Questions Asked in 2005

Most Popular Questions of 2005

  1. Statistics

    1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be (6.5,8.5)

    asked by Frank on June 13, 2005
  2. peer review

    what are some advantages for both the reviewer and writer of peer reviews The author of a work that is reviewed by his/her peers gains prestige and legitimacy by having knowledgable people comment and review his work. The peers also can correct any errors

    asked by shawn on July 14, 2005
  3. Chemistry Suspension Examples...

    I need 10 examples of household suspensions for science class tomorrow. I got 10 solutions, 10 colloids, and 10 solvents...but can't figure out 10 suspensions! Help! http://www.elmhurst.edu/~chm/vchembook/106Amixture.html Suspensions have much larger

    asked by Nat on June 15, 2005
  4. Chemistry - Stoichiometry

    16.2g of magnesium reacts exactly with 25.3g of fluorine to produce magnesium fluoride, the only product. How many grams of magnesium fluoride could be produced from the reaction of 10.5g of magnesium with excess fluorine. This is simple if you use

    asked by Kevin on August 25, 2005
  5. physical science

    An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel 1530 m/s in seawater. How deep is the water directly below the vessel if the time delay of the echo to the ocean floor and back is 6 s? (sound speed)* (echo time) =

    asked by Jarrad Michael on June 27, 2005
  6. math

    I am a little lost on my homework can someone help me with these problems please! With a GM MasterCard, 5% of the amount charged is credited toward a rebate on the purchase of a new car. Express the R as a function of the amount charged A Write a formula

    asked by Angel on July 4, 2005
  7. algebra

    You can compute the cost of 5000, and 5001 mowers from the formula, then subtract. Another method is to take the derivative of the cost function with respect to n, giving you the cost per mower... C=200n+150000 dC/dn=200 dollars

    asked by bobpursley on July 5, 2005
  8. Math

    A retired couple needs $12,000 per year in income to supplement their Social Security. They have $150,000 to invest to obtain this income. They have decided on two investment options: AA bonds yielding 10% per annum and a bank CD yielding 5%. (a) How much

    asked by Angel on July 7, 2005
  9. unscrambling word

    Can you help me unscramble these words please! radmordey conshorier trinabac mecal minglem bobing lukarak its in spanish- srecmoro, and tsmnoamo- help please england antelope is the answer tyler! lafrpty=flytrap lafrpty=flytrap please help me to unscramble

    asked by emma on June 14, 2005
  10. Physical Science

    What do we call kinds of animals that disappear abruptly from fossil record, yet are still alive today? "Misplaced" fossils younger fossils found below older fossils are called? Question 1: http://www.angelfire.com/mi/dinosaurs/livingfossils.html question

    asked by Kendal Beverly on June 25, 2005
  11. physical science

    The diameter of the sun makes an angle of .53 degrees from earth. How many minutes does it take for the sun to move one solar diameter in an overhead sky? ( Remember that it takes 24 hours or 1440 minutes for the sun to move through 360 degrees). How does

    asked by Jarrad Michael on June 27, 2005
  12. Science

    What is the length of an aluminum rod at 65 C if its length at 15 C is 1.2 meters? I will be happy to critique your thinking. New length= oldlength(1+alpha*(65-15)) where alpha is the coefficent of linear expansion of aluminum 1.201386 meters

    asked by Janice on July 31, 2005
  13. urgent

    How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? A 314 J B 6,573 J C 1,314,718 J D 4,187,000 J You asked this question already. See my other posted answer.

    asked by alf on August 3, 2005
  14. business studies

    The most important way to improve the work group is for everyone, especially the bosses, to listen to each other. This can be done in regular meetings and by written communications. Suggestions for improvements should be implemented when possible. People

    asked by Ms. Sue on June 20, 2005
  15. bobpursley, drwls. ms. sue Writeacher

    When a second post is made to a question, the most recent is now at the bottom. Do any of you prefer the way it was, or do you like this better? I prefer to have the answers shown in the order they were posted. The second answer may clarify or add

    asked by Lance on June 16, 2005
  16. attributes of rich people

    what are some attributes that most self-made rich people share? by rich i mean a networth of $500 million or more. for example: innovation, desire, etc. One group of the very rich have either inherited or married a rich spouse. On the other hand, those who

    asked by bobbyd on September 1, 2005
  17. Weird question.........H.W due in tomrrow...quick

    Sarah Jane has a set of photographs (fewer than a thousand) which she's going to put in a photograph album. If she puts 2 photographs on each page, she'll have 1 photograph left over. If she puts 3 photographs on each page, she'll have 2 photographs left

    asked by Mike on June 14, 2005
  18. Chemistry

    Gold is alloyed with other metals to increase its hardness in making jewelry. Consider a piece of gold jewelry that weighs 9.85 g and has a colume of 0.675 cm cubed. The jewelry contains only gold and silver, which have densities of 19.3 g/cm cubed and

    asked by william on July 25, 2005
  19. US history

    Hi, I need help with these three questions: 1. What were some of the different issues that contributed to the cause of the U.S. Civil War? 2. Why would the Civil War have contributed to the industrial development of the United States? 3. How was life

    asked by Milka on June 23, 2005
  20. Microeconomics

    This is due Monday. I am not sure I am doing it correctly. Can someone help me out? Question: Assume that Jim is a rational customer who consumes only two goods, apples(A) and nuts(N). Assume also, that his marginal rate of substitution (MRS) of nuts for

    asked by Trisha on June 17, 2005
  21. radio message

    The nearest star beyond the sun is Alpha Centauri, 4.2 x 1016 meters away. If we received a radio message from the star today, how long ago would it have been sent? The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46

    asked by Jarrad Schomaker on June 28, 2005
  22. electricity

    What bias conditions must be present for the normal operation of a transistor amplifier? A)the emitter base junction must be reverse biased, and the collector base junction must be forward biased. B)the emitter base junction must be forward biased, and the

    asked by angela on August 24, 2005
  23. p.e.

    what are the objectives of physical education?and what are its importance to us?

    asked by frenor mider on June 22, 2005
  24. electricity

    to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your? A) thumb in the direction of the magnetic flux. B)thumb in the direction of the electromagnetic force.

    asked by angela on August 23, 2005
  25. Writing Skills

    Which of the following groups of words is a sentence fragment? A. when we stopped by the garden. B. Stop by the garden. C. We stopped; she didn't. D. stopping by the garden, we saw that the flowers were in bloom A sentence fragment doesn't express a

    asked by Karin on August 29, 2005
  26. Phys (Are my answers correct?)

    1. Vector A=71 grams @138 degrees. What is Ax? (x is a subscript) 2. Vector A=71 grams @ 138 degress. What is Ay? (y is a subscript). Answers: 1. -52.8 (I am not sure if it is the absolute value and I should write it as positive. 2. 47.5 Those answers are

    asked by Cheyenne on September 2, 2005
  27. Algebra Word Problem (1)

    Chris and Josh have received walkie-talkies for Christmas. If they leave from the same point at the same time, Chris walking north at 2.5 mph and Josh walking east at 3 mph, how long will they be able to tlak to each other if the range of the walkie

    asked by GetYourLeash on July 9, 2005
  28. electricity

    if a bar of copper is brought near a magnet, the copper bar will be? A)attracted by the magnet. B)unaffected by the magnet. C)repelled by the magnet. D)made into an induced magnet. B)unaffected by the magnet. Actually there is a very slight repulsn due to

    asked by angela on August 24, 2005
  29. math

    If a and b are positive integers and their product is 3 times their sum, what is the value of 1/a + 1/b? Given that ab = 3(a + b). From this, ab/3 = a + b. Dividing through by ab yields 1/a + 1/b = 1/3.

    asked by Christine on June 30, 2005
  30. electricity

    The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be? A)accelerated toward the anode. B)accelerated toward the cathode. C)attracted to the anode instead of the grid. D)attracted to the

    asked by angela on August 24, 2005
  31. Word Problem Maximizing A Bonus

    Pauline Wong spends 4 hours selling a used car and 6 hours selling a new car. She works no more than 40 hours per week. In order to receive a bonus, she must sell at least one used car and four new cars each week. In that case, she recives a bonus of

    asked by GetYourLeash on July 22, 2005
  32. english

    Hoe did John mercer langston show his support of Jogn Brown's Harperss Ferry fiasco? I've been looking for the answer for over a week...please help By organizing the Underground Railroad and challenging the Fugitive Slave Act. He also helped organize the

    asked by Danie on September 1, 2005
  33. DIFFICULT MATH

    Okay I've been working on this for 10 hours straight and cannot get it. This is a math problem from my teacher who just loves to add these frustrating math questions at the end of the worksheet. It says: If you add the age of a man to the age of his wife

    asked by Vincent on July 30, 2005
  34. Augmented Matrix

    Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. DO ALL WORK BY HAND. x + 2y + 4z = 6 y + z = 1 x + 3y + 5z =10 If one subtracts the first equation from the last

    asked by GetYourLeash on July 22, 2005
  35. chemistry-net ionic equations

    Whats the net ionic equation for the decomposition of hydrogen peroxide (H202)? I know that it decomposes into water and O2 but is H202->H20+O2 the net ionic or does the H2 and O2 split up to be H2 + O2 -> H20+O2 and if so is the net ionic then just

    asked by Jon on August 28, 2005
  36. How far of the Taurus form Earth?

    How far of the Taurus form Earth? Answer in light year... Help me please.... The brightest star in the constellation of Taurus is Aldebaran (also known as Alpha Tau). An orange-red giant which is the thirteenth brightest star in the heavens, it was one of

    asked by chuchy on August 21, 2005
  37. Calculus

    The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by c= .9x +25.5 (a) Find the revenue equation. (b) What is the revenue from selling 10 million units? (c)What is the break-even

    asked by GetYourLeash on July 4, 2005
  38. Math

    Can somebody help me out here. I want to know why I am good with math problems but I don't get word problems until it is made out of a equation. The reason is that you have learned math as procedures and facts...math as a form of thinking, or analysis,

    asked by Miss Strawberry on August 29, 2005
  39. *Chemistry

    Hydrogen reacts w/ sodium to produce solid sodium hydride, NaH. A reaction mixture contains 6.75 g Na and 3.03 g H2. A. Which reactant is limiting? B. What is the theoretical yield of NaH from the above reaction mixture? C. What is the percent yield if 4 g

    asked by Laura on August 28, 2005
  40. questions

    1.) Why are there usually two solutions in quadratic equations? 2.) Under what situation would one or more solutions of a rational equation be unacceptable? If putting the found "solution" cannot be put back into the original equation without violating

    asked by leleirvin on August 8, 2005
  41. waves

    A skipper on a boat notices wave crests passing his anchor chain every 5 s. He estimates the distance between wavecrests to be 15 m. He also correctly estimates the speed of the waves. What is the speed? Speed = (wavelength) x (frequency) = (15 m)[1/(5 s)]

    asked by Jarrad Michael on June 27, 2005
  42. formal writing

    Academic papers NEED to be formal so that your professors will take your ideas seriously. You need to be very organized and deliberate in presenting your ideas, and you need to follow all the "rules" of standard English grammar and usage. Here are two

    asked by Writeacher on June 14, 2005
  43. science

    1.The energy associated with the absorption of a photn of wavelength 4.26 micrometers is ______________? 2.The bond energy associated with the bond between the Nitrogen atom and Bromine atom is______________________? 1. See other post on plancks equation.

    asked by Tahira on August 1, 2005
  44. electricity

    the function of a capacitor in an electric circuit is to? A)allow current flow between its plates. B)measure the amount of current in the circuit. C)increase circuit power. D) store electric charges. A and D are both correct, if you include in "current

    asked by angela on August 23, 2005
  45. Music

    How do you find movable do? i need to solfege songs in different keys and i need to know how! Add sharps and flats to make it closest to another key scale with dynamic constrast

    asked by David on August 25, 2005
  46. chemistry

    Consider this balanced equation 3H2+CO -> CH4+H2O. how many moles of CH4 can be obtained by reached 2.0mol of H2 with 2.0molCO according to this equation? > You need three times as many moles of H2, as CO. Since there are equal moles of H2 and CO

    asked by Faix on August 23, 2005
  47. math check

    Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum of four consecutive odd integers is -336. Set up an equation AND solve for all of the integers. Two ways to approach this. -336/4 = -84 making the 4 consecutive odd numbers -81, -83, -85

    asked by angel on July 17, 2005
  48. chemistry

    When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you

    asked by kevin on August 23, 2005
  49. Electricity

    when an electric current flows through a long conductor, each free electron moves? A)from one end of the conductor to the other end. B)with a speed of 300,000,000 m/s. C)back and forth between the ends of the conductor. D)through a relatively short

    asked by angela on August 20, 2005
  50. math

    How many ways can you make one dollar using only nickels, quarters, dimes, and half dollars? I don't know if this helps but first see how many of each can you use to make a dollar say for instance 10 dimes equal a dollar. Also if you can make a chart and

    asked by dabf on August 26, 2005
  51. Algebra

    Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 3 5 ----, ---- 84a 63b 4b 6 -----, ---- 75a 105ab Can someone here help me I do not understand

    asked by Angel007 on August 7, 2005
  52. Electricity

    if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the

    asked by angela on August 22, 2005
  53. please help with this question need to know by 8/4

    How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degree celsius to 220 degrees celsius? 314 j 6,573 j 4,187,000 j 1,314,718 j You need the specific heat of coal to answer that question, and that depends somewhat upon the

    asked by alf on August 3, 2005
  54. Help!! With 2 math questions!!

    There are 36 inches in one yard. How many yards and inches are there in 3785 inches? I need the yards, and inches! The next question is....Find the number of quarts in 73,458 cubic inches of water. There are 231 cubic inches in 1 gallon. Help~*Nikki

    asked by Nichoel on August 17, 2005
  55. What's a Nine-Point Plot Structure?

    I'm doing a summer reading assignment on 'A Midsummer Night's Dream', and one of the questions says to use a nine point plot structure to outline the action in this play. My question is: WHAT THE HECK IS A NINE-POINT PLOT STRUCTURE? (And if any of you do

    asked by Joe on September 4, 2005
  56. Electricity

    when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the

    asked by angela on August 20, 2005
  57. physical science

    gimme a side of what physical science is. I know there's no shortcuts but it means alot of ev'rything I gotta know. Sho' me. I have little understanding of what you wrote. When one tries to communicate in non-standard English, the results are

    asked by Henry on September 3, 2005
  58. math

    there are 12 men on a basketball team, and in a game 5 of them play at any one time. if the game is 1 hr long and if each man plays exactly the same amount of time how many minutes does each man play? a) 10 b) 12 c) 24 d) 25 e) 30 b) 12 NO. Its d) 25. With

    asked by Christine on June 29, 2005
  59. physio

    Which one(s) of the essential chemical elements (H, C, O, N) does blood contain? All of them not just one of them. All amino acids contain carbon, hydrogen, oxygen and nitrogen. Blood contains several dozen proteins alone

    asked by Jawad on June 20, 2005
  60. science

    If the absolute pressure of gas is 550.280 kPa, it's gage pressure is what? Subtract atmospheric pressure from that to get gage pressure. Atmospheric pressure varies with altitude and weather, but the average atmospheric pressure, at sea level, is 101.325

    asked by Naomi on July 1, 2005
  61. science

    What is carbon cycling? http://www.elmhurst.edu/~chm/vchembook/306carbon.html A thing made out of carbon. It is in a shape like a circle.

    asked by Josh on June 14, 2005
  62. Business Law

    Monk and Jenkins leased a building they owned to Tuneup Masters for 5 years. The lease contained a provision to extend the lease an additional 5 years by sending a certified or registered letter at least 6 months prior to the expiration of the lease.

    asked by Jermaine Busby on August 3, 2005
  63. heat

    how much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? You will need the specific heat capacity for coal...you can look that up in a table in your text..

    asked by vanice on July 5, 2005
  64. math

    When simplifying a rational fraction, why do you need to factor the numerator and the denominator? Include two examples! to get like terms Can you explain a little more? When you factor then you can cancel like terms Example: 12/3 (3)(4) ------- = 4/1 =4 3

    asked by jenn on June 14, 2005
  65. facial hair

    hi i know this isnt a homework question but i don't know where else to turn, and ive gotten help here before anyway the facial hair on the right side of my face grows a little faster than on my left side. is this normal? Yes, it is normal, and common.

    asked by frank on August 24, 2005
  66. English - Parts of Speech

    In the sentence "He is projected to win," what part of speech is "to win"? I'm having trouble deciding between noun, adjective, or adverb... Thank you! he is going to win adverd 6th grade. I don't know how to do this can you help me

    asked by Ben on August 18, 2005
  67. Fluid Mechanics

    A 6 kg. piece of metal displaces 1 liter of water when submerged. What is its density? The volume of the water dispaced was given, so... Density metal= massmetal/volumemetal The volume of water displaced is the same as the volume of the metal.

    asked by Jarrad Schomaker on June 17, 2005
  68. math/algerbra

    What is the equation for finding the midpoint? The midpoint of a line whose end points are (x1, y1) and (x2, y2) is ( (x1 + x2)/2, (y1 + y2)/2 ) hOw dO yOu find the x and y intercept if the equation is nOt in slOpe intercept fOrm? 4+-5=7+8=2 When I doing

    asked by Heather on July 19, 2005
  69. Electricity

    if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the

    asked by angela on August 20, 2005
  70. MORE MATH

    What is the factoring by grouping? When factoring a trinomial, why is it necessary to write the trinomials in four terms? I will be happy to critique your thinking on this. I do not understand to even answer it? How do we determine the common factors in an

    asked by jenn on June 14, 2005
  71. question on a book assignment

    hey everyone...i have to do this assignment for class and these are some really tough questions on the book Peace Like A River by Leif Enger 1)Family loyalty often prevails over "the law" Agree or disagree (and i have to use quotes from the book that will

    asked by Ashley on August 17, 2005
  72. Chemistry

    Please help with this! Draw Lewis structures of all of the important resonance states for the following molecules or ions. Be sure to indicate all formal charges and all unshared electron pairs. H3CCO+ C2H4Br+ C7H7+ (This is a ring with one H on each C)

    asked by Jawad on September 1, 2005
  73. Math - Standard Deviation

    A General Electric soft white 3-way bulb has an average life of 1200 hours with a standard deviation of 50 hours. Find the probability that the life of one of these bulbs will be between 1150 and 1300 hours. You need to change the times to Z-scores

    asked by GetYourLeash on July 22, 2005
  74. human anatomy and physiology

    3. Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each of the following in detail using diagrams to aid the understanding of the process. a) diffusion b) osmosis c) facilitated

    asked by Kristen on August 23, 2005
  75. chem

    which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B

    asked by alf on August 5, 2005
  76. THE STRANGER BY ALBERT CAMUS

    WHAT SPURS MEURSAULT'S REVELATION ABOUT THE GENTLE INDIFFERENCVE OF THE WORLD? This sounds like the question you are supposed to answer -- perhaps write an essay about -- after reading the entire book. Have you read it? "What spurs ... " -- those are words

    asked by MA on September 2, 2005
  77. Algebra

    If the temperature on the ground is 70 degrees fernhet, then the temperature at A feet above the ground can be found from the expression -0.0035A + 70. I need to find the temperature at the following altitudes a. 8,000 feet b. 12,000 feet c. 24,000 feet I

    asked by Angel on June 24, 2005
  78. I need help

    I am taking courses in Criminal Justice. I flunked 3 courses in English. What is a comma splice? What is a dangler,fragment? Also how do you write a bussiness letter? Please help me so I can get my associates degree. Thank you ANITA GUNTER A comma splice

    asked by Anita Gunter on June 25, 2005
  79. Math

    Hole digger A 69-inch-tall worker is digging a hole. In the morning the worker's head is a certain distance above the ground. That night the worker's head is the same distance below the ground. Also that night the worker's feet are twice as far below the

    asked by Jean on July 13, 2005
  80. math

    a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how much of each animal did he buy a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how much of each animal did he buy I assume he bought all

    asked by Jonathan on August 18, 2005
  81. Computer

    How much was the first computer? Cost of the first computer? You have to be more specific. The first digital computer? The first electric analog computer? The first "personal" computer (PET)? The first mechanical analog computer? The earliest computers

    asked by fgsaf on June 16, 2005
  82. MUSIC ASAP

    Hi I'm a music man that sings and plays trumpets and 'bout to write and compose music which I'm getting started. I'm also a practical conductor also. Need help on how to prepare myself and how to write cues, bridges, parts, etc. for orchestra, jazz band,

    asked by Henry C. on August 31, 2005
  83. Metric System

    I have two queations that have to do with the metric system: 1- What connections can you identify between the metric units for length and volume? 2- Why is it difficult to convert miles to yrads or feet? Thanks in advance for your help! 1- What connections

    asked by Olivia on August 18, 2005
  84. research project thesis

    So it's been a long time since I've done a research paper. I wanted to see if someone could help me put my topic into a thesis statement. I have a bad way with wording things. IThe topic is to choose someone I believe to be a great leader in history and

    asked by sarah on June 19, 2005
  85. Writing Skills

    A clause from Sentence (i) has been turned into a(n)________in sentence(ii). (i) Since she knew what the lecture was about, she didn't attend the meeting. (ii) Knowing what the lecture was about, she didn't attend the meeting. A. compound predicate B.

    asked by Karin on August 29, 2005
  86. carbon+sugar=starch

    Why are you saying that carbon is needed to make starch? Actually only sugar (glucose) is needed along with an enzyme to catalyze the linkage of multiple glucose units in a dehydration (loss of water) reaction. Glucose + Glucose ----> maltose + H2O maltose

    asked by DrJeff on August 27, 2005
  87. Physics egg

    Could you hardboil and egg on the moon? Options: *Yes, because water boils spontaneously on the moon. *No, because water boils at such a high temperature that it would cause the egg to disintegrate before it became hard-boiled. *Yes, because the

    asked by Julie on August 9, 2005
  88. Discrete mathematics

    I need help solving this problem, I have followed the sequence forward and backwards but can't seem to find the solution. I believe it's the pigeon hole theorem. Here's the problem; Let A be any set of twenty integers chosen from the arithmetic progression

    asked by Lolita on June 22, 2005
  89. chem

    one atom of silicon can properly be combined in a compound with A. one atom of chlorine B. two atoms of oxygen C. three atoms of hydrogen D. four atoms of calcium B. two atoms of oxygen (as in SiO2.. quartz and sand) Ther is also a compound SiO. It is used

    asked by alf on August 5, 2005
  90. electricity

    including a full wave rectifier in an AC circuit will yield a ----- current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave rectifier will reverse the negative waves, making the output voltage

    asked by angela on August 23, 2005
  91. Chemistry

    Combustion analysis of a 1.00g sample of ascorbic acid yields 1.500g of CO2 and 0.409g of H2O. What is the empirical formula of ascorbic acid? (a. CHO B.CH2O C. C2H4O2 D. C3H4O3 E.Cannot be determined with the information given. ) Convert the 1.5 g of CO2

    asked by Jon on July 24, 2005
  92. Science

    Which trophic levels have the most biomass? Which have the most energy? Why? The second law of thermodynamics requires that the primary producers have the most biomass and total energy. See:http://www.physicalgeography.net/fundamentals/9o.html

    asked by Donna on August 1, 2005
  93. Math

    What is tbe next row of the following table? 0 2 2 2 0 0 0 0 0 0 2 4 6 4 2 0 0 0 0 2 6 12 14 12 6 2 0 0 2 8 20 32 38 32 20 8 2 2 2 2 4 6 4 2 2 6 12 14 12 6 2 2 8 20 32 38 32 20 8 (2) Notice in this arrangement any number is the sum of the number above it

    asked by Beth on September 1, 2005
  94. Forgot my book, need science help!!

    Please help me I have a whole section to do over the weekend and I forgot my book! Please help!! You'll need to post a question in order for a science teacher to know what kind of help you need. Biology? Chemistry? What? And what is/are the question(s)?

    asked by Linz on August 20, 2005
  95. Chemistry

    Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for

    asked by Paul on July 25, 2005
  96. Economics

    five final goods and services that are not included on the GNP GNP is the sum of the market value of all final goods and services produced in a country over one year. So, to be excluded from GNP, the good or service a) generally cannot have a "market

    asked by Dj Pruit on June 23, 2005
  97. physics

    The consumption of natural gas by a company satisfies the empirical equation V=1.50t+0.008t^2, where V is the volume in millions of cubic feet and t the time in months. Express this equation in units of cubic feet and seconds. Put the proper units on the

    asked by kim on August 6, 2005
  98. brain teaser help

    The new science teacher claims he can place a beaker in the middle of the science lab and crawl into it. How? Does anyone get this or hav an idea? haha I think it was a metaphor or some joke or something :P, just to get you insterested. Because you did say

    asked by Sherry on August 20, 2005
  99. Motion

    Can sumone explain wot linear motion is? Wot's the opposite of linear motion? THX Linear motion is motion is a constant direction, i.e., along a straight line. The speed may change but the direction may not. Motion that is not linear is called curvilinear.

    asked by Mike on June 25, 2005
  100. Higher Maths

    Show that these three points , P(-8,3), Q(-3,4),R(-6,-7), Form a right angled triangle and name the right angle? There are two ways of doing this: 1) determine the slopes for all lines, and the pair that have a right angle will have a negative inverse

    asked by R0SS on September 1, 2005