in a bid to ask the board to delay the closure for several years.
  72. math

    Consider the set of northwestern states or provinces ( Montana, Washington, Idaho, Oregon ,Alaska, British? Columbis, Alberta). If a person chooses one element, show that in three yes or no questions, we can determine the element.
  73. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  74. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  75. math

    consider the set of Northwestern states or provinces (montana, washington, Idaho, Oregon, Alaska, British Columbia, Alberta) if a person choose one element, show that in three yes or no questions we can determine the element
  76. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  77. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  78. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
  79. Chemistry

    For the lab we just did in class, one of the questions wants to know what the molarity of the NaOH is for each of the 'trials' of titration we did. The only problem with this is that the only number given to me was that of the amount we used! (11.29 mL for the first)! Is it ...
  80. History

    I'm looking for information about the Black Death Plague without using Wikipedia as much as possible. Some questions that I need to keep in mind and answer are: How is religion relevant to the plague? Was there a cure? How did it start?
  81. math statistics

    create a null hypothesis on these research questions: a. what are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug what will be the effects over a currently used drug?
  82. world civilization, need help A.S.A.P!!!

    What social, economic, and political problems did Italy have in the second century B.C.E.? What were the main proposals of Tiberius and Gaius Gracchus? What questions about Roman society did they raise? Why did the proposals fail?
  83. assessing development cognitive language observat

    There are several strategies that can help preschool children Foster language production one strategy that involves asking questions after a child. speaks to encourage him or her to continue talking is called?
  84. To Corie

    Do NOT post answers to other students' questions unless you are prepared to explain thoroughly. Simply giving away answers doesn't help anyone learn anything! Failure to adhere to this is a good way to get yourself on the banned list.
  85. dress making

    wanted some help with questions 1. You would like to add a row of tow metallic threads around the wrist of a dress made out of voile . what sewing method should be used to attach them?
  86. ancient history

    1)Discuss the life of Paleolithic nomads and what did this type of life make it impossible for these people to live? 2)What were Cyrus,Darius and Zoroaster main concerns at the time? Pls. answer the questions as soon as possible
  87. Statistics

    Create a null hypothesis for the following research questions: a. What are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug, what will be the effects over a currently used drug?
  88. Statistics

    Create a null hypothesis for the following research questions: a. What are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug, what will be the effects over a currently used drug?
  89. Statistics

    Create a null hypothesis for the following research questions: a. What are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug, what will be the effects over a currently used drug?
  90. English

    Which is the most important step you need to do as a study reader? A. Take notes while you read. B. Survey the chapters before you begin detailed reading. C. Answer questions as you read. D. All of the above. im Stumped :(
  91. social studies

    What is the primary role of the attorney general ? a) manages the states money b) provides opinions on questions of law c) serves as the chief election officer for Louisiana d) defends the Great Seal of the state of Louisiana
  92. English

    Question's about shakespeare? 1. What kind of music speaks to him the most? 2. For him, what role should the government have in a person's life? 3. For him, is the glass half empty or half full and why? I cannot find the answers for these questions online.
  93. Math

    Here are some multiple questions: One out of every 5 "Choco-Delite" candy bars contains a 50 cents coupon. If Alex wants 15 coupons, how many candy should he buy? a) 3 b) 20 c) 75 d) 100 What is the average of 10, 5, 3, 6, 14, 5, 6 and 7 a)7 b)8 c)56 d)9 16:4=20:___? a)6 b)5 c...
  94. another speed

    At 10:00 AM Two planes leave an airport. If the northbound plane flies 280 mph and the sound bound at 320 mph, at what time will they be 1000 miles apart? I need help with explanations the questions keep changing :(
  95. reading and writing

    Which of the following is not a good suggestion for writing an introductory paragraph? A. Describe a hypothetical situation. B. Cite a surprising fact or statistic. C. Never asks questions. D. Use a quotation to help illustrate your thesis. my answer is c.
  96. Statistics

    Create a null hypothesis or the following research questions: (a) What are the differences between emergency room shifts on medication errors? (b) On a clinical trail of a new drug, what will be the effects over a currently used drug?
  97. Social Studies

    Describe the role of shariah in Islam. What types of laws would one expect to find within Islamic governments, and how are they enforced? This was one of my questions on my homework, and I can't figure out a solid answer to it. Thank you!
  98. Chemistry

    Explain the most important reason why we have attempted to create a model of the atom and more specifically, why it was so important to understand the position and movement of an electron. These are extra credit questions so I neeeed the points but I'm stumped
  99. Advertising research: theory and practice

    research primarily uses open-ended, probing questions to encourage consumers to discuss and share their thoughts and feelings on a particular subject. a. Quantitaative b. qualitative c. secondary d. primary
  100. Math

    While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
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