Critical Thinking/Math

146,623 results, page 47
  1. Biology

    In this assignment, you will select one of the options that you can compare a cell to and design an analogous development structure. then, you will compare the structure of your development to the organelles of the cell that you have learned about in this
  2. Writing/Environmental science

    I'm writing a thesis/research paper on how all animals play an important role on the environment. I'm trying to narrow my paper down on an endangered species but I'm having trouble deciding/thinking of a species that play IMPORTANT roles (ie.- honeybees).
  3. english correction please

    The English Patient and A Farewell to Arms consist of many themes, but the theme that dominates in both novels is love. Ondaatje shows readers that if love truly comes from the soul, it can transcend place and time. Almasy still holds Katherine dear to his
  4. Science

    Name one physical property and one chemical property that you could use to distinguish between water and gasoline. Write down, on a sheet of paper, three or four physical properties. Place them in a column. On another column write three or four physical
  5. physics

    I need to make an egg protection device using only sipping straws and duct tape. Any ideas? I was thinking of making a parachute but how would I do that with just tape and straws? i've done that before.. wrap the egg all the way around with straws with the
  6. reversible reaction

    A+B <-> C+D You mix some of A and B in a closed container and the reaction begins. As time passes, what happens to the amounts of A & B? As time goes on, what will happen to the rate at which A & B turn into C + D? Was there any C & D present when
  7. Critical Thinking

    Controlling Irrational Fears After 9/11* We present this selection as an example of a fairly well-reasoned argumentative essay. There is more here than arguments—there’s some window dressing and you’ll probably find some slanters here and there as
  8. History

    Why were eastern American Indians more adaptable to the “civilizing” influence of Christian missions while Plains Indians were less adaptable? A. Eastern American Indian belief systems resembled Christianity much more than Plains Indian belief systems,
  9. Science-Ms.Sue

    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
  10. Science

    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
  11. biology

    Hemoglobin is a critical oxygen-carrying protein. The protein functions as a tetramer with two α-globin subunits and two β-globin subunits. Individuals homozygous for a specific single point mutation in the region that encodes the sixth amino
  12. English

    When in disgrace with fortune and men's eyes I all alone beweep my outcast state, And trouble deaf heaven with my bootless cries, And look upon myself, and curse my fate, Wishing me like to one more rich in hope, [5] Featured like him, like him with
  13. Math

    Can somone help me with this word problem....thanks The cut-right company sells sets of kitchen knives. The basic set consists of 2 utility knives, 1 chef's knife. The Regular set consists of 2 utility knives, 1 chef's knife, and 1 slices.The deluxe set
  14. Math

    The Bookholder Company manufactures two types of bookcases out of oal and walnut. Model 01 requires 5 board feet of oak and 2 board feet of walnut. Model 02 requires 4 board feet of oak and 3 board feet of walnut. A profit of $75 is made on each Model 01
  15. ethics

    Trends in immigration will continue to shape the face of the United States. What will this face look like in the year 2050? Here are the results of a Google search for US population projection 2050:
  16. Socials-Ms. Sue

    Ms. Sue, thanks to you, I have got to know a lot about Voltaire. Seriously If I have to pick a philosopher that I would agree with, then it would be Voltaire as well. In my book there was very little info about him, so that's why I didn't really get to
  17. science(chem)

    I synthesized Nylon in my lab for organic chem. I need help figuring out the theoretical yield so I can compare it to my product that I synthesized. I looked up the reaction online on Google by typing in "Synthesis of adipoyl chloride and nylon 6.6." I
  18. Science

    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
  19. Science

    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
  20. Science

    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
  21. TO ALL STUDENTS

    Please remember that, even though it's holiday time and many tutors are away, this is still a website for homework questions, not riddles (see the link for riddles at the bottom of the main page), not personal questions, not nonsense, etc. Please remember
  22. Econ

    1.ÊA production-possibilities curve indicates the:Ê A.ÊCombinations of goods and services an economy is actually producing. B.ÊMaximum combinations of goods and services an economy can produce given its available resources and technology. C.ÊMaximum
  23. physical geography

    1- A traveler leaves lima, Peru( approximately 12 degrees S Lat. And 90 degrees W. long.) at 8:00 am on Tues. Oct. 3rd and travels for 14hrs before arriving in Sydney, Australia( approx.34 degree S and 150 degrees E). what time and what day would the
  24. Physics

    A spring has a force constant of 100N/m and an unstretched lenght of .07 m. One end is attached to a post that is free to rotate in the center of a smooth table. The other end is attatched to a 1 kg disc moving in uniform circular motion on the table,
  25. chemistry

    If a solution has a lot of particles, is it going to have a low or high boiling point? For instance, would NaCl have a higher or lower boiling point than C12H22O11, based on the amount of particles it has (NaCl has more than C12H22O11)? Are you thinking of
  26. physics

    One component of a magnetic field has a magnitude of 0.046 T and points along the +x axis, while the other component has a magnitude of 0.066 T and points along the -y axis. A particle carrying a charge of +7.50*10^-5 C is moving along the +z axis at a
  27. English

    hmm how to write this in ur own words... I do agree that this poem is like "the whoosh of the imagination at work". Firstly, there is the style of writing in the poem. There is no punctuation at all in this poem. This shows how quickly the boy's
  28. Statistics

    A simple random sample is conducted of 1486 young adults who were once college students seeking bachelor’s degrees at a specific university. The study found that 780 of these young adults actually earned bachelor’s degrees. Use a 0.05 significance
  29. As physics

    Q11.The table below shows how the braking distance x for a car depends on its initial speed u. | u / ms-1 | 5 | 10 | 20 | 40 | | X / M | 2 | 8 | 32 | 128 | The relationship between x and u is: doubling speed increases distance by a factor of 4. i)The
  30. Calculus help, very confused!!

    A fundamental problem in crystallography is the determination of the packing fraction of a crystal lattice, which is the fraction of space occupied by the atoms in the lattice, assuming that the atoms are hard spheres. When the lattice contains exactly two
  31. nuclear chem

    i need help solving this. Can you guys show me how it's done. Radium-226 decays by alpha emission to radon-222, a noble gas.What volume of pure Radon- 222 at 23oC and 785mmHg could be obtained from 543.0 mg of radium bromide,RaBr2 in a period of 20.2
  32. Counseling

    I chose C for this question. Is C the correct answer? 1. Dr. Ben Casey encountered a problem with a new client in therapy. Using the model of reflective practice what is the sequence of steps Dr. Jones should use in order to work with this client
  33. Configuration

    What is the electronic configuration of carbide C-4? Thought it was 1s2 2s2 sp2. Thanks from Sheryl C is atomic number 6. Electronic configuration of the neutral atom is 1s2, 2s2, 2p2. The carbide ion, C^-4, has four more electrons. So the extra four
  34. science (any tutor)

    2. How did Darwin and Lamarck differ in their thinking about change in 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
  35. English (essay help)

    I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs done but I'm having trouble thinking of a proper introduction. My first sentence for my intro is: confederation was the best
  36. Hydrogen bonding with polypeptides

    In a polypeptide at physiologic pH, hydrogen bonding may form between which of the following? a) side chains of leucine residue and lysine residue b) side chains of aspartyl residue and glutamyl residue c) terminal amino acid group and terminal carboxyl
  37. English

    Here is a part on Defoe's life you have already revised. THank you I added a sentence I need you to check (sentence 4) 1) He was born in London 1660 into a Puritan family and lead a life full of interesting and important events. He was educated in one of
  38. Chemistry

    1. Engineers design air bags that deploy almost instantly upon impact. To do this, an air bag must provide a large amount of gas in a very short time. Many manufacturers use sodium azide, NaN3, to produce the gas in such a manner 2NaN3(s)  2Na(s) +
  39. life orintation

    TOPIC:campaign with responsibility CRITICAL FOR MARKS (A)introduction (3marks) (B) description of recent service delivery protest (5marks ) (C)research on processes of campaigns and protests (20 marks) (D)evaluation of current protests (20marks) (E)
  40. Kate

    ok I was doing this problem cos^-1 (0) and was like oh that would be pi/2 but then I thought about it some and decided that even though it's right it can't possibly be... if tan(pi/2) = the first derrivative of a vertical line = undefined well not really
  41. Science

    How did Darwin and Lamarck differ in their thinking about change in species? Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. Darwin thought that change
  42. english

    google search 'the other wife, by colette' Which of the following statements BEST describes the relationship between Marc and Alice? a. she lets him make all the decisions b. he lets her make all the decisions c. they discuss the matter and arrive at a
  43. physics, torque

    A crane shown in the drawing is lifting a 170-kg crate upward with an acceleration of 1.8 m/s2. The cable from the crate passes over a solid cylindrical pulley at the top of the boom. The pulley has a mass of 130 kg. The cable is then wound onto a hollow
  44. English

    I forgot to include this sentence. Can you please check the tense choice since I switched from the past to the present? Thank you. 1) In the poem Daffodils the flowers are presented not as statically as in a painting, but alive with motion. 2.They lay
  45. English

    I got a speech to do on a English topic called CONFLICT & RESOLUTION. I have to do a speech on either a : person - biography or autobiography novel movie theme a poet and conflicts can be: interpersonal intrapersonal intergenerational intercultural A large
  46. science(chem)

    Consider the following errors that could be made when running the TLC. Indicate what should be done to correct the error. a) A 2 component mixture containing 1-octene and 1,4- dimethylbenzene gave only 1 spot with and Rf value of 0.95. The solvent used was
  47. Bio Bio Please check answer

    Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to one specific amino acid. Yet, there are only 20 amino acids used to produce proteins. Thsus, the gentic code is said to be
  48. chemistry (heat of fusion/vaporization)

    i need help setting this problem up. You have an insulated container of water that has a temperature of 83.2 C, you continue to add ice until the temperature reaches .6 C and you remove the excess ice, your volume increased by 79.8 mL. What amount of hot
  49. Psychology ; the mind at work

    1. If you look at a photograph for a short time and then look away from it, your trace memory of the image will A. generally fade away in about a second. B. typically form a lasting memory. C. generally last about as long as the time you looked at the
  50. Physics - bobpursley

    Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine provides an upward force (thrust) of 3270 N, the craft descends at constant speed; if the engine provides only 2190 N, the craft accelerates downward at 40
  51. Physics

    Can you please explain further because I don't understand? Two parallel slits are illuminated by light composed of two wavelengths, one of which is 645 nm. On a viewing screen, the light whose wavelength is known produces its fifth dark fringe at the same
  52. Science

    1. When evolution was first proposed, which of the following was used as evidence to support the idea? A. observations of nature B. laboratory experiments C. extensive fossil collections D. genetic sequences 2. How did Darwin and Lamarck differ in their
  53. Analyzing with ANOVA

    Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means
  54. English

    Which sentences in this excerpt from Ernest Hemingway's "In Another Country" reflect the theme of the psychological alienation caused by war? a. We all had the same medals, except the boy with the black silk bandage across his face, and he had not been at
  55. workshop

    Could someone help me with this. Directions Create in-text citations by following the directions for each of the following sources. Example Practice Directions: Create an in-text citation using the information from the following book. Mention the author in
  56. Chemistry

    Calculate the freezing point depression and osmotic pressure at 25 degrees C of an aqueous solution of 1.0 g/L of a protein (mol wt= 90,000) if the density of the solution is 1.0 g/mL. I know how to calculate freezing point depression and osmotic pressure,
  57. MTH233/statistics UOP

    Clickfraud has become a major concern as more and more companies advertise on the Internet. When Google places an ad for a company with its search results, the company pays a fee to Google each time someone clicks on the link. That’s fine when it’s a
  58. HELP HELP SCIENCE

    Mrs. Browns class is studdying how the path of the suns crossing the sky changes during the day.Each hour a pair of student goes outside to a square Mrs. Brown painted on the ground or sidewalk.One student stands a ruler upright in the center of a painted
  59. Chem.....

    Methanol, CH3OH, is produced on an industrial scale from carbon monoxide and hydrogen. At the temperatures used, gaseous methanol is formed according to the following thermochemical equation: CO(g)+ 2H2(g) <---> CH3OH(g) H = -90Kj 1. State Le
  60. English

    1. Describe the program with gestures. 2. You have to gesture the kind of program in mind. 3. Mime the kind of program you like. 4. Gesture the kind of program you like best. 5. You have to describe the kind of program you are thinking of with mime. 6. You
  61. multimedian

    you are given chance to be a designer of any company of your dreams and the condition is to make a description of the design process you will follow to get the two dimension art for the company about any topic of your choice. Competence criteria are as
  62. Chemistry

    What Occurs as a salt dissolves in water? the number of ions in the solution increases and the freezing point decrease the number of the ions in the solution increase and the freezing point increase the # of ions in the solution decrease and the freezing
  63. Weighted Averages

    I am assuming this is a 1,000g mixture. 42% H3BO3 = 420g H3BO3/(420g H3BO3+580g H2O)= 0.42 by mass. 420g H3BO3/(420g H3BO3+580g H2O+Xg H2O)= 0.06 Solve for X Check my thinking. Check my work. There is an alternative approach. You want to dilute it by a
  64. English

    Could you please check the grammar in the following sentences, please? Thank you. 1) On 1 September 1651 he went to Hull to see a friend, who had a ship and was sailing for London. 2)Without much thinking about his father’s warning, he got on his
  65. health [slogan]

    i need a slogan for teen driving laws for a health project. any ideas? The life you save may be your own! anything else? Be a smart driver and not a smart aleck corpse. Other teachers may have additional ideas. Please keep checking. i was thinking: Strive
  66. Elem. Ed.

    I posted this question yesterday,and am still confused. Can someone please help? Which is one of the best ways teachers can help chldren deal with stress: 1.Applying proper behavior management techniques. (or) 2. Providing soothing and relaxing hands-on
  67. Science - Physics

    How can I investigate what happens to the occupants of a car when the car is in a collision in which it collides head on with a solid object (in my example, it will be a brick), and when a stationary car is hit from behind by a moving car. What I am using:
  68. statastics

    21. Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while
  69. Not a subject for course-off topic question

    Hello, I don't know where else to post the question but since this website has many teachers helping students and probably the appropriate place to ask. ----------------------------------------- So today I was just thinking about the past in my life and
  70. algebra(reiny)

    Hey thanks for all your help but you kinda confused me on a few: 1)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum value and find that value A.minimum -1 B.maximum 11 C.maximum -1 D.minimum 11 and you said the function opens up, so there is a
  71. advertising

    how would you explain the redeeming value of sexual appeals in advertising? if sexual appeals are considered okay by the targeted audiences, what responsibily does the advertiser have for indirect targets such as children and how can advertisers protect
  72. Psychology/ Human Growth

    3. With his new ability to think hypothetically, a 13 year-old boy is most likely to: a. Think about how things should be b. Accept conditions as they are c. Feel confident about his future d. Believe that the world is just 4. One of the inadequacies of
  73. chemistry

    A student performed the freezing point depression experiment according to directions but mistakenly recorded the mass of lauric acid as 8.300g instead of8.003g. The calculated molar mass of the unknown acid will be GREATER/LESS than true value b/c mass of
  74. Physics

    1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray
  75. Physics

    1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray
  76. Science

    Which of the following can be used to explain why fossils of the same kind of organisms can be found in different regions of the world? Biogeography Adaptation Continental drif Dispersal Which of the following would best explain why a species of wildflower
  77. ENGLISH

    ive done ten sentences, five are verb and five are adjective, please check. 1. Lily bought a pink cat mask for the halloween party. 2. Anna was covering her scar with makeup as she didn't want anyone to make fun of it. 3. Tory dressed up in disguise to
  78. TO MS SUE Essay help

    I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs done but I'm having trouble thinking of a proper introduction. My first sentence for my intro is: confederation was the best
  79. Statistics

    For this project, you will write a paper that involves designing, conducting, and analyzing results from your own experiment to test the sensory discrimination of one of your friends. Choose a friend who claims to be able to tell the difference between two
  80. Chemistry II

    I will be happy to critique your thinking on this. First, calculate the moles of H2 used. 2.0e8 L H2/22.4 L H2 = 8.9e6 mol H2 For every 2 mol H2 used -572 kJ of energy is produced -572 kJ/2 mol H2 = -2.86e2 kJ/mol I have a balanced equation with this
  81. physics

    a person jumps from a window 15m above a safety net. The survivor stretches the net 1.0 m before coming to rest. What was the average deceleration experienced by the person when they were slowed to rest by the net? I do know the answer is -150m/s2,but I
  82. LAL!(check my work thx)

    check if the capitalized word is correct PARTICIPLES AND GERUNDS 1. americans have many different ways of CELEBRATING holidays. (gerund) 2. BRINGING customs and traditions from their homelands, immigrants add to the rich holiday mix in the US. (participle)
  83. English

    1. Which of these lines contains the clearest example of dialect in poetry? A.) "I'll get a blessin' wi' the lave..." B.) "By the stream & o'er the mead..." C.) "To such a deep delight 'twould win me..." D.) "But oft, in lonely rooms, and 'mid the din..."
  84. Statistics

    . Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they
  85. statistics

    Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they
  86. Statistics

    Hello, I have a few questions I'm working on for Statistics hw. Here's one of them - please help me, I'm stuck. It is known that 2% of the population has a general injection allergy. Suppose the Health Dept. randomly selected 250 individuals from the
  87. Go Math grade 6

    What is the result of the problem below? Thanks What is the problem system?The Webster family is planning a barbecue for one hundred people. The Webster family needs one plastic plate for each person at the barbecue. The Stop and Shop store and Market
  88. statistics

    A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval. solution I
  89. Health (Ms. Sue)

    "As Cindy hung up the phone, she thought about Hallie's comments. Cindy didn't understand why Hallie was so adamant about not going to her sister's funeral. Cindy tried to talk Hallie into going to the funeral. She told Hallie that the funeral might be
  90. Economics

    Suppose that your state raises its sales tax from 5 percent to 6 percent. The state revenue commissioner forecasts a 20 percent increase in sales tax revenue. Is this plausible? Explain. I would think not, because wouldn't the increase in sales tax shut
  91. Economics

    Suppose that your state raises its sales tax from 5 percent to 6 percent. The state revenue commissioner forecasts a 20 percent increase in sales tax revenue. Is this plausible? Explain. I would think not, because wouldn't the increase in sales tax shut
  92. Chemistry

    When atmospheric pressure is 700. mmHg, water boils at 97.714 degrees C. Calculate entropy change of water if 50.0 grams is vaporized under these conditions. The heat of vaporization of water can be found in almost any reference text, and Cp H2O= 33.6
  93. Chemistry

    Having some confusion with this question....I have the answers, just not able to reach them. A flask of volume 5L is evacuated and 43.8 g of solid N2O4 is introduced at 77K. The sample is then warmed to 298K during which the N2O4 vaporizes and some
  94. English

    Can you check if these sentences are simple, fragment, compound, or complex?: "Since the movie would last two hours, after dropping off the kids, mother decided to go shopping." Complex? "Kelly read The Plague as her summer novel." Simple? "Lawmakers
  95. Physics

    Bob and Bob Jr. stand at open doorways at opposite ends of an airplane hangar 25 m long. Anna owns a spaceship, 40 m long as it sits on the runway. Anna takes off in her spaceship, then swoops through the hangar at constant velocity. At precisely time zero
  96. CT. 205

    Please Help Identify the fallacy and explain Why fallacy fit that category . Would Someone Check My Answers to the following ( 4 ) passages . Assignment is past due ! I am having serious trouble on this assignment . 1 . Letter to the editor : “ Andrea
  97. Chemistry

    A(g) + B(g) <=> AB(g) At a given temperature 1.0 mole of A and 1.0 mole of B are placed in the 1.0 litre vessel and allowed to reach equilibrium. Analysis revealed that the equilibrium concenration of AB was 0.40 molar. What percent of A had been
  98. English - Essay Writing

    I've just read the book 'To Kill a Mockingbird and I have to write an essay on the question "Explain how the themes of prejudice and tolerance are explored in the novel" I've started on my essay, but it's been a long time since I've written one. I've made
  99. direct variation

    could someone please help me with these problems i am having trouble. If y=36 when x =6 find x when y = 42 If y=-18 when x=6 find x when y=6 If y =12 when x= 15 find x when y =21 If y=-6.6 when x=9.9 find y when x =6.6 If y=6 when x=(2/3)find x when y=12
  100. Statistics

    Blood samples from 10 persons were sent to each of two labs for cholesterol determination. The measurements are recorded below: Table 1. Serum Cholesterol measurements of Lab 1 and Lab 2 Subject Lab 1 Lab 2 1 296 318 2 268 287 3 244 260 4 272 279 5 240 245