Critical Thinking/Math

146,623 results, page 46
  1. Language Arts?

    I am applying or a Med Camp at Penn State and I have to write a thesis. This is what I have so far. "I have always been interested in the medical field. I remember when my dad used to take me hunting, we would gut the animal and I would always be asking
  2. Algebraic proof.

    can someone help and explain these to me? AngleWXZ and Angle ZXY is complementary the measure of AngleWXY=3x+3 a.)measure of angle=______ =measure of angle WXZ+the measure of AngleZXY(Angle Addition Postulate) b.) measure of AngleWXZ+ the measure of
  3. susane

    I have a question concerning waves. What effect does increasing the tension in a vibrating string have upon wavelength? I was thinking that as the weight increases more standing waves are created. As more standing waves are created, the wavelength
  4. last 4 art questions

    1. Connoisseurship was a process in 19th century architecture. a. true b. false 2. Landscape architecture flourished in the late 18th century. a. true b. false 3. Jacques-Louis David was the leading force in French painting during the revolutionary and
  5. Nutrition (Blood Tests)

    If there was an eight year old boy who wasn't get enough to eat and was not eating nutritious foods, what kinds of things would be wrong with him? What things would be wrong in his blood tests? This is what I'm thinking: - prolonged hunger - depression:
  6. History

    Which accurately describes the Middle Passage of the triangular trade? During the Middle Passage, European nations sailed around Africa to Calicut, India, and traded for spices. During the Middle Passage, European nations sailed along the Mediterranean Sea
  7. *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
  8. science/literature

    Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if
  9. Science

    According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types? (1 point) A) east coast of South America and west coast of Africa B) east coast of South and west coast of South America
  10. stastics

    A recent article in a computer magazine suggested that the mean time to fully learn a new software program is 40 hours. A sample of 100 first-time users of a new statistics program revealed the mean time to learn it was 39 hours with the standard deviation
  11. microeconomics

    potatoes chickens MICHELLE 200 PER YEAR 50 PER YEAR jAMES 80 PER YEAR 40 PER YEAR What is michelles opportunity cost of p roducing potatoes WHAT is MICHELLES OPPORTUNITY COST of producing chickens repeat same opportunitity cost for James WHICH PERSON
  12. physics

    Two factors: 1) the weight of the car is now partially down the cable, it adds to tension: mgsinTheta is the component of weight pulling back on the cable. 2) going up you have mass*acceleration. Total tension: ma +mgsinTheta check my thinking, draw a
  13. College english

    Don't want to forget what you learned today? Sleep on it. Naps, ideally 90 minutes long, help you register the happenings and how-to's learned during the day. Then when you catch your z's at night, your brain creates memories of the day's events. But
  14. dev psych

    Can anyone guide me in coming up w/ a current developmental psychology topic? I'm thinking of the topic "designer babies"...I'm not sure this will be a proper topic. The teacher's assignment was general in nature. Thanks in advance.
  15. Physics

    Note: I am in Algebra-based Physics Two 35.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that is fastened to the ceiling. Start solving this problem by making a
  16. Literature/ficional essay

    i have to write a fictional essay focused on character motivation this is my plot:You meet someone who looks very jovial and happy and you fall in love only to realize that there are innumerable problems in his life. You feel cheated and think he has
  17. Science/Chemistry

    How many electrons can occupy a single molecular orbital? and Alumimum is a group 3A metal, Which ion does A1 typically form? I'm thinking Al3+ Your first question depends on the molecule involved and how it is bonded. Hybrid molecular orbits can be
  18. Chemistry

    Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to
  19. maths

    Data were collected on the differences in weight gains of 12 people one month after they stopped smoking, compared with their weight at the time when they stopped smoking. The data are given in Table 2. A positive quantity corresponds to a gain in weight,
  20. college algebra

    Isn't this a plug and chug? I will be happy to critique your thinking. Your equal signs in the function are not correct, I assume that is a typo. suppose a baseball is shot up from thr ground straight up with an initial velosity of 32 feet per second . A
  21. thesis

    I have to write a thesis for iy personal essay. i am choosing the time when i came to america when i was in second grade leaving my home country. My teacher just told us to come with the thesis first, but i can't put mine into words. can you please help
  22. historic art facts

    1. Connoisseurship was a process in 19th century architecture. a. true b. false 2. Landscape architecture flourished in the late 18th century. a. true b. false 3. Jacques-Louis David was the leading force in French painting during the revolutionary and
  23. Anatomy & Physiology

    How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? I will be happy to critique your thinking on this. I know Dalton's Law is the law of partial pressures, Boyle's law is the law for a fixed mass of ideal gas at fixed
  24. physics question

    The sum of the emfs and potential difference around a closed loop equals zero" is a consequence of: a) Newton's third law b) Ohm's law c) Newton's second law d) conservation of energy e) conservation of charge For this question: I had picked d conservation
  25. Biology

    If plants need oxygen for cellular respiration, then why do plants release oxygen into the atmosphere? More oxygen is produced during photosynthesis than the plant needs for cellular respiration, so the plant needs to release the extra oxygen. Plants need
  26. Environmental Science

    are these correct? 29. A common feature of thermal pollution and artificial eutrophication is that they both a. ave sources that are idfficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and
  27. Principles of finance

    Faulkner’s Fine Fries Inc (FFF) is thinking about reducing its debt burden. Given the following capital structure information and an expected EBIT of $50 Million (plus or minus 10%) next year, should FFF change their capital structure? FAULKNER'S FINE

    A.CALCULATE THE CRYOSCOPIC CONSTANT OF H2O. USE IT TO ANSWER THE FOLLOWING: a WEAK ACID HX is dissolved in water. A 0.250 molal solution has a freezing point of 0.5 C. calculate the value of ka for the acid, where Ka is the equilibrium constant for
  29. statistics

    There are four children of di erent ages in a family. Their mom purchases six di erent gifts and decides to divide the gifts randomly between the children. Assuming that a child can receive no gift or multiple gifts, Thinking only about the number of gifts
  30. Lit

    (Both from "The Rocking-Horse Winner") Paul's mother can best be described as; loving and gentle, sensitive and kind, cold and distant, or simple and carefree. I think it's a toss between loving and gentle and sensitive and kind but I also felt that she
  31. Comm 155

    I need help identifying the adverbs and adjectives. I am not sure which are which. Can someone please help me figure this out? In my early years, I was not really thinking about the importance of credit. My credit was severely damaged as a result. Over the
  32. English

    Writeacher, could you please check the very last things. It's really late here and I need to go to bed. Thank you. 1) Unfortunately, we have just sent in our Comenius proposal for a science project on biodiversity in water with both a German and a French
  33. algebra

    Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whose height is 17 cm. am i right that V=(b1+b2)H Check the formula you used. The volume of a right circular cylinder is V=pi*(r^2)*h where r is the radius and h is the
  34. English

    Can someone please help to find poetic devices in this poem? I found a simile ("Their wives run round like banshees"), alliteration ("Alone, all alone" of "l" sound) and repetition ("Nobody, but nobody Can make it out here alone.")Can someone help me find

    A man (weighing 915 N) stands on a long railroad flatcar (weighing 2805 N) as it rolls at 18.0 m/s in the positive direction of an x axis, with negligible friction. Then the man runs along the flatcar in the negative x direction at 40.00 m/s relative to
  36. Unit 4 - Memory, Thinking, and Intelligence

    research Spearman's Model of Intelligence and Gardner's Multiple Intelligences. Based on your findings, compare and contrast the two models. Provide several comparisons and several contrasts. Which of the two models do you feel is more in line with
  37. Statistics

    Can someone please help with this problem to advise how to set up and in the book Essential of Statistics for the Behavioral Sciences. A researcher is investigating the effectiveness of a new study-skills training program for elementary school children. A
  38. Chemistry

    Consider a sample of helium and a sample of neon, both at 30ºC and 1.5atm. Both samples have a volume of 5.0 liters. Which statement concerning these samples is not true? a- each weighs the same amount b- each has the same # of atoms of gas c- the density
  39. Chemistry

    Can u help me in balancing the following eqn. through oxidation no. method or half reaction method. Also please show and explain the steps. HNO3(aq.) + KI(aq.) -----> NO(g) + I2(s)+ H2O(l) + KNO3(aq.) Hoping for a quicker response. I goes from -1 to 0 N
  40. Physics

    Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of -8q. Sphere B carries a charge of +7q. Sphere C carries no net charge. Spheres A and B are touched together and then separated. Sphere C is then touched to sphere A and
  41. PHYSICS!!!

    if the same ball rolls down from three different length trackways with a 20degrees elevation, its acceleration on the short-length trackway is 1.08m/s^2;its acceleration on the medium-length trackway is 1.79m/s^2;and its acceleration on the long-length
  42. Science

    2. According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types? (1 point) A) east coast of South America and west coast of Africa B) east coast of South and west coast of South
  43. Chemistry

    Magnesia (MgO) is used for fire brick, crucibles, and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3) at around 1200 oC. 1. Calculate the equilibrium pressure of CO2(g) (in atmospheres) above MgCO3(s) at
  44. chemistry

    The percentage of phosphourus in a detergent product may be determined by sample treatment including the precipitation of magnesium ammonium phosphate MgNH4PO4*6H2O (MW=245.41), using an excess of both magnesium and ammonium ions. The separated ans washed
  45. Please check my Calculus

    1. Given f(x)=-6/x, choose the correct statement A. The graph of f is concave upward on the interval (negative infinity, 0) B. The graph of f is concave downward on the interval (negative infinity, 0) C. The graph of f is concave upward on the interval
  46. U.S. Government Question

    I have one more question that I would appreciate your help with. In representing the Bank of the United States in McCulloch v. Maryland, attorney Daniel Webster argued that Maryland could not tax a branch of the bank because operating the bank was an

    16-To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled T observations and found the mean x = 106 and the standard deviation sx = 35. The value of the test statistic is equal to (1) 1.1743 (2)
  48. Traditions

    I need another tradition that is not christmas. Please help me. It needs to be from an exciting place. Like australia, england, france, paris. please help!!!!!!!!! Here in exciting Texas, June Teenth is an official holiday.
  49. physics

    Two thin rectangular sheets (0.06 m 0.52 m) are identical. In the first sheet the axis of rotation lies along the 0.06 m side, and in the second it lies along the 0.52 m side. The same torque is applied to each sheet. The first sheet, starting from rest,
  50. military,math

    can someone please help me with these problems. The posted speed limit for trucks along national route 3 is 35mph. how many kilometers will a convoy cover after 3.7 hours on the road traveling at the posted. a) 804.85 b)129.5 c)208.37 d)80.4 The village of
  51. Literature

    I am doing a collage about Fahrenheit 451 and basically we have to make a collage with chunks of writing about quotes that relates back to our proposal. Would It be okay if someone looked at it? Proposal: I am interested in how the government doesn’t
  52. Statistics

    1. In thinking about doing statistical analysis, the sample mean should be interpreted as: A.)a constant value that is equal to the population mean. B.) a constant value that is approximately equal to the population mean. C.) a random variable that is
  53. Grade 12 Physics

    A rocket ship is moving away from the earth after having been fired from a launch pad in Florida. At what point above the earth's surface will the force of gravity be reduced to ½ of its original value? ------------------ Prior to this question I was
  54. science(chem)

    Thanksgiving: this occured. Ham was being served at the dinner. The ham was marinaded with lemonade. This is served every year and I've only eaten it once. (not too fond of the odd taste [sort of like pinapple ham]) argument: I was told that coldcuts
  55. art

    Assignment Type: Individual Project Deliverable Length: 500-800 words (not including references) Points Possible: 125 Due Date: 8/16/2009 11:59:59 PM CT Choose three (3) works of art from three artists from the Baroque period through the Postmodern era.
  56. Physics

    Measuring coefficients of friction. A coin is placed near one edge of a book lying on a table, and that edge of the book is lifted until the coin just slips down the incline. The angle of the incline Theta C, called the critical angle, is measured. (a)
  57. Chemistry

    Write rate law expressions? 2NOCl(g) --> 2NO(g) + Cl2(g) S2O3^2-(aq) + H^+(aq) --> HSO3^-(aq) + S(s) (Sulfur initially forms a colloid solution so it can be treated as aqueous.) (1) Write the rate law expression for the above reactions, assuming
  58. Chemistry

    At a particular temperature, K=3.75 for the following reaction. SO2(g) + NO2(g) (reversible arrows) SO3(g) + NO(g) If all four gases had initial concentrations of 0.500 M, calculate the equilibrium concentrations of the gases. K=(.5+x)^2/(.5-x^2) solve for
  59. Psychology

    Carrie is a fifth grader at Gorrie Elementary school—a school near an affluent neighborhood in a suburb of a major city. Carrie, who lives with her divorced mother—a high school dropout with a steady job as a minimum wage housekeeper—seems to have
  60. English

    (1)Once the lecture starts:let your mind dart (2)ahead during pauses to anticipate what is next. (1) a) No change b)Once the lecture starts, let your mind c)Once the lecture starts; let your mind I chose b) (2) a)no change b)ahead (during pauses) c)ahead,
  61. Math

    An electronics firm uses 600 cases of transistors each year. The cost of storing one case for a year is 90 cents, and the ordering fee is $30 per shipment. How many cases should the firm order each time to keep total cost at a minimum, assuming the
  62. Managerial Economics

    As a VP of sales for a rapidly growing company, you are grappling with the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10 additional personnel. How
  63. Chemistry

    During the electrolysis of an aqueous solution of CuSO4 with inert electrodes (A) the anode loses mass and the cathode gains mass. (B) the mass of the anode remains the same but the cathode gains mass. (C) the mass of the anode decreases but the mass of
  64. English

    Hi, I recently posted a question about postmodern and modern theories of criticism, and I still don't really understand it. Could someone please explain these two to me? I found some info.. but I still kinda don't understand. "Postmodernism represents the
  65. English

    1) Four American 17-year-old students will be in class with us tomorrow for an hour. 2) I need to prepare some activities to entertain them. They can't speak any Italian so the activities must be English. 3) I was thinking of preparing a questionnaire
  66. Social Studies

    What a good topic from prehistory through the Enlightenment ages. Something interesting please. Topic for what: a few paragraphs, a short paper, or a long term paper? I always liked the history of witchcraft, the discovery of the solar system in which
  67. Physics - Kinematics

    Qn: Ball 1 is launched up an inclined plane from the bottom of the plane with an initial speed that is the minimum speed for it just to reach the top of the plane. At the same moment as ball 1 is launched up the plane, Ball 2 is released from rest at the
  68. English

    I'm not too sure about the answer to these questions, just want to double check. 3. What mood is conveyed by the words, “I am all longing,” in line 29 of “The Wife’s Lament”? angry frantic (my answer) hopeless 5. Which sentence BEST combines the
  69. English

    1. All of the following quotes from "The Swimming Contest" are intended to foreshadow the future conflict between the narrator and Abdul-Karim EXCEPT A. "But it's not true that we're driving the Arabs out. We are out for peace, not war."***** B.
  70. English

    I urgently need your help to find the proper words. Thank you. 1) Thank you very much for answering my email. I hope you don't mind me writing in English (to you) instead of German. Feel free to answer in German. 2)I'm very pleased to start working with
  71. International Business

    How does one go about selecting a country because i'm clueless when it come to anything about business/political international in order to answer these question I was thinking Africa but not sure if that's a good country? Select a company and country that
  72. chemistry

    Hi! i'm kinda having trouble getting this.. Don't understand it really from Ca(OH)2 + 2HCl-----> CaCl2 + 2H2O How do i calculate Ca+? :You need much more information. 1) do you mean the concentration of Ca+ ion? 2) is there excess HCl? What is given? ok
  73. Chem

    A bottle of win contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is .79 g/mL. Calculate the concentration of ethanol in wine as mass percent and molality. I calculated molality as 2.4 m/kg, but I'm stumped on the mass percent [although I'm
  74. Finding the Molecular Formula

    A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760 mm Hg. If the empirical formula of this compound is CH, what is the molecular formula of this compound? I had some ideas as to
  75. english

    “You are over-scrupulous, surely. I dare say Mr. Bingley will be very glad to see you; and I will send a few lines by you to assure him of my hearty consent to his marrying whichever he chooses of the girls; though I must throw in a good word for my
  76. research writing as a process

    6.What's the next step to choosing a topic once you've identified a general subject? narrowing the topic formulating a thesis thinking about the nature of writing finding a general topic Question 7 What question should you consider when narrowing the
  77. History

    "America's addiction to obsolescence will be responsible for its environmental demise." Can you please suggest a few arguments I can use for this essay? I'm afraid I'm not on the right track. U.S. industries have been on a path of planned obsolescence for
  78. Didn't do research paper

    I have a research paper due TOMOROW that my English teacher assigned 2 weeks ago. I waited until Friday to start thinking i could rush it, but so far I have nothing. I did tons of non-stop research and got to page 2 when I realized I was "writing in
  79. physiology

    Heres the scenario: You stop at McDonald's and buy a Sausage Biscuit. Thinking about the chemical breakdown of foodstuffs, these are the questions... 1) what the main food molecule is in each part of the sandwich 2) where in the digestive tract each part
  80. physics please check my answer

    Consider the following circuit that contains a battery and six identical resistors: The diagram has branch A with one resistor, connected to branch B with two resistors connected in parallel, and then branch B is connected to branch C with three resistors
  81. Statistics

    Could anyone help me out with the following problem? Identify the consequences (i.e. increase, decrease, or none) that the following procedures are likely to have on both bias and sampling error in an experimental study. A) Assigning treatments to subjects
  82. English

    Hello! i have to pick 3 news articles on a topic that i have chosen,and i have to write an essay to show "how these newspapers and or news magazines present representation of truth and reality designed to appeal to a particular audience.discuss, making
  83. Calculus

    Solve the differential equation. Let C represent an arbitrary constant. (Note: In this case, your answer willto have a negative sign in front of the arbitrary C.) (dz)/(dt) + e^(t+z) = 0 --------------- (dz/dt) + (e^t)(e^z) = 0 (dz/dt) = -(e^t)(e^z) dz =
  84. physics

    An airplane flies at airspeed (relative to the air) of 400km/h. The pilot wishes to fly due North (relative to the ground) but there is a 110km/h wind blowing Southwest (direction 225º clockwise from North). In what direction should the pilot head the

    A pendulum consists of a uniform disk with radius r = 10 cm and mass 545 g attached to a uniform rod with length L = 500 mm and mass 300 g. (figure: one end of the rod attach to a pivot and the other end attach to the center of the disk) (a) Calculate the
  86. chem

    An automobile burns 65 grams of gasoline over 20 minutes. The gasoline combines with 100 grams of oxygen in this reaction, to form carbon dioxide and 47 grams of water. How much carbon dioxide is formed? do I use the heat capacity equation? How much oxyen
  87. Civics

    In The Wealth of Nations, Adam Smith mentions that very good grapes could be grown in Scotland. However, growing high quality grapdes in Scotland would be about 30 times as expensive as purchasing grapes from foreign countries. Some nations are better than
  88. reading

    Finding the Culprit At 4 a.m. in New York city the busy streets were now nothing but a whistle in the sky. There was no one there but a 14-year old girl wandering around, she had a light auburn hair that reached to her mid-waist. She was a fit tall girl,
  89. History

    Which accurately describes the actions of Francisco Pizarro during the Age of Discovery? Upon arriving in the Americas, Pizarro conquered the Huron Empire and gained control of the Northwest Territory. Upon arriving in the Americas, Pizarro conquered the
  90. English

    Does any one know what the poet means by these lines in this poem? "Storm clouds are gathering The wind is gonna blow The race of man is suffering And I can hear the moan," Thank you :) Alone Lying, thinking Last night How to find my soul a home Where
  91. Business Mgmt.

    I need to write a paragraph on Identifying the demographics and characteristics of my customer( or consumer). What the customer needs will my product attempt to meet? My product or business is a shoe company that sells for all ages and all shoes sizes.
  92. English

    I am responding to this .. In my high school course in biology, we are required to dissect frogs. I think this is cruel and pointless. Whatever we learn about frog's anatomy can be learned from a book. My teacher says that I must dissect the frog. My
  93. chemistry

    Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored (forward, reverse, or neither) H2(g)+Cl2(g)<=>2HCl(g) +184 kJ A)addition of Cl2 B)removal of HCl C)increased pressure
  94. English Check!

    Underline the figurative expression(s) in each sentence. Identify the type of expression by writing S for simile or M for metaphor next to the sentence. Sentences might contain both a simile and a metaphor. Can someone chek my work thanks! 1. The glare of
  95. Hypothesis Testing - maths

    Data were collected on the differences in weight gains of 12 people one month after they stopped smoking, compared with their weight at the time when they stopped smoking. The data are given in Table 2. A positive quantity corresponds to a gain in weight,
  96. Physics

    Here is a simple example. The inhabitants of a small island begin exporting beautiful cloth made from a rare plant that grows only on their island. Seeing how popular the small quantity that they export has been, they steadily raise their prices. A
  97. help on a question

    I needed help on a physical science question. When the molecules in a body move with increased speed, it's possible that the body will change from a... A) gas to a liquid B) gas to a solid C) liquid to a solid D) liquid to a gas PLEASE HELP ME!! If the
  98. science (CHECK plz)

    How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could
  99. chemistry URGENT

    I need someone to check my answers to make sure that I have the correct answers. (3 Part Question) Two students each measure the density of a quartz sample three times: Student A Student B 3.20 g/mL 2.82 g/mL 2.58 g/mL 2.48 g/mL 2.10 g/mL 2.59 g/mL mean
  100. English

    This is the second part. Feedback is appreciated greatly. During my time in the class I was able to put many smiles on people's faces. With the help of my council, we took part in adopting over twenty families for Christmas, prepared/delivered food baskets