Critical Thinking/Math

145,717 results, page 25

  1. math

    Q. Naomi has a formula that allows her to convert Clesius temperatures to Farenheit temperatures. She needs a formula for converting Fahrenheit temperatures to Celsius tempertures. What advice can you give her? I am thinking that I just reverse the preocess of the first ...
  2. Re: PHYSICS

    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 the flatcar. What is ...
  3. math-statistics help

    A pharmaceutical manufacturer forms tablets by compressing a granular material that contains the active ingredient and var. fillers. The hardness of a sample from each lot of tablets produced is measured to control compression. The target values for the hardness are mean=11.5...
  4. early childhood education

    Need help on wrting a final paper on a combination of philosiphies, theories, and concepts and demostrate how they apply to the earlychildhood classroom. The primary focus will be on the comprehensiveness of the many components that are neccassry to consider when designing ...
  5. Chemistry

    A compound decomposed by first order rxn. The concentration of compound decreases from .1180 M to .0950 M in 5.2 min. What fraction of the compound remains after 6.7 minutes?I'm thinking I set up a proportion maybe. Any ideas how to tackle this problem?
  6. english

    4. Satisfaction is given to Mitty in his last daydream by he thinking he ended all his problems. Trend comparing first dream to last dream is that he starts out being brave man then at end of dream he gets executed.
  7. philosophy

    I am to write a two page dialogue between Socrates and a person. I was thinking about writing about domestic violence. What do you think about that subject. Should I use statistics and numbers regarding this issue.
  8. Math

    In a table of random digits, each digit is to occur with a probability of 0.1. a) A student examines a list of 200 random digits and counts only eleven 4’s and thus claims that the table is not really random. Explain the error in the student’s thinking. b) How many 7’s ...
  9. Calculus

    Suppose that f(x)=3x^3+3x. Find all critical values of f. Then use interval notation to state when f(x) is increasing and when f(x) is decreasing and to state when f(x) is concave up and concave down. Find the local maxima and local minima. Find all vertical and horizontal ...
  10. math

    8 divided by 3 plus 6= You asked 8 divided by 3 plus 6= (8/3) + 6 = 2(2/3) + 6 or 8/3 + 18/3 = ??/3 I don't understand how to describe pairs of related variables what's the difference between dependent & independent variables I'm not what class your question is arising from. ...
  11. Data Manag. [Probability]

    Some1 owns a chocolate shop. A popular product is a box of 40chocs. 5 of which are nuts. if u pick 2 out, randomly, What is the probability that both chocolates are nuts Pr = 5/40 * 4/39 check my thinking.
  12. chemistry

    I need help in drawing a structual formula for hydrogen cyanide(HCN)and cyanogen(CN)2, the drawing has to bear in mind the valencies of hydrogen(1),nitrogen(3) and carbon (4), any help appreciated H:C:::N: :N:::C:C:::N: Check my thinking. The previous one, too.
  13. Calculus

    Find the equation of the tangent to the graph of f(x)=2x^4 (to the power of 4) that has slope 1. Derivative is 8 x^3. This equals 1 at x = 1/2. At this point the y-coordinate is f(1/2) = 1/8. The equation of the tangent line is thus: 1/8 + 1*(x-1/2) = x - 3/8 Thank you for ...
  14. Finance

    Alphonse Inc. is thinking about investing in an annuity contract that will return $100,000 annually at the end of each year for 15 years. What amount should Alphonse pay for this investment if it earns an 6% return?
  15. Economics

    1. Explain why the idea of scarcity is the starting point for thinking economically. 2. Explain why an economist might look at hundreds of kids standing in line for lunch asd say, "there is an example of scarcity."
  16. physics

    It is possible to cut the top off a alcohol-in-glass thermometer without any of the alcohol spilling out. However, it will no longer function as a good thermometer. Why not. I am thinking it is a lost pressures issue.
  17. social studies

    The study of sensation and perception is important to a psychologist because perception and sensation are the foundation of: A-neurotransmitters and the brain's function. B-memory and how it is experienced in the world. C-the science of neuropsychology. D-learning, thinking, ...
  18. Title

    Hi I need help thinking of a title for my graphic novel. It is about India and its exploitation of children. Could someone help me think of a cool title and an idea to make the title look unusual. Like maybe a bleed or something. Thanks!!
  19. Calculus

    Integrate dx/(sqrt(x^2+16)). I have no idea how to start and which method to use. Thinking some sort of trig substitution? But it doesn't look like it. Step by step? Answer key says ln|x+ sqrt(x^2+16)|.
  20. english/l.a

    Can someone give me some persuasuve essay topics? Persuasive essay- a essay that persuades someone into thinking your opinion.
  21. algebra

    A stem-and-leaf plot has a stem of 4 and leaf of 6, but has no a key, Give two possible values that stem represents. Explain the your thinking.
  22. science

    when rearranging the equation 6y = 9 - 3x to make x the subject, am i right in thinking to add 3x to both sides (6y + 3x = 9), then subtract 6y on both sides(3x = 9 - 6y then divide both by 3(x = 9 - 6y/3)? You have it. x=3-2y
  23. englsih writing tips

    So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I feel incredibly stupid when she covers my paper with harsh comments. I just want her to like something in my writing. I feel like I have no potential. ...
  24. Math- Really need help!

    A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread type. The bread ...
  25. Science/ help with finding the independant variabl

    Forty students participated in groups of 4-6. They were given a questionnaire to test their knowledge of the Black cultural stereotype. Subjects were asked to list the components of the stereotype. After listing the components of the stereotype, subjects completed the Modern ...
  26. history

    Most of the Declaration of Independence was the work of ......? John Adams. Ben Franklin. Thomas Jefferson. Sam Adams. im thinking John Adams but not sure??
  27. Econ

    You are thinking about investing $100,000 in a new product. Sales expections are $95,000. If R & D will cost another $3,000, should you invest in the product? Explain.
  28. algebra

    Dorothy is thinking of two numbers. The sum of the numbers is 40 and the difference is 6. write a system of equations and use elimination method to find the two numbers.
  29. Physics/Math

    For the vectors a = (3.9 m)i + (4.8 m)j, and b = (5.4 m)i - (2.0 m)j, give the x and y components, magnitudes, and directions of the following vector operations. (a.) a + b ______(x component) ______(y component) ______(magnitude) ______° (direction from the positive x axis...
  30. english

    The German Oktoberfest actually begins in September. could you tell me what the predicate modifiers are and what the number of the predicate is. I am thinking that begins is the predicate.
  31. personal finances

    A family with $45,000 in assets and $22,000 of liabilities would have a net worth of: A. $45,000. B. $23,000. C. $22,000. D. $67,000. im thinking d
  32. algebra

    The sum of the two numbers is 71. One of the numbers is 24 less than four times the other number. What are the two numbers I am thinking of?
  33. Chemistry

    My school notes say : pH < pOH is acidic pH > pOH is basic Is this correct, I was thinking that if the pH is less than pOH than it was a basic solution
  34. physics

    A 78 kg volleyball player jumps and leaves the ground with a vertical velocity of 3.5 m/s. By thinking about the conservation of energy in a freefalling object, work out how high their centre of mass would reach at the top of their jump and present your answer to the nearest ...
  35. Social Studies

    Which factor contributed to the movement for independence from Britain? A: Thomas Paine's Common Sense B: Discontent among the colonist over King Goerge's restrictive trade polocies C: a desire by the colonists to govern themselves D: All of the above I am thinking D
  36. Health

    In the United States, the most at risk and highest reported rates of infection of gonorrhea are among sexually active ________. A. Teenagers B. Young Adults C. African Americans D. A and B IDK i was thinking all of the above but they don't have that choice i'm lost please help.
  37. Introduction to Finance

    I just need help with these two questions: 1. The difference between the historic price a firm paid and its going price among current buyers and sellers is the difference between its a) market value and depreciation b) book value and depreciation c) market value and intrinsic ...
  38. more math

    sqrt50/sqrt2 (sqrt50)/(sqrt2)*(sqrt2/sqrt2)= (sqrt50*sqrt2)/2 =sqrt100/2=10/2=5 Check my thinking. thanks... what does this equal: 3sqrt2+4sqrt2 3 times the square root of 2 PLUS 4 times the square root of 2. This would equal 7 times the square root of 2, or 9.899... THIS IS ...
  39. physics - energy

    1) What are the 3 basic forms of energy? Since there are so many, I'm thinking of kinetic and potential, but what would be the third? 2)The increase in potential energy of any system is equal to the output ___.
  40. Physics

    Thinking Physic-ly: On some toll roads, the ticket is stamped with the time you enter the toll road and the time you exit. How can the toll taker determine if you were speeding?
  41. electrical trade theory

    GIVE 2 REASONS WHY MICA IS USED AS THE INSULATION BETWEEN THE SEGMENTS OF THE COMMUTATOR? it is cheap, easy to use, heat resistant, an effective insulator, vibration resistant...what is your thinking on this? THANX TEXT BOOK DON'T HAVE THAT ANSWER.
  42. Psychology

    Change your thinking(Title of my reseach paper) How do I plan to support my thesis with compelling arguments and counterarguments. My thesis statement is," Even though we experince situation that demonstrate this simple principle- the way we think determines the we feel".
  43. Physics ideal gases

    Would someone check my thinking please. PVT of an ideal gas (nitrogen) are all given. I've used PV=nRT rearranged to get the number of moles. Then, U= 3/2nRT to get the internal energy of the sample. Am I on the right track? Thanks.
  44. To Laura: Research Writing

    I've removed your post for two reasons. 1. You've referred to unknown materials. 2. You've given us no indication of your thinking on this complex assignment. Please note that the Jiskha Homework Forum does not do homework, nor are we connected with any school or college.
  45. Marketing-please help!!!

    Audience Objections – Identify the reasons why your target(Seniors-age over 65) audiences may not be currently buying Wii games like thinking games such as puzzle scrabbles and so on? What obstacles does your plan need to overcome?
  46. Really Confused

    About the Trading posts...HBC and NWC. Why were many posts of the rival companies placed next to each other? This is so confusing. I am thinking that it might be for business matters, but I would like the whole thing please. And no sites, since they do not help me.
  47. Thinking Critically

    Identify the premises and the conclusion I know there’s a chance this guy might be different, but the last person we hired from Alamo Polytech was a rotten engineer, and we had to fire him. Thus I’m afraid that this new candidate is somebody I just won’t take a chance on.
  48. AP Prep World history

    Can someone please help me write a comparison essay on the Roman Empire and Han Dynasty? I need 2 similarities (paragraphs) and 2 differences (2 more paragraphs). I was thinking for a similarity that both empires were attacked by Germanic tribes.
  49. Chemistry

    How many moles of nitrate ions are present in 24.0mL of a 2.93M solution of potassium nitrate? I'm thinking this is some form of unit conversion problem I know that M= molarity which is mol/L how ever I am confused on how to set this up and input information or if I'm on the ...
  50. math

    A large cube is built from centimeters cubes. The faces of the large cube are painted .Of the centimeter cubes, 1000 are unpainted how many of the centimeters cubes are painted on one face The inner ones are not painted. So (L-1) cubed=1000 solve for L. Then, the number ...
  51. Math help?

    I am kind of stuck on this one Each of two urns contains green balls and red balls. Urn I contains 10 green balls and 8 red balls. Urn II contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P(red and red)? (a) 23/18 (b) 10/27 (c) 40/117 (d) 18/31...
  52. Math

    Television Jim’s mother watches a lot of TV. The screen is 30 inches tall and the bottom of the screen is 6 inches above her eye level while sitting in her favorite chair. To optimize her viewing experience, Jim wishes to calculate how far from the screen she should sit. ...
  53. math

    Television Jim’s mother watches a lot of TV. The screen is 30 inches tall and the bottom of the screen is 6 inches above her eye level while sitting in her favorite chair. To optimize her viewing experience, Jim wishes to calculate how far from the screen she should sit. ...
  54. Algebra

    Determine if the relationship represented in the table is linear. If it is linear, write an equation. x 2 5 7 10 12 20 y -3 0 2 5 7 15 A) Linear; y = x - -5 B) Linear; y = -5x C) Linear; y = x + -5 D) Not linear I'm thinking it's C am I correct
  55. palm valley

    ruben is thinking of a mystery number. if he multiplies the number by 6 and then divides it by 9, the result is 708. what is the mystery number
  56. data analysis- math

    Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly production rates for...
  57. Algebra

    Hi I am taking my final right now and I have a few problems I am stuck with, can you help me? 1. (x-3y)(x squared+3xy+9y squared) 2. (x+2)(x-2)(x-3) they both need to be multiplied thanks I will critique your thinking, if you post it. This is your final... it makes no sense! ...
  58. chem

    A solution contains 32 g of KNO3 per 100g of water at 25 degree C. Is the solution unsaturated, saturated, or supersaturated? I think its saturated Look at your saturation chart. I will be happy to critique your thinking. is there one online?
  59. Physics

    If you lay a steel needle horizontally on water, it will float. If you place the needle vertically into the water, it will sink. Explain why. Think about surface tension, and what causes it. I will be happy to critique your thinking.
  60. Human resources

    Explain the role played by H.R. in the health and safety of the organization's employees? I thought that all Human Resource offices had the same role? I think that I am thinking too hard on this question. Thanks in advance for help.
  61. essay writing

    my prof said that I used next I will discuss way too much so now i'm thinking of other things to say other than discuss but I can't think of anything. this is when im stating my arguments in my introduction. any suggestions?
  62. language arts

    I've got one more question on conjunctions. The sentence is "One bird you are sure to see is McKay's bunting, which breeds here (and, but) nowhere else." I was thinking it might be but since it is contrasting but wasn't sure. Thanks.
  63. dressmaking

    When preparing patterns,the chest measurement is make horizontally at A) the largest part of the bust B) the widest part of the back C) an area under the arm C) an area between shoulderline and bustline I'm thinking it could be either C or D
  64. History

    one more question sorryy xD The process established by the Constitution for electing the president. A popular vote B primary election Cthe Electoral College Im thinking C but this question i don't get so can you please explain it please
  65. 8 Grd L.A.

    "When before in human history has so humanity collectively surrendered so much of its leisure to one toy, one mass diversion?" How would you answer the rhetorical question? ____________________________________________________________________________ I'm thinking the answer is ...
  66. Biology

    Hi, I am trying to work out a hypothesis to compare Estrogen receptors in breast cancer cells to normal breast tissues. Am I right in thinking that this will be a hypothesis using "effect" words instead of association ?
  67. Language Arts

    Choose the term that describes the type of sentence shown. The senior class took a trip to Washington, D.C. and Annapolis for their research project. A Compound** B Simple C Complex D Compound-Complex If not A, I was thinking D.
  68. Crt/205 Critical Thinking

    I need help with this assignment: Argument Evaluation DUE: Day 7 Points: 100 · Read the essay “Bush’s Environmental Record” by Bob Herbert found in the “Appendix 1”, pgs. 461-462. To find this, click on the “Controlling Irrational Fears after 9/11” link found in...
  69. Chemistry

    For the solvation of borax in water, would delta Ssys increase or decrease in the reaction? I was thinking that since delta H is positive then delta Ssys is negative but I am not completely sure.
  70. SCIENCE

    A colony of bacteria is made up of (5) cells. Asuuming that no cells die and that every cell divides, how many cells will there be in the colony after four divisions? a 20 b 80 c 160 d 625 I'm thinking its b.
  71. Physics

    A singer moves a note up one octave. How has the sound changed? The amplitude has decreased The wavelength has increased The speed has increased The frequency has increased <-- im not sure, but i'm thinking that it's this one
  72. Calc

    Use a comparison test to determine if the integral from 8 to infinity of sin^10(x)e^(-x) converges or diverges? I am stuck on what to use to compare. Any help is appreciated! Thank you! I was thinking -1<sin<1 but then I get 1<sin^10<1 which makes no sense
  73. Physics

    Trace by drawing the path of a ray of light shown in 90 degrees. This ray is incident in a perpendicular direction on the figure through a glass triangular prism on one side of the right angle. Given that the two sides of the right angle are equals and that the critical angle ...
  74. Algebra

    Need help plz. Don't really get this "reversing the digits" What is this really called in math language? Prob:Find the product of 32 and 46. Now reverse the digits and find the product of 23 an 64. The products are the same. Does this happen with any pair of two digit numbers...
  75. health

    Which of the following is true? A. It would take three to five hours to hydrate the body after a water loss of 3 percent. B. A critical time to replace bodily fluids is while exercising. C. Mild food ingestion during exercise increases water absorption from the stomach during ...
  76. Physics/Math

    In the vector sum A + B = C , vector A has a magnitude of 13.1 m and is angled 49° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 20.0° counterclockwise from the -x direction. What are (a) the magnitude and (b) the direction (...
  77. College Chemistry

    The boiling point of a liquid at atmospheric pressure is the temperature: a. at which bubbles of vapor expand within the liqud b. at which the liquid solidifies c. at which the vapor pressure first exceeds the critical temperature d. at which the vapor pressure is equal to the...
  78. chem.

    Hey this is my question: At a temperature of 300°C and a pressure of 40.5 MPa, 90.0 mol of H2(g) and 80.0 mol of N2(g) are injected into a reaction vessel. When equilibrium is established, 37.0 mol of NH3(g) are present. The number of moles of H2(g) present in this ...
  79. English

    Read the following line from "Not Waving but Drowning." "Poor chap, he always loved larking And now he's dead" a. detached b. pleased c. objective d. critical NOT WAVING BUT DROWNING Stevie Smith Nobody heard him, the dead man, But still he lay moaning: I was much further out ...
  80. math

    Suppose I have 8 coins.4 of them have heads on both sides and the other 4 have tails on both sides. I reach in and get 4 coins at one time. What's the probability that I get 2 head coins and 2 tails? Well I was thinking that it would be 1/2 since both heads and tails have 4 ...
  81. social studies

    this is a difficult question, its a critical question but i don't kno wat to write really The title of this article is called Population Growth in Kenya. Develop and defend a hypothesis about how many people might live in Kenya 100 years from now. What factors should you take ...
  82. Science

    We have to draw a "element superhero" for science, I was thinking about doing mercury, but all i know about it, is it used to be in thermometers and it is silvery. What are some other things about it and is it in the group, metals?
  83. physics

    gold and silver have densities of 19.3 and 10.5 grams per cubic centimer, respectively. If you have eual volumes of each, which one will have the larger mass? I am thinking the gold. how do i prove it? Thank you
  84. reading and literature

    which is hamlet by Shakespeare historical fiction, mystery, myth, science fiction, realistic fiction, allegory, parody, satire, or graphic novel.im thinking graphic novels
  85. Art

    which is the best definition of the term symbolism? The use of an unknown image The practice of thinking in symbols The use of signs to give directions The use of symbols to represent ideas •• Correct me
  86. chemistry

    I also have to write all the structural formulas of the isomers of the compund hexane C6H12. i was doing research and i was finding that there could be 9 or 11. then i came across a site that said it is not planar. so does that mean that it is a ring structure and there is ...
  87. Sociology

    the variable that sociologists exphasize the most as being the determining motivation for our thinking and behavior? A. Random chance events B. Natural born in instincts C. Inherited genetic structure D. ones society and social location My answer is D is that the right one. ...
  88. english

    Hi, I have to compare Crossing Brooklyn Ferry by Walt Whitman to modern day time. The last couple of journal entries I've compared to well known songs and their lyrics. I'm thinking of comparing it to an important event or movie, but I'm not sure what to write about. Any ideas...
  89. Technology & Society

    Based on brain research, Kahn suggests that to encourage neural branching, educators should use all of the following teaching strategies EXCEPT: A. application of different symbols. B. analogy. C. rote memorization. D. hypothetical thinking. I think it's C. Am I right?
  90. Engineering/Shop

    I've been asked to help a friend make a longsword. Aiming for a length of 3 to 4 feet, what metal should I use to give it a weight of 50 pounds or less? I've experimented with steel, but that is too heavy to fit dimensions. I was thinking titanium or something, but I don't ...
  91. STAT

    Given a sample size of 18, with sample mean 660.3 and sample standard deviation 95.9, we are to perform the following hypothesis testing: Null Hypothesis H0 : µ = 700 Research Hypothesis H1 : µ ≠ 700 •What is the test statistics? •At a 0.05 significance level, what...
  92. STAT

    Given a sample size of 18, with sample mean 660.3 and sample standard deviation 95.9, we are to perform the following hypothesis testing: Null Hypothesis H0 : µ = 700 Research Hypothesis H1 : µ ≠ 700 •What is the test statistics? •At a 0.05 significance level, what...
  93. Human Development

    Blake amuses and challenges his teachers with his independent thinking. He’s self-reliant and responds appropriately to corrections and criticism. Blake’s parents probably use the _______ style of child rearing. A. permissive C. authoritative B. authoritarian D. emotional
  94. English

    I recently wrote a research proposal on teamwork and the only feedback given was to "focus on a specific aspect of teamwork". What does that mean and do you have any suggestions? I was thinking that she could be talking about why it's important or something along those lines. ...
  95. Socials

    I have to write a 100 word story(yes, insane) including all the key terms affiliated with the merging of Hudson's Bay Company and Northwest Company. I am thinking of writing it from the perspective of a Metis... what would I feel about this merge?
  96. creative play

    Manipulative materials develop children’s small muscles in their fingers and hands, basic concepts, imaginative thinking, and: A. sorting and classifying many materials. B. manipulation and cultural diversity. C. large muscle activity. D. eye-hand coordination. D?
  97. math

    For positive a, b, the potential energy, U, of a particle is given by U = b (a^2 over x^2 - a over x) for x is greater than 0 a) find the x-intercept b) find the asymptotes c)compute the local minimum d) sketch the graph I don't know how to start this problem Well first I'd ...
  98. algebra

    Solve the system by graphing. 3x+y=6 3x-y=0 I'm kind of unsure about how to do this. I'm thinking I just put any point in for x and then solve for y...is that right? you could let y=3x then substitute this value of y to the first equation...3x+3x=6 so, evaluating this... you ...
  99. english Ms. Sue

    Why should society as a whole change its way of thinking and begin to spread ideas with each other. Relating back to how does social norms change war as a social disease versus non-conformity
  100. French 1

    Ils regardent les vetements pour hommes dans ______ de la boutique. a. la caisse b. les soldes c. al vitrine d. au rayon I am thinking that it is c or b??? La Martinique est dans la mer _____ Antilles. a. de b. des c. de l' d. de la is it b?
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