Questions Asked on
November 9, 2009

  1. PHYSICS

    Wile E. Coyote is holding a “HEAVY DUTY ACME ANVIL” on a cliff that is 40.0 meters high. The Roadrunner (beep-beep), who is 1.0 meter tall, is running on a road toward the cliff at a constant velocity of 10.0 m/s. Wile E. Coyote wants to drop the anvil

    asked by Jin
  2. college chemistry

    Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)--> CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating

    asked by Eddie
  3. 9th grade- Algebra 1

    In music, What does "allegro" mean? ALGEBRA WITH PIZZAZZ!

    asked by Naia
  4. Physics

    Some people believe that the Moon controls their activities. The Moon moves from being directly on the opposite side of Earth from you to be being directly overhead. Assume that the Earth-Moon (center-to-center) distance is 3.82 multiplied by 108 m and

    asked by Ray
  5. Socials

    How did Napoleon help to spread feelings of nationalism throughout Europe? Explain why you think nationalism is a positive or negative force, or both. Napoleon helped to spread feelings of nationalism throughout Europe by initially using it to help him

    asked by Sara
  6. Physics

    A 60.0 kg girl stands up on a stationary floating raft and decides to go into shore. She dives off the 180 kg floating raft with a velocity of 4.0 m/s [W]. Ignore the substantial friction real objects in water experience. a) What is the momentum of the

    asked by Jon
  7. org. chem.

    Explain how caryophyllene fits the isoprene rule. I don't know how to explain this. I do know the isoprene rule is (C5H8)n, where n is the number of isoprene units. Please help.

    asked by CMM
  8. PHysics

    A glass rod rubbed against your hair gains a charge of -14.0 nC. What is the electric force between the balloon and your hair when the two are separated by a distance of 7.1 cm? (Assume that the charges are located at a point.)

    asked by abbigail
  9. Physics

    Please Help ! A child throws a snowball at a tree and it sticks to the tree. Does this motion defy the Law of Conservation of Momentum? Explain. The Law of Conservation of Energy states: "If there is no net force acting on a system of objects, the total

    asked by Rachel
  10. physics

    A car weighing 9800 N travels at 30 m/s. What braking force (to the nearest whole number) brings it to rest in 100 m???? THNX BOBPURSLeY

    asked by JUan
  11. Univ Phys

    In a mountain-climbing technique called the "Tyrolean traverse," a rope is anchored on both ends (to rocks or strong trees) across a deep chasm, and then a climber traverses the rope while attached by a sling as in the figure . This technique generates

    asked by Taylor
  12. NAPOLEON INFORMATION

    How did Napoleon help to spread feelings of nationalism throughout Europe? Explain why you think nationalism is a positive or negative force, or both. Napoleon helped to spread feelings of nationalism throughout Europe by defeating the austrian empire. He

    asked by Sara
  13. Physics

    Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in humans. How much energy is delivered to your eardrum each second when someone whispers 20dB a secret in your ear?

    asked by Ana
  14. Literature

    How can I find the key passages in the short story Marigolds, to develop the theme of the story. I have to use quotes from the key passages I choose...not sure what to do here. What are key passages? Thanks -MC

    asked by mysterychicken
  15. physics

    Two people carry a heavy electric motor by placing it on a light board 2.00 m long. One person lifts at one end with a force of 400.0 N, and the other lifts at the opposite end with a force of 600.0 N. What is the weight of the motor? and where along the

    asked by Student1
  16. To Sara

    I've banned you from posting on Jiska for a day or two to give other teachers a chance to respond to your questions. You can also use this time to work independently to polish your answers. By the way, it's considered rude and like shouting to use all

    asked by Ms. Sue
  17. math

    THE HUMAN CANNONBALL - AGAIN! (2 pts) On July 23, 1997, Washington County, in Oregon was advertising their Fair & Rodeo special attraction on the Internet: "As the countdown begins, David Smith, Jr. - THE BULLET - puts on his safety helmet, slides down the

    asked by Ashleigh
  18. Physics

    A child throws a snowball at a tree and it sticks to the tree. Does this motion defy the Law of Conservation of Momentum? Explain. I'm thinking yes. Given that p(momentum)= mass x velocity, even though the tree is stationary, it would have a much greater

    asked by Jon
  19. trig

    This a problem I need help with. A vertical ple stands by a road that is inclined 10 degrees to the horizontal. When the angle of elevation of the sun is 23 degrees, the pole casts a shadow 38 ft long directly downhill along the road. How long is the pole?

    asked by Johnny
  20. Chemistry

    How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid: Zn + 2HCl -> ZnCl2 + H2

    asked by Christina
  21. 4th grade

    some fossils of shell and fish have been found at the top of the rocky mountain peaks. How do you suppose this happen?

    asked by zeena
  22. Advance Biology

    Compare mitosis and meiosis by completeing the chart. Mitosis- Meiosis-homologous chromosomes pair and then separate Mitosis- Meiosis-needed for sexual reproduction

    asked by Bob
  23. Physics

    An astronaut stands on the edge of a lunar crater and throws a half-eaten Twinkie™ horizontally with a velocity of 2.2 m/s. The floor of the crater is 95.4 m below the astronaut. What horizontal distance will the Twinkie™ travel before hitting the

    asked by Katie
  24. Math

    Bridget added 1/5 to both 12 and 6 4/5 when subtracting 12 - 6 4/5. Tell why.

    asked by Kate
  25. Chemistry

    CaSO4.2H2O ==> CaSO4 + 2H2O moles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams CaSO4 = moles CaSO4 x molar mass CaSO4 = ?? Wait,.. how do I know the moles CaSO4? do I do .08712* CaSO4's gfm?

    asked by c
  26. Chemistry

    Water is exposed to infrared radiation of wavelength 3.0×10^−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons will be required to raise the temperature of 1.7 g of water by 2.2 K?

    asked by Kyle
  27. Socials

    What is the difference between Patriotism and Nationalism: The difference between Patriotism and Nationalism is that Patriotism is the love, support, and defense of one's country, and nationalism is devotion and loyalty to one's nation. Is this a good

    asked by Sara
  28. Chemistry

    How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid: Zn + 2HCl -> ZnCl2 + H2

    asked by Julie
  29. Biology

    The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by

    asked by Liam
  30. chemistry

    Consider the reaction shown: 452 kcal + 4 PCl5 (s) ¨ P4 (s) + 10 Cl2(g) This reaction is ________ because the sign of ƒ¢H is ________. A) exothermic; neither positive nor negative B) endothermic; positive C) endothermic; negative D) exothermic;

    asked by brandy
  31. calculus

    I need to find the critical number of 4x^3-36x^2+96x-64 by factoring. Basically I need to know the zeros.

    asked by Matt
  32. math

    A painted dot on the circumference of the wheel is 12cm from the centre of rotation of the wheel. How far does the dot travel in 5 sec., to one decimal place?

    asked by -
  33. Chemistry

    If the temp of a quanity of gas changes from 100C to 200C will the volume of the gas double if the pressure remains constant? I know that the volume will increase but i am not sure if it will double or not?

    asked by Amy
  34. louisiana purcahase

    1.what was the Pickney treaty? 2.why did president jefferson want to buy new orleans from france? 3.why was napoleon willing to sell the entire louisiana purchase?(2reasons) 4.how much did the U.Spay for the Louisiana territory? 5.how much larger did the

    asked by sakura
  35. Programming

    There is a bug in the sortArray method: one particular kind of input will cause a runtime error. In the box provided below, edit sortArray so that it behaves properly on these inputs. public void sortArray () { int beginP = 0; int endP = myArray.length-1;

    asked by Derick
  36. social studies

    what influence did economic conditions have on the outcome of the Civil War? I TOTALLY DON'T GET IT. why does ECONOMIC CONDITIONS have to do with Civil War?? Also, the second question says that, did charles force civil war on parliament? list 2 columns, 1

    asked by charmy
  37. physics

    A toy train track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis (see the figure). A toy train of mass m = 2.5 kg is placed on the track and, with the system initially at rest, the electrical power is turned

    asked by Emily
  38. chemistry

    P4 (s) + 10 Cl2 (g) ¨ 4 PCl5 (s) ƒ¢H = -435.2 kcal Based on the reaction shown, which statement is true? A) When 30.97 g P4 (s) react, 435.2 kcal are released. B) When 1 mol P4 (s) reacts, 435.2 kcal are released. C) When 123.88 g P4 (s) react, 435.2

    asked by brandy
  39. social studies

    why did the us want to build a canal across panama 2 how did the us gain control of the panama canal zone 3 how did the people of panama feel about us control of the canal zone why 4 what agreement did the us make with panama in 1977 5 what are the

    asked by sophie
  40. chemistry

    please can someone help me with these questions? 24) Which represents the largest pressure? A) five mm Hg B) one atmosphere C) one millimeter of mercury D) one hundred pascals E) five pounds per square inch 25) What would be the new pressure if a 400 mL

    asked by brandy
  41. Socials

    Even after the congress of Vienna, many people in Europe would have welcomed Napoleon back. Explain why you think this would be so. Was the congress a complete success? What advice would you have given a delegate to the Congress if you were a ruler? An

    asked by Sara
  42. math

    A man is standing 35 m from a building. On top of the building is a flg. From the man, the angle of elevation of the top of the building is pi/6 radians and the angle of elevation of the top of the flag is pi/3 radians. Determine an exact expression for

    asked by Anonymous
  43. Calculus

    Give an example of a function that is integrable on the interval [-1,1], but not continuous on [-1,1].

    asked by Carl
  44. Chemistry

    what volume of nitrous oxide gas, N2O has the same number of atoms as 9.00 L of neon gas at the same temperature and pressure

    asked by Rodney
  45. biology

    The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the ability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by

    asked by liam
  46. chemistry

    The concept of free energy allows prediction of spontaneity of a process by considering the changes in ________ and ________ during the process. A) entropy; temperature B) enthalpy; mass C) enthalpy; entropy D) enthalpy; temperature E) entropy; mass

    asked by brandy
  47. Physics

    A 75 g autographed baseball slides off of a 1.3 m high table and strikes the floor a hori- zontal distance of 0.65 m away from the table. The acceleration of gravity is 9.81 m/s2 . What was the direction of the ball’s velocity just before it hit the

    asked by Alan
  48. Math

    Find the volume of the cylinder. The formula for the volume is V=Pr^2h but it give a diameter. Does this mean first I divided the diameter by 2?

    asked by Anonymous
  49. math

    what did the magician say to the fisherman

    asked by Anonymous
  50. To Ayone who knows about NAPOLEON

    Even after the congress of Vienna, many people in Europe would have welcomed Napoleon back. Explain why you think this would be so. Was the congress a complete success? What advice would you have given a delegate to the Congress if you were a ruler? An

    asked by Sara
  51. physics

    Two men are carrying a 9.00-m telephone pole that has a mass of 115 kg. If the center of gravity of the pole is 3.00 m from the right end, and the men lift the poles at the ends, how much weight must each man support?

    asked by sandhu
  52. Org. Chem. Please Help

    A natural product (MW=150) distills with steam at a boiling temperature of 99 degrees Celsius at atmospheric pressure. The vapor pressure of water at 99 degrees Celsius is 733 mm Hg. A) Calculate the weight of the natural product that codistills with each

    asked by Chelsea
  53. English (MLA format)

    in works cited I need to cite a book that is made by several authors. Which author do I chose? Also I know I'm suppose to do Last name, First Name, et. al. were there are many authors which author do I chose? Also if I wanted to cite this author how do I

    asked by English (MLA format)
  54. math

    Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of work he contributed to the job.Ted and Tony earned $280 together.Ted and Tom have $260,and Ted and Terry got $220.What percent of the job did each

    asked by Katherine
  55. calculus

    a 80.0 kg man inside a 40.0kg dumbwaiter pulls down on the rope. at that moment the scale on which he is standing reads 200 N. Determine the elevator's acceleration.

    asked by debbie
  56. Computer

    Which of the following would be most likely to be paid from petty cash? a. coffee for the staff, b. rent for the office, c. the telephone bill

    asked by MARIA
  57. Calculus

    a sandbag is dropped from a balloon at a height of 60 meteres when the angle of eleveation to the sun is 30 degrees. find the rate at which the shadow of the sandbag is traveling along the ground when the sandbag is at a height of 35 meters. hint: the

    asked by Anonymous
  58. Literature

    'What signifigance did the title have in the short story Marigolds?' This is my answer: The title of the short story, Marigolds, was significent because the children in the story threw stones at Ms.Lottie's marigolds for no reason; they were the only

    asked by mysterychicken
  59. math

    Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of work he contributed to the job.Ted and Tony earned $280 together.Ted and Tom have $260,and Ted and Terry got $220.What percent of the job did each

    asked by Katherine
  60. Economics/Algebra

    The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monopoloist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate

    asked by too old
  61. Programming

    The code below shows some of the text for a class called City. Now write a complete public constructor with two formal parameters: a String parameter called cityName, and an int parameter called cityPop. Your code should initialize the name attribute of

    asked by Natalie
  62. Algebra

    The height of a rocket fired vertically into the air from the ground is given by the formula h(t) = -16t (2nd power) + 384t + 4, where t is measured in seconds. How long will it take to reach its maximum height and what is the maximum height reached by the

    asked by Pat
  63. science

    1. How many molecules of ammonia, NH3, are produced from 12.5 grams of hydrogen in the following balanced equation?

    asked by shamisha
  64. Literature

    'A surprise ending to a short story only works when the ending is believable. The writer must carefully prepare readers for what is to come, supplying hints about the resolution without revealing it.' I have to write how Poe forshadowed Fortunato's end in

    asked by mysterychicken
  65. Photon Energy

    How much energy is contained in 1 mol of each of the following? X-ray photons with a wavelength of 0.175 nm. Gamma-ray photons with a wavelength of 2.48×10^−5 nm.

    asked by Wessells
  66. Socials

    What happened to Napoleon after he lost the battle of Waterloo? Do you think he was fairly treated? Explain why or why not. Napoleon was imprisoned and exiled to the island Saint Helena. Yes, I think he was fairly treated because that's how he treated

    asked by Sara
  67. Biology

    What enzyme does yeast produce?

    asked by JEFF BOMB
  68. Socials

    I am having to do an essay on the River Nile. I am having a hard time finding the answers to some of the questions. I need to include in my essay these facts... 1)Where does the River Nile originate from? 2)Why doees the Nile overflow it's banks. 3)When

    asked by Dakota
  69. physics

    A uniform 250 N ladder rests against a perfectly smooth wall, making a 35 degree angle with the wall. (a)Draw a free body diagram of the ladder. (b) Find the normal forces that the wall and the floor exert on the ladder. (c) What is the friction force on

    asked by collegekid
  70. Social studies

    How did geography help the romans prosper

    asked by Rakeem
  71. Algebra

    For each function, find three ordered pairs that lie on the graph of the function. -6=3x+2y

    asked by Lily
  72. child

    The ability to communicate feelings is one of the goals of A. discipline. C. guidance. B. fostering. D. self-control

    asked by denise
  73. Chemistry

    A 0.35 mol sample of an ideal gas is held in a vessel at 0.C and a pressure of 785 torr. What is the volume of the vessel? (R=62.36L x torr/mol x K)

    asked by Christina
  74. To Ayone who knows about NAPOLEON

    What made it possible for Napoleon to return to France and to become Emperor again? Prepare questions that a TV reporter might ask the people who welcomed Naopleon back. His supporters, his soldiers, as well as some royalists who were by his side. After

    asked by Sara
  75. NAPOLEON INFORMATION

    Imagine that you are a senior advisor to Napoleon. You have been asked to prepare a memo outlining the advantages and disadvantages of disrupting Britain's trade with Europe. Your memo should examine the impact of such a move from the standpoint of

    asked by Sara
  76. Calculus

    Use the table of values to estimate ⌠6 ⎮ f(x)⋅dx ⌡0 Use three sub intervals and the (a) left endpoints, (b) right endpoints, and (c) midpoints. If f is an increasing function, how does each estimate compare with the actual value? Explain your

    asked by Carl
  77. social studies

    if the issue is whether a person is civil rights were violated in court desicion through what levels of courts might that person appeal?

    asked by nancy
  78. Calculus

    Suppose f(x)= e^(-1/x). Graph this function in the window -5(

    asked by George
  79. Math problem I need help with

    Combination of coins that can be used; fifty-cent piece, quarters, dimes, nickels, and pennies Q: My 3 types of coins total 37 cents. I have fewer than 4, but more than 1, of each coin. What are the coins?

    asked by Tyler
  80. business

    Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios found in the chapter.

    asked by jeff
  81. Algebra 1

    I=Prt, Solve for t

    asked by Shavaleir
  82. To Ms. Sue

    Ms. Sue could you please have a moment to look at all my other previous posts, because in come of my posts, I have made corrections, and in some I have added more information, I just want you to check them over and see if they're correct, and what else I

    asked by Sara
  83. Geometry

    Write an equation for the line perpendicular to line XY that contains point Z. line XY: 3x + 2y = -6, Z(3,2) I realize that the slope of a perpendicular line is the opposite reciprocal of the first line. But, how do I use point Z in this problem? Thank

    asked by Heather
  84. 9th grade

    what dose it take to win a tug of war?

    asked by bingbong
  85. statistics

    Suppose that the percentage returns for a given year for all stocks listed on the new york stock exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n=5

    asked by ileana
  86. business communications

    What strategies may you use to incorporate effective visual elements into business presentations? When have you ever sat through a presentation that used visual elements ineffectively? What tips would you give that presenter, knowing what you you now know

    asked by charlotte
  87. physics

    Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor? Baseball. Ocean liner. Both the same. Can't say without more information. 2 . A truck moves with a certain momentum. If both its speed and its mass are doubled, how much

    asked by Monique
  88. personal finance concepts

    Please answer these questions: A. After a protracted legal case, Joe won a settlement that will pay him $11,000 each year at the end of the year for the next ten years. If the market interest rates are currently 5%, exactly how much should the court invest

    asked by cthj
  89. science

    whocan give me 10 interesting facts about sulfuric asid for my science homework please Thx!!

    asked by jodie
  90. Socials-Ms. Sue

    Ms. Sue I asked my teacher about the memo today, and she said that it is supposed to be advantages and disadvantages for France, not Britain. Imagine that you are a senior advisor to Napoleon. You have been asked to prepare a memo outlining the advantages

    asked by Sara
  91. chemistry

    N2 + O2 ¨ 2 NO ƒ¢H = 43.2 kcal Based on the reaction shown, which statement is true? A) 43.2 kcal are consumed when 1.00 g of O2 reacts. B) 43.2 kcal are produced when 1.00 mole of NO is produced. C) 43.2 kcal are consumed when 1.00 g of N2 reacts. D)

    asked by brandy
  92. Math

    Professional Security Systems purchased 5 dozen dead-bolt lock sets from a manufacturer for $255. If the company's markup rate is 28% of the selling price, what is the selling price of each lock set? Determine the cost ratio (Retail Method) for Twilight

    asked by Jimmy
  93. science

    I am to make an edible cell. It can be either a plant or animal cell. I was wondering if anyone had some unique ideas. I know that some of my classmates are making it out of cake, while others are using jello and candy. Can I have some help? Thanks

    asked by 1234
  94. physics

    How would an astronaut in apparent weightlessness be aware of her mass?

    asked by Ryan
  95. Math

    Find the linear-to-linear function who graph passes through the points (1,1) (5,2) and (20,3). I know the function is y=ax+b/x+d. I need help getting it to that form.

    asked by SC
  96. Socials

    What made it possible for Napoleon to return to France and to become Emperor again? Prepare questions that a TV reporter might ask the people who welcomed Naopleon back. His supporters, his soldiers, as well as some royalists who were by his side. After

    asked by Sara
  97. Physics

    What was the direction of the ball’s velocity just before it hit the floor? That is, at what angle (in the range −90◦ to +90◦ relative to the horizontal directed away from the table) did the ball hit the floor? Answer in units of ◦.

    asked by Alan
  98. math

    i don't get it ....Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of work he contributed to the job.Ted and Tony earned $280 together.Ted and Tom have $260,and Ted and Terry got $220.What percent of

    asked by Katherine
  99. HCA 240

    I need help with week 3 discussion question 1 its due tomorrow. Your cousin Stella, who lives 300 miles away, has smoked nearly a pack a day for about 5 years. Lately, she been complaining about shortness of breath more than usual, but she does not think

    asked by Markella Smith
  100. Scince

    If you were an environmental researcher and were given funding to assist with one environmental issue, which of the followingtopics would you choose to spend your funds on? Human population Atmospheric pollution Water Resources Terrestrial Resource Energy

    asked by Tammi
  101. social studies

    the most useful indicator of the degre of democracy reached by a particular society is whether it has a?

    asked by john
  102. texas history

    Need help with texas history -what were the illegal immigants called? I really need help! I am doing a treasure hunt where our teacher gave us questions to answer. I have answered them all except one and I cannot find it at all. we cannot use wiki as a

    asked by beth
  103. physics

    2. A rifle is fired horizontally and travels 980 m. The rifle barrel is 6.1 m from the ground. What speed must the bullet have been travelling at? here i got a time of 201.24.. i then added the 980m to the 6.1m and put it in the x=vt equation to get a

    asked by Mark
  104. 4th gr social studies

    How did Native Americans react to Ponce De Leon's attempts to settle in Florida?

    asked by henry
  105. physics

    Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor? Baseball. Ocean liner. Both the same. Can't say without more information. 2 . A truck moves with a certain momentum. If both its speed and its mass are doubled, how much

    asked by Monique
  106. Math

    Can someone please help me out with these? What is the rate of inflation of an item with a Consumer Price Index of 246.8 in 1991 and 362.4 in 1992? Round your answer to the nearest tenth. 0.681 0.319 0.468 0.536 Determine the future value of an annuity due

    asked by Cathy
  107. social studies

    should a president and vice president die does the secretary of state stand next in line to take over the presidency?

    asked by Anonymous
  108. algebra

    the profit made fram the sale of a dvd players from a company is found by subtracting the costs from the revenue. p=r+-c. Suppose that the companys revenue can be expressed with the function R(x)=x^2+59x and that the total costs for the company can be

    asked by melissa
  109. pre algebra

    3(-4x+2)=14 find x ????

    asked by tya
  110. chemistry

    I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many molecules of O2 in the container and how many atoms of oxygen?

    asked by alexis
  111. Grammar and Composition

    My sister can not only irritate me to a great extent, but also make some of my biggest nightmares come true. how's this for a thesis?

    asked by y912f
  112. 4 grade math

    i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you!

    asked by pat
  113. MATH

    Write an equivalent fraction for 12/36 =

    asked by Bradley
  114. Physics 11/Chemistry 11

    What is the heating capacity of Zinc?

    asked by Andy
  115. Chemistry

    Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? The GFM of the sample is 174.3amu. Now.. how do I go about finding the weight of the magnesium carbonate?

    asked by c
  116. Algebra

    I'm not sure how to factor 3x^3-12x^2+3x. I tried separatring the 3x so that 3x(x+1)(x-4, but I got -3x^3+-12x^2-3x^2+12x. Can you show me where I went wrong and how to properly factor this? Is there a general rule or tip for this sort of factoring with a

    asked by Erin
  117. Economics/Algebra

    Airline pricing is a good example of price discrimination. Airlines set different prices for first-class and excursion. Suppose the economics division of a major airline company estimates the demand and marginal revenue functions for first-class and

    asked by too old
  118. English

    The news from China in recent weeks has been dire. Violent strikes and protests are reported almost daily. Millions of workers are out of jobs. Economic indicators presage more gloom, with electricity production for industry falling 4% in October, the

    asked by Mary
  119. math

    8 m _____________ |\ | 4 m | \ Garden| | \ | | floor \ | -------------- 8m I need help finding the area of the garden and the area of the floor. so please give me in full explanation.

    asked by Abby
  120. Physics

    What are the three longest wavelengths for standing sound waves in a 124-cm-long tube that is (a) open at both ends and (b) open at one end, closed at the other? I did 340/(4*1.24)=68.54 3*340/(4*1.24)=205.64 but i am confused

    asked by SB
  121. English

    1. Find someone who has moved into a new house. (In this sentence, does the person live in the new house or no?) 2. Find someone who has had more than two dogs. (In this sentence, does the person have two dogs now? Or does he have ever had two dogs before,

    asked by rfvv
  122. accounting

    ● Case 13-4 Application of SFAC No. 13 On January 1, 2006, Lani Company entered into a non cancelable lease for a machine to be used in its manufacturing operations. The lease transfers ownership of the machine to Lani by the end of the lease term. The

    asked by Anonymous
  123. math

    since 120/500 is equal to 100 that means ...............i still don't get it......... please..... i need help.can you at least give me the answer please tbhis is hohnors math and for me its hard........ Tom,Ted,Tony,Terry worked together on a job.The job

    asked by Katherine
  124. Trig

    I need help with these kind of problems. We are dealing with word problems and/or pictures that are solved by the Law of Sin or Cosine. If any one kows a wonderful web site that can help with these, I would greatly appreciate it. A parollelogram has side

    asked by Jennifer
  125. I Need Help

    I have to do this memo, and Ms. Sue, was helping me on it, but I don't think she is on right now, please help To: Napoleon Bonaparte From: Sara, Senior Advisor Subject: Continental System 1. Advantage for Britain: None Disadvantages for Britain: Loses

    asked by Sara
  126. social studies

    How did Nanaia Mahuta get her good job?

    asked by private
  127. Socials

    Explain the meaning on Nationalism: I wrote: Nationalism is the belief that one's own country is the best country.

    asked by Sara
  128. french

    I am not sure if I posted this question already, because it didn't seem to work. I have already corrected this french myself by using an online website, but Iwas just wondering if anyone q=could verify to make sure that it is correct. I was taught that NE

    asked by 1234
  129. Math

    Write 8 fractions equal to one-half (not including one-half) using only the digits 0, 1, 2 and 5. Each digit may be used more than once, but you may not use decimal points or arithmatic operatons. Numerators cannot be larger than 100. You may not use

    asked by William Bent
  130. science

    can someone help me with this please it is hard! what is the force on a 32kg door slammed with a force of 12N? How do i solve this. thaks

    asked by j cook
  131. 7th grade

    formula to find the circumference end radious

    asked by Anonymous
  132. History

    For our homework we have to find three people and ask them how they would sum up the Second Bank War in a couple of sentences. Then in class tommorrow we have to compare their answers with everybody else in the class. I have asked my mom, and my grandma so

    asked by Ryan
  133. physics

    A 18 kg object and a 6 kg object are hanging over a frictionless pulley. What is the acceleration of the system to the nearest tenth?

    asked by JUan
  134. Science

    Can someone explain 'simply' what Particle theory and Brownian motion are. I'm finding alot of websites hard to understand. Thanks

    asked by Laura
  135. science

    Is this true, animal cells are squire/rectangular and plant cells are circular? If so, why?

    asked by 1234
  136. Social Studies

    What is priam's treasure and if you have any websites about it please tlel me thanks:)

    asked by Nicole
  137. Business

    Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios found in the chapter. GOODYEAR CALENDAR COMPANY Balance Sheet December 31, 2008 Assets Current assets: Cash . . . . . . . . . . . . . . . . . . . . . . . . . .

    asked by Jeff
  138. Social Psychology

    What is the prefered treatment for self-handicaping?

    asked by Harriet
  139. Math

    Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/{(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.

    asked by Jill
  140. Communication Studies Foreign Medias

    What is, or should be, the role of the emerging indigenous Iraqi and Afghanistan media, although now being rebuilt with significant help and input by the US, in the battle to "win the peace" and rebuild these countries? Any thoughts are welcome! Thanks!

    asked by Robert
  141. physics

    How would an astronaut in apparent weightlessness be aware of her mass?

    asked by Ryan
  142. math

    Can a divisor be less than a remainder and why?

    asked by saiyda
  143. chemistry

    What is the spectra/spectrum (?) of the following gases? -helium -hydrogen neon -nitrogen I'm not understanding this chapter really well. I have to research this stuff online but I don't really understand what I'm supposed to be looking for.

    asked by lola
  144. History

    I need help coming up with an idea on the drawing a political cartoon for the Bill of Rights. I am not for the bill of rights, and I don't know what to do?? Please help me?

    asked by Tahj mahal
  145. Physics

    A freight elevator has a mass of 240 kg. Find the tension in the cables (to the nearest whole number) when it ascends with an acceleration of 4 m/s2.

    asked by JUan
  146. physics

    Here is a problem: If i have a wire that is 75.0cm long and 0.550 mm in diameter and it has a 25 kg weight attached. I am trying to find stress and i have the area but I do not know how to find the force?

    asked by sara
  147. Literature

    ---In reply to my last post about the key passages: OK, what if I say the theme is losing your childish innocence or something along those lines and I can support this by writing what Lizabeth says in the end of the story, when she sees Ms.Lottie's

    asked by mysterychicken
  148. Algebra

    csquared + 10c + 25 factor the expression...

    asked by Rob
  149. Mass Communication Studies Foreign Media

    What are the positive contributions and negative influences of the growing Islamic broadcast media in the Middle East on the US efforts to stabilize Iraq and Afghanistan and build lasting democratic institutions?

    asked by Breanna
  150. Finance

    Please answer these questions: 1. After a protracted legal case, Joe won a settlement that will pay him $11,000 each year at the end of the year for the next ten years. If the market interest rates are currently 5%, exactly how much should the court invest

    asked by Ecs
  151. Algebra

    factor the expression csquared + 10c + 25

    asked by Rob
  152. algebra

    12/a=4

    asked by Paul
  153. 12th grade Trig

    sec theta = 2, sin theta is less than 0. I'm not sure what to do? Please explain. Thank you.

    asked by Loyda
  154. English

    Lord of the flies by William Golding Turning points? i would like to know some turning points that impacted Ralph and how he dealt with it.

    asked by Sam
  155. Health

    How much is a cow, a heifer, and a calf in the USA?

    asked by rfvv
  156. Math

    What's the step-by-step proccess to find the average? It's been years since I've been taught how to find the average of a set of numbers.. Thanks whoever can help!

    asked by Pinky
  157. math

    still don't get it

    asked by Katherine
  158. English

    1. We are different, but same,too. 2. We are different, but the same, too. (Which one is correct?) #. Cash or charge? (What is the full form of this expression which a clerk says at a shop?)

    asked by rfvv
  159. art

    during what years did boticelli visit rome

    asked by lauren
  160. 6th grade/ Geography

    What is an appropriate sentence with the words Mixed Economies.

    asked by 6 @ B B Y
  161. To Ayone who knows about NAPOLEON

    What happened to Napoleon after he lost the battle of Waterloo? Do you think he was fairly treated? Explain why or why not. No, he wasn't fairly treated because his own supporters left his side, which whom Naopleon trusted a lot, and helped, also he didn't

    asked by Sara
  162. Algebra

    Find the equation of the line perpendicular to the line passing through (2,4) and (3,7)

    asked by Pat
  163. Chemistry

    On a melting curve, the heat energy represented by the horizontal portion of the curve is called what?

    asked by Christina
  164. Algebra

    Given the roots, 1/2 and 4, find: (A) The quadratic equation 2x^2-9x+4 ? (B) The sum of the roots 4 1/2, or 9/2 (C) The product of the roots 2 Are these answers correct?

    asked by A.
  165. Science

    Equipment and Materials: measuring spoon, 2 beakers, sieve, 2 plastic containers 8 table spoons of sand, 100 mL of water 15 plastic gems. Hypothesis: what do you think will happen with each mixture and why?

    asked by Misshaa
  166. Algebra

    Solve: xy=12 y=2x+2 Are the solutions x= -3, x=2, y= -4, y= 6?

    asked by A.
  167. spanish

    Please check my sentences. Thank you!? El arroyo es como un pequeño río. Nosotros estuvimos toda la noche asando carne de vaca. Los granjeros usan las brasas a asar carne. Los burros llevan muchos henos. Los caballos comen el pasto. Hemos tenido sólo

    asked by hh
  168. Algebra

    Find the equation of the line passing through (-5, -4) and parallel to the line passing through (-3,2) and (6,8)

    asked by Pat
  169. science

    A atom of iron(mass 10-25 kg) travels at a speed between 20.0 and 20.1 m/s. How accurately can we determine its position?

    asked by Trent
  170. science

    it has at lease one meal and one nonmetal element. compound salt

    asked by angela
  171. Criminal Justice

    What does scope mean in the Supreme Court ? I have looked everyone in my reading materials and cannot find it anywhere

    asked by Julie wolford
  172. government

    who was commander in chief

    asked by Anonymous
  173. Algebra 2

    4Xsquared+7x+3 find the quadratic equation by factoring to solve. Show work

    asked by Andres
  174. math

    a 0.02kg arrow hits the target at a speed of 2000m/s 5 seconds after it leaves the bow. With what force does it hit the target? can you help me do this

    asked by j cook
  175. science

    how much is the mass of a toy car that is accelerated to 4.5m/s/s by a force of 7.8N?

    asked by j cook
  176. Math

    Can you explain how to solve this problem step by step? -4t + 16 = 24

    asked by Diego
  177. physics

    A skier leaves the end of a ramp with a velocity of 25.3 m/s and lands 50.3 m from the base of the ramp. How high is the end of the ramp from the ground?

    asked by Jin
  178. Math

    Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays 10% compounded quarterly.

    asked by Cam
  179. math

    what is 8/7 + 7/8?? PEYTON

    asked by peyton
  180. social studies

    what is the antonym for dangerous

    asked by rhonda ferguson
  181. Grammar and Composition

    ok, after i posted this yesterday: ok, now that i have my pet peeve, i have to fill out this sheet. (please read my earlier post for more info on the assignment) Pet Peeve--Organizational Sheet Audience: Who will be your audience? You must indicate an

    asked by y912f
  182. science

    If I were to make and edible cell, using cake and other materials, such as liquirice and candy or by using a bagel, which do you believe would receive a better grade?

    asked by 1234
  183. Algebra I

    5-x-2=3+4x+5

    asked by Marquinashae
  184. 5th grade

    rectangular arrays for 8. write prime or composit

    asked by kaleb
  185. 5th grade

    What is the adverb and verb it describes in this sentence?-"Jason walked to the table and stood there.

    asked by Whitney
  186. English

    Since you read an actual letter from Melville to Hawthorne, you got a glimpse of their friendship. Write an essay explaining why you agree or disagree with the following statement: Melville feels a warm, affectionate bond with Hawthorne. Use two examples

    asked by Buttaz
  187. social studies

    should a president and vice president die does the secretary of state stand next in line to take over the presidency?

    asked by Anonymous
  188. algebra

    base area 56in2, height 6i find volume

    asked by Danny
  189. chemistry

    Ned to know the similarities between the numbers 1,4,6,8,9,10,12,14,15,16,27,39,49,56,57,58,70 the question was these numbers are or are not something??? I'm totally lost.

    asked by Ryan
  190. algebra2-help : (

    Completely factor over the set of integers: 8x^2+40x+50

    asked by Ashley
  191. 4th grade

    i have to pick a letter, i chose G and make adesin with counters on grid paper and then show a t-chart . how do i do this

    asked by MANDY
  192. social studies

    what are some facts about the Acts of Trade

    asked by jackson
  193. physics/chem

    ive calculated the amount of change for an enzyme controlled reaction as 1.5625 x 10^-8 mol.min-1 and ive been asked to find the activity of the enzyme in micromoles product formed per min per mg of enzyme how do i do this i have 10 micro litres of a 5mg

    asked by Amelia
  194. French 101

    Is vécu correct? Voici Christophe. Il ________ (vivre) à Paris pendant deux ans. Thank you!!

    asked by Madison
  195. social studies

    Rules and regulations written by the executive branch and signed by President that carry out wishes of Congress are known as the executive orders?

    asked by Chitra
  196. Biology

    We are looking at hyperaccumulating plants, and I wanted to know what happens to the heavy-matals in the plant when the plant dies. Do they go back into the soil as a contaminant, do they simply "leave" as non-toxic elements etc? If you could help me that

    asked by Amanda
  197. Biology

    What is the effect of pH and temperature on the activity of a catalase?

    asked by JEFF BOMB
  198. Math

    Calculate the algebraic expression E=(2x+y) (5a-b)^3

    asked by Wellness 2
  199. chemistry

    What number of electrons fit into energy levels higher than the third level?

    asked by madeline
  200. Math

    Determine the sum of the series: ∞ ∑ n = 0 (75^(1/(n+1)) − 75^(1/(n+2)))

    asked by AK
  201. MATH

    Write an equivalent fraction for 6/8

    asked by Bradley
  202. travel and tourism

    When i'm in New York City, I'd like to buy a hot dog at a Sabrett stand. How much does it cost? It's my first time there.

    asked by AL 87
  203. 4th grade math

    is 6.12 greater than 5.99

    asked by shasha mccory
  204. Chemistry

    Are the melting point and freezing point of a substance represented by the same number?

    asked by Christina
  205. Trigonometry

    What is the cosecant of the arccot of 3?

    asked by Anonymous
  206. Algebra

    Is a function with a fraction (1/4) an even or an odd function? Or can fractions be neither even or odd? I have to declare one or the other, so I'm not sure what to say.

    asked by Erin
  207. Math/Biz Math

    I am so lost. Did I answer these problems right? Bud Ray is the owner of an automatic car wash located in a busy side of town. He currently has all the business he can handle and then some. His business has grown steadily over the years. His current car

    asked by Jose
  208. biology

    can fatty acids pass through the placenta?

    asked by reproduction
  209. Chemistry

    Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? 84.3g?

    asked by c
  210. college

    if the block weighs 855 newtons, what is the tension in the cable going from point A to point C

    asked by Jennifer
  211. math

    Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

    asked by Savanna
  212. pre algebra

    -2 over three + -4 over 5

    asked by justin
  213. math

    all i get is that tony and ted earned 280 and that ted and tom have 260 and ted and terry go 220 i undersatnd but how do i get the percent of the job that each boy did......i got what bob said but he didn't explain how to get a percen...HELP...

    asked by Katherine
  214. math

    8 m _____________ |\ | 4 m | \ Garden| | \ | | floor \ | -------------- 8m I need help finding the area of the garden and the area of the floor. so please give me in full explanation.

    asked by Abby
  215. Chemistry

    Is water neutral in terms of the charges it holds?

    asked by Anonymous
  216. social studies

    Who designed there home Monticello and worked closely with the architects and designers of Washington DC?

    asked by jessica
  217. math

    so it would be like 500 divided by 140 for ted and tony ..... 120 because of ted and tom but wait i think i am doing this wrong can you at least give me the answers and i will follow you and that for you to explain to me please i give up i hate percents

    asked by Katherine
  218. AP Us History

    is the Union's first military breakthroughs came on the eastern front in Maryland and Virginia true or false

    asked by Crystal
  219. social studies

    how can i find an essay about media manipulation? or can you write ?

    asked by melissa
  220. biology

    what would happen if Australia had no laws to check imported goods

    asked by barbie
  221. biology

    Zola has a splinter in her finger. which of the following actions should she take before she uses a sewing needle to remove the splinter?Give reasons for your answer. a- wipe the needle with a clean cloth. b- wash the needle in hot soapy water. c- pass the

    asked by barbie
  222. chemistry

    how many moles of CH4 will contain 4.31 x 10^23 molecules

    asked by Trace
  223. To Ms. Sue

    Ms. Sue do you know who could help with my questions about Napoleon then, because I really need help:-(

    asked by Sara
  224. AP Us History

    Was the Battle of Antietam a turning point of the war because it prevented British and French recognition of the Confederacy- True or false

    asked by Crystal
  225. math

    120/500 i think

    asked by Katherine
  226. English

    Autobiography of shoes

    asked by George
  227. history

    true or false-Lincoln's decision to make the war a fight against slavery was widely popular in the North

    asked by Crystal
  228. history

    The use of black soldiers in the Union Army proved militarily ineffective-true or false

    asked by Crystal
  229. math

    Explain how you could show five less than a number using an expression.

    asked by Trey
  230. math

    Identify the property of whole numbers illustrated in each of the following. 4 • 5 is a whole number

    asked by Mary
  231. geo

    did industrilasation have a hand in child poverty? when did child poverty start? I ahve already googled --- did not help

    asked by clueless
  232. home economics

    what is a sugar syrup and what does it have to do with candy making?

    asked by toshondra
  233. science

    I need a slogan for neon for this science project my teacher assigned

    asked by not4u2kno
  234. math

    how do i go about converting 2341base5 to base 10?

    asked by eileen
  235. math

    but why does 120/500 = 0.24 what did u do to it

    asked by Katherine
  236. algebra

    Solve each equation. Then write your answers in the cirles so that the differences between any two circles connected by a straight line are the same. a)w+5=7.4 b)e-2=2.5 c)12+r=22.5 d)m+5=15 e)14-y=5.6 f)t-6=4.2 g)13-q=0.9 h)7+c=15.1

    asked by rima
  237. math

    k i did it i got it so know what,\....... wait is this the percentage for ted or tony

    asked by Katherine
  238. critical Thinking 205

    support irrationall fears after 9/11

    asked by Teresa
  239. English

    Thesis statement, Thank You

    asked by Mary
  240. science

    what results from tension betweenrock layers?

    asked by Amy
  241. math

    k i did it i got it so know what...... wait is this the percentage for ted or tony

    asked by Katherine
  242. math

    Is 10/4 equal to 5/8??? PEYTON

    asked by peyton
  243. 6th grade

    15divided by 10 =

    asked by Anonymous
  244. english

    were public places segregated in 1948

    asked by sophie
  245. business

    Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios found in the chapter. December 31, 2008 Assets Current assets: Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $

    asked by jeff
  246. 5th grade

    San Juan, Puerto Rico is located at about 18 degrees North, 66 degrees West. How far away, in degrees, is San Juan from the prime meridian? How do you know?

    asked by Jazzy
  247. Math

    A number rounded up to the next thousand is 8000. It is divisible by 6 and 10 but not by 9. The hundreds digit is three more than the tens digit. What is the number?

    asked by William Bent
  248. math

    what is 12/10ths and 8/18ths to their lowest terms?

    asked by g