Critical Thinking/Math

146,623 results, page 42
  1. critical cognition

    Can someone help me evaluate this hypotheses? Evaluate the following hypothese using the five criteria ( The Scientific Method ) for a good scientific explanation. If the hypothesis is inadequate, formulate a new hypotheses and discuss why it is better. A.
  2. chemistry

    Posted by Bret on Friday, March 16, 2007 at 10:44am. what is the oxidation number for nitrogen in the following? NH3 NO2 1- N2 NO2Cl N2H4 For Further Reading chemistry - bobpursley, Friday, March 16, 2007 at 11:26am We will be happy to critique your
  3. Physics

    Suppose you’re eating in a restaurant where the dishes are shared at the table and all placed uniformly on a rotating disk-like surface. Model this surface as a thin disk of radius 33.4 cm. You can’t stop thinking about physics even though you’re out
  4. Child Development--I Need Your Help!

    When attempting to modify a child's behavior using negative reinforcement, the desired result is that the child will: A. Withdraw from certain social activities B. repeat behavior for which they get the desired result C. avoid behaviors that carry
  5. English

    "The Lottery" (1948) by Shirley Jackson ** this website won't allow for links; therefore, I couldn't put the link of this story** (the short story is online for reference) The question that needs to be answered is: EXPLAIN the source of horror in
  6. English

    Writing an argument essay on why Michael Jackson is the worlds greatest entertainer of all time. Some counter arguments I thought of are how people can say he was "back in his time" but not anymore, and i can back it up with stating facts. I have written
  7. English (Classical Myths)

    I have a myth project assigned. I got lucky (or so I thought) and had the myth of Polyphemus. Wikipedia has it if anyone doesnt know it. There are three things that I need for my project: 1) The moral of the story. 2) How the story explains natural
  8. Calculus (Help)

    Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The
  9. math

    Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left
  10. Math - Algebra 2

    A chemical compound evaporates in a predictable way. In the first hour 1/2 of the amoun in the jar at the beginning of the hour evaporates. In the second hour 1/3 of the amount in the jar at the beginning of the second hour evaporates. In the third hour
  11. speech

    So Im going to be doing an informative speech on dog-human communication. The visual aid I can use is a powerpoint. I really need help kind of outlining/ deciding what to talk about. I got a couple of books and have some research on it and there seems to
  12. human genome

    The human genome has far fewer genes than previously thought. All of the following are ways that cells theoretically can increase the types of proteins they produce except alternative splicing transcription factors compounding Anticodons that are
  13. Pschology Question-HELP!!

    PLEASE CHOOSE THE APPROPRIATE ANSWER: After school,Jeri spends hours talking to her friends on the phone. As she walks in the door one day,she hears the phone ring and yells to her mother, "It's for me!" Jeri interprets the ringing sensation using
  14. physics

    A 1.3 Kg block of ice is initially at a temp of -5 degrees celsius. If 7.5 *10^5 J of heat are added to the ice, what is the final temperature of the system? I multiplied 1.3 Kg of ice by the specific heat of ice (2090), then I divided by the amount of
  15. Science.

    Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents, and why? Phytoplankton, because it provides a source of food salt, because it provides a source of minerals deep water, because it provides the necessary
  16. Anatomy and Physiology

    Which one of the following groups of structures is involved in regulating calcium levels? A. Parathyroid, thymus, intestines, kidneys, and bones. B. Parathyroid, bones, intestines, kidnesy, and adrenal glands. C. Thyroid, parathyroid, bones, intestines,
  17. PLEASE HELP!!!!! I have to leave soon, sorry!

    What is an experiment group and what is a control group? I was thinking an experiment group were people who experiment the world around them out of curiosity.... and that a control group was people who tried to make the world around them better.... is that
  18. As physics

    The table below shows how the braking distance x for a car depends on its initial speed u u / ms-1 5.0 10 20 4 x / m 2.0 8.0 32 128 the reaction time of a driver is 0.60s. Calculate the sopping distance of the car when u= 30ms-1. The mark scheme says:
  19. Chemistry

    How does table salt (NaCl) dissolve in water? A. The oxygen atoms in water molecules attract sodium ions. B. Each sodium ion is surrounded by chloride ions. C. Each NaCl molecule is surrounded by water molecules. D. Water molecules hydrogen bond with
  20. creative writing- please help

    Please help me- I signed up for a creative writing class thinking that I would do pretty well because I am not that bad of a writer but the questions that are asked are really hard to answer. The questions that were asked were like "how old is the color T"
  21. finance

    Innovation Company is thinking about marketing a new software product. Upfront cost to market and develop the product are $5 million. The product is expected to generate profits of $1 million per year for 10 years. The company will have to provide product
  22. English (Grammar)

    Would it be grammatically correct to say "Lastly, the Puritan values of appeasing towards God in every thing they do..." or "Lastly, the Puritan values of appeasing God in every thing they do..." I'm thinking the second one is grammatically correct but am
  23. 9th grade ENG

    in her room at the prow of the house where light breaks and the windows are tossed with linden. my daughter is writing a story i pause in the stairwell , hearing from her shut door a commotion of typewriter- keys like a chain hauled over a gunwale. young
  24. history

    was adolf hitler a leader? http://www.historyplace.com/worldwar2/riseofhitler/index.htm Yes, of the German people after their dissatisfaction with the outcome of the Great War. Here are other links:
  25. English

    I urgently need you to check these sentences. Thank you. 1) We'll agree on which students to include in the project during our parent-teacher class committees, (which will be held) in November. 2)It’s no use trying to convince him. It's no good (I need
  26. leadership and etichal decision making

    You are excited about your new position as compliance officer at ECG because this is your first role as a member of a senior executive team. You have the enviable opportunity to be a critical part of ECG’s growth as the leader who will standardize,
  27. equilibrium

    The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN– was 0.00050 M, the
  28. Biology

    A new pesticide that inhibits egg cell development in cockroaches is being widely used in U.S. homes. As predicted, a number of common cockroaches initially declined but is now more common than it was before the pesticide was introduced. Which of the
  29. science - pangaea project

    I need help with science pangaea project ideas? my teacher wants a great project, and i really need the grade.? my teacher is expecting an AMAZING project from me, because apparently i'm her best student. anyways, i was thinking that i could show the
  30. MICROECONOMICS

    Can anyone help me??? Rank the products below in ascending order in terms of price elasticity of demand: A chicken meal, food for dinner, a soft drink after a dinner, a fruit desert after a dinner. Here's my guess, but you probably know more about the
  31. statistics

    what are the mean and standard deviation of a sampling distribution consisting of samples of size 16? these sameples were drawn from a population whose mean is 25 and who standard deviation is 5. a. 25 and 1.25 b. 5 and 5 c. 25 and 5 d. 5 and 1.25 e. 25
  32. plant biology

    I'm doing a writing assignment on plant stress physiology. The stress that I chose to research was heat stress. One of the things that I have to do is describe at least 3 experiments that I plan to perform (hypothetically speaking, of course). At least one
  33. Please Help Me On This GCSE Higher Question

    Can anyone answer this question which is in a form of a fraction? Simplify: 8x^2+20x-12/8x^2-2 Thanks What does this expression equal? What do you mean by the word "answer"? Did you mean to type 8x^2+20x-12/(8x^2-2)=0 ? the answer is: 2(x+3)/2x+1 ) In an
  34. english

    i have to write an essay on how hucks sound heart won over his deformed consience throughout the book "the adventures of huckleberry finn". i need 3 examples for three body paragraphs. so far i have, 1) when i was going to write miss watson a letter to
  35. Chemistry! Test tomorrow, pls help !

    we're given the equation: C6H6(l)+Br2(l) --> C6H5Br(l)+HBr(g) you need to prepare 50.0g pf bromobenzene and you expect no more than a 75% yield. How much benzene should you begin with if the yield is 75%. i know that % yield = (actual/theoretical) * 100
  36. BUSS/STATS

    Steve cutter sells big blade lawn mowers in his hardware store, and he is interested in comparing the reliability of the mowers he sells with the reliability of Big blade mowers sold nationwide. Steve knows that only 15 percent of all Big Blade mowers sold
  37. science

    The wood thrush is a bird species that lives in deciduous forests in North America. Wood thrushes nest in tall trees, forage for insects and snails in decaying leaf litter on the forest floor, and drink water from nearby freshwater sources. Identify one
  38. Pre-Calc

    I am having a great deal of difficulty with this problem. An open box is formed by cutting squares out of a piece of cardboard that is 16 ft by 19 ft and folding up the flaps. a. what size corner squares should be cut to yield a box that has a volume of
  39. Algebra

    almost done with Algebra...help! 2 3x – 6(2x – 0.055) = 10x + 0.515 I don't know what want but assuming your solving for x... 23x-12x-.33= 10x + 0.515 11x-.33= 10x + 0.515 x= 0.845 You need to clarify your post. Is that 23x or 3x (for problem #2
  40. Pasta cars

    Okay, so my science assignment is to build a pasta car. There is a compitition between all of my teacher's classes, and the other team's science teacher's classes.--losers have to buy the winners a breakfast party. Awards go to the fastest, and the most
  41. Statics

    In a chocolate chip cookie investigation, you decide to compare two cookie sources. Source 1: Mom mails to you a package containing a dozen of her homemade chocolate chip cookies. Source 2: You purchase a dozen of a store brand of chocolate chip cookies at
  42. Medical Billing

    Hi. I am working on my Final Project for my medical billing class. I am filling out a CMS-1500 form. The teacher has instructed us to code ONLY the diagnosis code CATEGORIES, NOT the ICD-9 code. I am confused about what the code CATEGORY is? We are coding
  43. Digital art and design, I need to check :)

    Hey, Is it alright If I check a few answers, Thx guys!! :) 1) Art provides Info about the history of the people who created It True or False I'm thinking False, Because art can tell a story, Yes, But It's not nessarally always about the creator 2) What do
  44. English

    1. When you talk about the purpose of a thing, what expressions do you use? 2. What expressions do you use when you talk about what you do well? 3. Have a conversation about your classmates' specialties with your partner. 4. After thinking about yourself,
  45. ela

    proof read for me He went to eat toast and then he went to buy cards. One of them he was posting card to his mom. He asked his dad to go alone but his dad was little worried about his because he does not know the language. Lao Xu gave me a piece of paper
  46. psychology 11

    Dan and maureen are married and have 2 children, ages 7 and 12. Dan coaches Litle League, and Maureen drives the kids to soccer practice. Dan works as a middle manager in a high-tech firm, and maureen is a successful architect. They own their own house, 2
  47. Art

    Writeacher, I urgently need to revise these sentences. I really hope you can help me. 1) Ads can change and can wash the minds of children. Some years ago people used to switch channels to avoid ads, but we do it less and less 2) Nowadays most people
  48. statistics

    Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a Control group are studying for the same test in complete silence. Both groups take the
  49. History

    Which accurately analyzes the development of Nazi camps for Jews? Initially, Jews were interned in concentration and labor camps before being sent to death camps Jews were initially forced into concentration camps before being transferred to city ghettos
  50. Science

    I have to think of something to do for a science fair project on nutrition. if u have any ideas that would be really cool. You need to think of ideas that interest you. Don't worry about others thinking that the idea is "cool." What nutrition topics
  51. Science check

    I was wondering if someone could check the problems for me? Thanks I can go back and show work if needed..this was just easier to type out. 1)An object has a mass of 615 grams and a volume of 105cm3.What is the density of the object? answer 5.86 gm/cm3 2)
  52. Physics

    In order to construct a fort in your backyard, it is critical that you calculate location of the centre of mass of three sticks in particular, each of which is identical with mass 2.5 kg. The first stick is located on the x-axis and is placed from x = 0 to
  53. English

    Thank you very much. Can you help me rephrase the last few lines, please? "Obscene as cancer, bitter as the cud Of vile, incurable sores on innocent tongues,-- My friend, you would not tell with such high zest To children ardent for some desperate glory,
  54. Statistics

    Hi. I need to complete hypothesis tests and i am unsure if i used the correct tests for each of the following: 1. Do people actually prefer Pepsi or Coke in a taste test? 2. Can people correctly identify Pepsi versus Coke? 3. Are people consistent with
  55. Science

    In the early 1900s, Alfred Wegener noticed that some of the Earth's continents looked like they might fit together like a jigsaw puzzle. He also observed that the continents that looked like they fit together had similar plants, animals, and rock
  56. physics

    Proponents of astrology claim that the positions of the planets at the time of a baby's birth will affect the life of that person in important ways. Some assert that this effect is due to gravity. Examine this claim with Newton's law of gravity. Calculate
  57. Writing

    Please point out mistakes,give feedback, and grade. ACT prompt: In recent years, many schools have adopted a "Great Books"- based curriculum. These schools require students to study certain designated classic books of Western civilizations, arguing that
  58. chemistry stoichiometry

    can someone explain the stoichiometry going on here... so the questions is: A solution containing 0.20g of calcium salt is passed through a column containing the hydrogen form of a strong acid cation exchange resin. The resulting solution is neutralized
  59. Hypothesis testing

    5 Part Question: 6 timed runs were made along route A with an average of 95 minutes and a standard deviation of 10.5 minutes. Route B had 8 test runs with an average of 93 minutes and a standard deviation of 5.2 minutes. Determine if there sufficient
  60. computer

    While you were gathering information to recommend transmission media for the medical instrument manufacturer, you noticed that some of the telco rooms were in disarray. For one thing you notice sloppy cable terminations. Further, cables are pulled tightly
  61. English

    The essay is supposed to be on Advertisements, then we have to narrow it. I have narrowed it to TV advertisements on cars. I was thinking of TV advertisements appeal in the following ways: accessibility, image changing and ???. accessibility would be those
  62. ss

    what type of fallacy 12. That's gotta be a great line of clothes. Have you seen the prices and the people endorsing it? 8. Michael Jordan wore that brand, so those must to be the best basketball shoes. (FALSE ANALOGY) 5. All right-thinking people will
  63. Chemistry

    MF17083:For the following reaction find Kp at 25°C and indicate whether Kp should increase or decrease as the temperature rises. NH4HS(s) <===> H2S(g) + NH3(g); DH° = 83.47 kJ and DG° = 17.5 kJ at 25°C. - A. B. C. D. E. F. Kp = - A. B. C. D. E.
  64. english

    Select the excerpt from "Mother Tongue" by Amy Tan that best describes language bias. 1. I've heard other terms used, "limited English," for example. But they seem just as bad, as if everything is limited, including people's perceptions of the
  65. ct.

    Can someone please check my answers and tell me if I have matched these (5 ) fallacy statements correctly . 1. It takes someone with a really big heart to give to our charity , and you seem like someone who cares more than most . (apple polishing fallacy)
  66. english

    Judging by the behavior of Cassius and Brutus in Act IV, what prediction might you make about their battle with Antony? A. Brutus will betray Cassius and join Antony's army. B. Cassius and Brutus will not work well together in battle. C. Cassius will
  67. mechanics

    Dylan hangs a calendar on a refrigerator with a magnetic hook. Unfortunately, the magnet is too weak, so the magnet and calendar slide down the side of the refrigerator to the floor with an acceleration of magnitude 3ms2. If the coefficient of sliding
  68. medical claims and billing

    I may be over thinking this but I want to be sure I have it correct before I move on. I noticed another person had previously asked this question but I didn't see any answers or suggestions so I'll go ahead and ask it again. My scenario is as follows:
  69. algebra

    Joy is planning a party. One game she decides to play is bobbing for apples. She divides her apples into three amounts, thinking that putting a different number in each same-sized bucket might make ti more fun. Three friends are helping her. Joy puts 1/2
  70. Chem

    what does an -ite or -ate ending in a polyatomic ion mean? i'm thinking it mean Oxygen is in the formula, or is it Sulfur is in the formula? i'm not sure oxygen is in both ites and ates. The ate has more oxygen than ite. NaClO2 sodium chlorite NaClO3
  71. Physics 12

    What is the gtravitational potential energy of a 2.00e3 kg staellite that is in an orbit that has a radius of 9.90e6 m around the earth? Use gravitational potential energy=0 at r=‡ (answer=-2.01e11J) What is the work done against gravity on the
  72. English

    Can someone please help to find poetic devices in this poem? I know there's similes, alliteration and repetition. Can someone help me find some more? Any help would be appreciated :) Lying, thinking Last night How to find my soul a home Where water is not
  73. ap biology

    Molecules that result from this bond do not dissociate in water because its atoms are not charged and, therefore, not attracted to the negative or positive ends of the water molecule. H-bond ionic bond nonpolar covalent bond polar covalent bond I am
  74. Language arts check answers

    If you fail to plan, you plan to fail. simple complex compound <----My choice compound-complex I was thinking about meeting Susan for dinner and then we could go shopping. compound simple complex <----My choice compound-complex Strawberries and
  75. English (writing)

    Hello! I have to write an essay a critical paragraph/essay tommorrow on the following topic: In the first half of the novel, the author uses the idea of gender identity and societal expectations. In what way does the author use the character of Scout to
  76. Biology

    Okay so if i have two enzyme catalyzed reactions: 1) delta g of the ES = -22kJ/mol 2) delta g od the ES = 42 kJ/mol Is this first reaction going to have a higher reaction rate because the of the negative delta g, because doesnt a negative delta g give you
  77. 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
  78. Stress

    Think of a stressful time in your life. How did you deal with the stress. Right down a thoughtful answer. The most stressful time in my life came about when my great grandmother died. I was shattered completely after hearing that news, and so was my
  79. Science

    I really need help in Science. Right now in science we are doing renewable energy. For the assignment we have two choices, a house or car of the future, I decided to do a house. The question is, "How could renewable energy sources be used in a house?" For
  80. algebra word problem

    A small company produces both dollhouses and sets of doll furniture. The dollhouses take 3 hours of labor to produce, and the furniture sets take 8 hours. The labor available is limited to 400 hours per week, and the total production capacity is 100 items
  81. chemistry

    Shown below is a rough sketch of the unary phase diagram (pressure vs. temperature) for carbon dioxide (CO2), dry ice. Note the diagram is not drawn to scale and contains breaks in the axes to signify this. Using the diagram, answer the following
  82. English

    I have an essay i need to write and the questions i need to answer are "Why do you think Romeo and Juliet remains so popular?"and "What is it about the characters of Romeo and Juliet that makes it so easy for young people to relate to them?" I need two
  83. teachers aide curriculum comtent

    which os the oldest art? (a)DRAMA/THEATER (B)PHOTOGRAPHY (C)DANCE(MY ANSWER) (D)MUSIC THE NEW ENGLISH AND LANGUAGE ARTS CURRICULUM IS BASED ON WHICH ONE OF THE FOLLOWING? (A)READING SKILLS (B)SPELLING SKILLS (C)LITERATURE(MY ANSWER) (D)WRITING SKILLS A
  84. english

    I lost my other post but I have another question. Thank you. Who or what is most likely the grandmother's "affliction”? A. worry B. arthritis C. her granddaughter D. her daughter-in-law -- I used to feel a certain prick of pain when I saw Grandmother
  85. Physics

    Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.
  86. Physics

    Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.
  87. Physics

    Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.
  88. Chemistry

    1. A combination reaction may also be a displacement reaction. True or False 2. The combustion of an element is always a combination reaction. True or False For number 1, I first thought true, but then again, nothing is being displaced in a combination
  89. math

    The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central
  90. writing

    I need help writing a thesis statement for my philosophy paper. The paper is about two philosopher's, Thrasymachus and Socrates. Essentially the paper is about the multiple definitions of justice that Thrasymachus throws out and how Socrates proves them
  91. Science

    Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the
  92. Science

    Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the
  93. literature

    what is a literature web? Greta, I imagine that is a reference to using a search tool. If you put "literature web" into a search engine such as Google, you will get a number of sites on various types of literature. I hope this helps. Thank you for using
  94. homework: Heather

    Heather: Please don't post you email address...This is a young person safe site, we opt to protect your identity and privacy. Just Heather will do. Thanks. Here is a summary of what I think you need to address. Creator Spirit is bringing about change in
  95. Chemistry

    Ok, I'm trying my best here, I'm learning, and I'm thinking I'm on a roll, until I can't get the right answer again..... First.. the butane question Calculate the mass of Butane needed to produce 82.7g Carbon dioxide. 2C4H10 +13 O2--->10H2O +8CO2 Ratio
  96. Writing Help please!!

    I have to write a short story for my class. I was wondering if you could help me with the title. I have the plot as a devastated teenage girl. She has parents that are alcoholic and neglect their daughter. She ends up running away hoping to run from all
  97. science

    1. a stream of water will bend toward a balloon that has been rubbed on a sweater to generate static charge. Which property of water is responsible for this behavior? A. THE polarity of the water molecule b. the ability of water to form hydrogen bonds with
  98. poetry

    I would say no, the mariner was not alone on his ship, because there was the wedding guest with him! I went to google and looked up the poem, read it, and it looks like he mostly says things like "The ship was cheered, the harbour cleared,Merrily did we
  99. English

    In act IV,Scene 1 of Romeo and Juliet, two days before her scheduled wedding to Paris Juliet tells Friar Lawrence all the things you would rather do than marry Paris. which of the following lines from her monologue foreshadow the outcome of the play? A."O,
  100. chemistry

    Can someone please explain the behavior of HCl/NaOH mixture as to why it started bubbling/dissolving when combined with Mg and with NH4Cl and why when blue litmus paper was dipped in the HCl/NaOH mixture it turned red. Also can someone explain the correct