Critical Thinking/Math

145,530 results, page 12

  1. statistics

    Suppose a chi-squared test has a degree of freedom of 10 and the level of significance is set at 0.05. What is the critical value?
  2. Calculus Grade 12 University

    Determine the critical numbers and find the absolute maximum and minimum values of the function y = 8x^3 + x^4 for x e [-8,2]
  3. Research

    If Dr. Robinson rejects the null hypothesis after observing a test statistic which exceeds the critical value at the .05, there is
  4. help

    What action should a leader in the Army take when a soldier leaves a thumb drive in the computer that has critical information?
  5. Calculus

    List the critical numbers of the following function in increasing order. Enter N in any blank that you don't need to use. f(x) = (6x+6)/(5x^2+5x+5)
  6. Statistics

    Find the critical values x2L and x2R that correspond to the given confidence level and sample size. 99%: n=23
  7. Calculus

    Find any critical numbers of the function f(Ø)= 2secØ +tanØ, 10π < Ø < 12π A. 67π/6 B. 71π/6 C. 63π/6 D. A and B
  8. calcxulus1

    Find the critical points of the function. (Enter your answers as a comma-separated list.) g(x) = square root(81 − x^2)
  9. Please check my Calculus

    1. Find all critical values for f(x)=(9-x^2)^⅗ A. 0 B. 3 C. -3,3 D. -3, 0, 3 E. none of these I got D. I found the derivative and solved for critical numbers. 2. Find all intervals on which the graph of f(x)=(x-1)/(x+3) is concave upward A. (negative infinity, infinity) ...
  10. math

    Thomas is thinking of a number, if he doubles his number and subtracts 27, he gets 407. Whats his number?
  11. Physics IMP

    A large heavy box has its center of mass at a distance l from a bottom corner and at an altitude h above the ground. At what critical angle alpha does the box start to fall over when it is tilted? Assume that the bottom corner of the box has a large friction coefficient with ...
  12. Math

    Ed is thinking of. number. If he adds four to his number, the result is less than 6. Write and solve an inequality about Ed's number
  13. SAT

    I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:
  14. The SAT,

    I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:
  15. math

    im thinking of a number. i add 12. i double it. I subtract 8. I halve the number. I get 12 . Whats my number?
  16. critical thinking

    Can some please help with these questions. I just want to make sure I am on the right path. 1. Our frame of reference. a. definitely makes us objective and open-minded b. stops us from having obstacles in our approach to reading, c. limits how we view the world , and ...
  17. logic

    What would be the standard form of the following sentence? "The only road to success is hard work" First I had "All roads to success are hard work." Now I'm thinking that that's wrong because "roads" is plural and I'm talking about "THE road." So now I'm thinking: "All things ...
  18. Calculus

    The rate of performance is given by dN/dt=1/(2sqroot(t+1)) where N is the number of unity completed t hours after beginning a new tak. If 2 units are completed afer 3 hours, how many units are completed after 8 hours? N= INT 1/2 (t+1)^(-1/2) I will be happy to critique your ...
  19. math

    I am thinking there has to be a typo on my homework. The question states to Decide if the given number is a solution to the given equation and below it it shows 24/x 2;3.... does this make sense if so could someone explain it to me?
  20. Math

    I have to find the relationship between these sequences, and express a generality. Could you help please. 1 + 3 + 5 + 3 + 1 = 3^2 + 2^2 1 + 3 + 5 + 7 + 9 + 7 + 5+ 3 + 1 = 5^2 + 4^2 1 + 3 + 1 = 2^2 + 1^2 I'm thinking sum of consecutive primes can be expressed in squares? The ...
  21. Math

    Rena knows a dollar coin has a mass of a little than 10 grams. She guessed that 1 kilogram of dollar coins would be worth dollars. Is this prediction reasonable ? Explain your thinking
  22. Math

    Finding the critical value(s) of x^2, and use a x^2 distribution table to find the limits containing the P-value. Determine whether there is sufficient evidence to support the given alternative hypothesis. Test Ho:theta=2.63,Versus H1:theta does not equal2.62, given that theta...
  23. calc- please help

    given x=2cos(t)+t*sin(t) and y=2sin(t)-t*cost(t), with t:[pi, 2pi] find all critical values. (4 answers)
  24. Critical Thinkhing

    How can you tell the difference between prejudicial and nonprejudical. Busy, see the answer to Shelia's question below.
  25. Prob and Stats

    In a multiple regression with 5 predictors in a sample of 56 U.S. cities, what would be the critical value for an F test of overall significance at a= .05? A. 2.45 B. 2.37 C. 2.40 D. 2.56
  26. statistics

    In a goodness-of-fit test where the sample size is 200, there are 5 categories, and the significanace level is .05. What is the critical value of x squared?
  27. business

    How are the tactical plan and the goals related to long-term objectives (LTO) and Critical Success Factors in your experience
  28. Calculus

    Find and classify the critical points off(x)=8x^7(3−x)^6 as local maxima and minima. (I really don't know what to after 56x^6(3-x)^6 + 8x^7 * 6(3-x)^5(-1)
  29. Community Nursing

    I need helpl in determining how to complete this paper Neighborhood hospital ED sees critical capacities by By: G. Johnson
  30. Principles of Public Speaking

    This type of listening is usually needed when we need to make a critical decision about something.
  31. Physics

    What is the critical angle of light traveling from benzene (n=1.501) into air? 40.05o 48.22o 41.78o 62.63o
  32. Life orientation

    Critical ways in wich hiv/aids problem impacts on the community and relevant sources to support
  33. statistics

    Find the indicated critical value. z 0.04 Round to two decimal places as needed. My answer is 1.75 what do guys think.
  34. calculus

    find the location and values of any global extrema of F(x)= x^3-3x^2-9x on the interval [-2,4] (you must show your work by finding critical points
  35. math

    i am thinking of a number between 20 and 50. it is an even number. it has exactly 9 factors. what is the number?
  36. math

    I am thinking of a number. 55 but no more than 45 it is an odd number. The sum of the digits is 12. What is the number?
  37. Art Question

    When children draw cross-sections of plants, they are: 1. intergrating science and art (Or) 2. intergrating mathematics and science Lordy. Surely you have some thinking on this, this question hardly stimulates the cerebral cortex. Did you mean integrating? Intergrating is ...
  38. Math

    Two students are talking after school: What is the average of your grades in Math for September? 4.6 That is impossible since the year just started. You could not possiblly have that many grades. What was the doubting student thinking of of the possible grades teachers give ...
  39. Math

    You choose a head coach and an assistant from a group of 12 applicants. How many different groupings are possible? I know it is either 24 for a double combination of 12 - or I was thinking for number of possibilities it could be 12x11 = 132? Can anyone help me decide what is ...
  40. math

    There are different ways you can break apart arrays to find 6x7. Choose a way that makes sense to you. Draw an array and explain your thinking. Write multiplication sentences to go with your model. Then give the product
  41. MATH

    Expand f(x)=ln (1+x/1-x) in a Taylor Series about x=0. You must express your answer using summation notation. ---This is what I tried to do--- So I was thinking of taking the derivative of ln(1+x/1-x) and get 2/x^2-1 And then use the identity 1/1-x= sum x^k So then it will be ...
  42. critical thinking

    Hi Everyone! Please post a substantive response to the following discussion questions by clicking on Reply: Euphemisms: seek to mute the disagreeable aspects of something or to emphasize its agreeable aspects Advertisers, even the media, will use euphemisms to make unfortunate...
  43. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.
  44. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.
  45. Calculus (pleas help!!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if you are asked to find ...
  46. Calculus (pleas help!!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if you are asked to find ...
  47. Calculus (urgent!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if you are asked to find ...
  48. math

    A straight road up a hill has a slope of 1/4. From the bottom of the hil to the top of the hill, the horizontal change is 80 m. Determine the height of the hill. I'm thinking that it's 80/4 = 20 m.. but I'm not 100% sure.
  49. science

    Hi again. A question about the digestive system. How does the digestive system help the circulation system to function properely? I was thinking that the answer would be that... Because the function of the digestive system is a chemical and physical breakdown of food into ...
  50. social studies

    when north carolina decided to reorganize after the hillsborough convention, what change did they make and why? why were some critical of this decision?
  51. english

    what are some advantages of being your own editor and looking at your paper with a critical eye? What do you gain from this as a writer? How can your essay benefit from this?
  52. 11th grade english

    What is a good thesis statement on the destruction of world due to food we eat for my critical analysis paper?
  53. grammar

    peer editing acamic papers require critical thi nking skills and diplomacy. is it subject verb agreement
  54. Business

    Given y = 4x3 − 48x2 + 5. (a) Find the critical values of the function. (Enter your answers as a comma-separated list
  55. statistics

    For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment, what is the critical value for the F-ratio using α = .05? a. 3.88 b. 3.49 c. 3.74 d. 3.34
  56. Engineering

    What is the critical buckling force that will buckle a 9 foot tall 2 x 4 (K = 1.0)? Please show how to set up the problem and the steps to solve. I do not understand. Thank you.
  57. statistics

    Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.) Ha: ó1 > ó2, with n1 = 7, n2 = 16, and á = 0.05 F=?
  58. physics

    Show that the critical velocity of body revolving in cercular orbit very close to the surface of a planet of radiuis R and meandencity.
  59. Calculus

    The function h(x) = x^3+bx+d has a critical point at (2,-4). Determine the constants b and d and find the equation of h(x). I'm very confused and I do not have any idea on what the first step is.
  60. critical maths problem need help!!!

    show that any fuction y(t)=acosx+bsinx ,satisfied the differential equation y^"+wy=0 and also find the value of (a) and (b)
  61. Calculus

    Find the critical numbers of the function f(x)=2sinx+x that lie in the interval (0,2pi)? I have the answers, but not sure how to display the work.
  62. Cal 3

    Find critical points for f(x,y)= x^3+y^3-15x^2-6xy+18y^2+39x+138y I know you first take the partial derivative of x and y, but I am not sure where to go from there.
  63. Science

    Prior to the detonation of the first atomic bomb, had the scientist been able to prove by theory that the reaction would stop? I assume they did considering they continued with the test. If not, how was Bethe able to calculate the yield of the explosion? It stops because the ...
  64. Calculus

    Hi there,could you help me with the following questions; 1.) Analyze the key features (any asymptotes, intercepts, critical points) and then sketch the graph of the function f(x)= x-0.25/x^2 --> I am unsure about my answers could you tell me if I am correct; Intercepts: x=0...
  65. Math - 6th Grade Integers

    Which number can be inserted in the parentheses to make the statement true? -3 1/4 > ( ) A. -3 B. 2 1/2 C. -1 1/2 D. -5 1/3 I think it'd be -5 1/3 because when you're in the negatives the smaller number (Like -3 1/4 in this case) is actually bigger. And so, I'm thinking -3 ...
  66. Critical Thinking

    Post your response to the following: State your stance on the Terri Schiavo case, and identify the moral value judgment that influenced you to choose your stance. • An example of a stance is, “Terri Schiavo should have been allowed to live, despite her persistent ...
  67. Math

    i am thinking a number the number in the tens is less than the number in ones.
  68. math

    i am thinking of a number twice the number plus 18 results in 20 what is the number
  69. Math - Properties of Logarithm

    Can someone show how to this question. Loga(x+3) + Loga(x-3) = 3 I don't know if I'm typing this correctly the a is the base. So, I'm thinking, Loga((x+3)(x-3)) = 3 (x+3)(x-3) = 3^a x^2 - 9 = 3^a, x^2 = 3^a + 9 x = sqrt(3^a + 9) but now I'm stuck, I don't know how to proceed. ...
  70. CRITICAL THINKING

    From the thirteenth to the sixteenth century, the Inca empire flourished in the Andes Mountains. It maintained an eleven-thousand-mile network of stone-paved roads. -------------------------------------------------------------------------------- 1) Which of the following, if ...
  71. English

    Why does Douglass state that “education and slavery were incompatible with each other”? There wasn’t time for slaves to go to school; they had too much work to do Being educated meant that slaves might question their existence and try to escape <---? Slaves do not ...
  72. math

    Erin is thinking of a 3-digit number.It uses the digits 1,7 and 4.How many numbers can I make that are odd? How many numbers can I make that are even ?Thanks!
  73. math

    Erin is thinking of a 3-digit number.It uses the digits 1,7 and 4.How many numbers can I make that are odd? How many numbers can I make that are even ?Thanks!
  74. Math

    If two trapezoids have the same area, do they always have the same perimeter? Explain your thinking with words and diagrams.
  75. math

    julie is thinking of an even number between 12 and 29 the sum of the digits is the same as the digits in ten place what is julies number
  76. Its math, cmon answer!!!

    This is my HW problem; I'm thinking of a number. When I double my number, subtract five, and then add my original number, I get one. What's my number?
  77. Math

    Jerimiah is thinking of a number which,when multiplied times itself gives you a product of 729. What is Jerimiah's number?
  78. Math

    I am thinking of two number that add to twenty one .one number is 3 more than the other.what are my numbers?
  79. Math

    The sum of two numbers is 48. One number is 24 more than the other number. Find the numbers. My thinking is X=48-24. X=24
  80. Math

    A system of equations is shown below: x + y = 3 2x − y = 6 The x-coordinate of the solution to this system of equations is _____. I'm thinking it could be X=3
  81. math

    Ronnie is thinking of a number. He says that he gets the same result when he multiplies his number by 2 as when he adds 5 to his number. What is the number?
  82. english: critical thinking

    From the thirteenth to the sixteenth century, the Inca empire flourished in the Andes Mountains. It maintained an eleven-thousand-mile network of stone-paved roads. 1) Which of the following, if true, provides the strongest support for an archaeologist’s conclusion that a ...
  83. Critical Thinking

    (1) It is an article of faith among some economists that the significant inventions of the contemporary world are the results of the innovative genius of big business organizations. (2) Yet in the United States, the current trend toward corporate mergers has been accompanied ...
  84. Math

    Math Problem: Find the area of a circle that has a radius of 14 feet. Round your answer to the nearest hundredth. Would someone please check the way I worked this and let me know if I did it correct or not? Thank You A=3.14 (14ft)2 A=3.14 (196) A=615.44 Im thinking I didn't ...
  85. Math

    184 seventh graders are going on a field trip. There needs to be one chaperone for every four students. If a bus can hold 50 people, how many busses will they need for their trip? Explain your thinking.
  86. Math

    Shade in 3/4 of 1/2 of 1/2 of the circle. The question is "What fraction of the circle is shade? I was thinking will be 1/4 This is correct or what will be the answer? Thanks for helping me
  87. math

    fred is thinking of three numbers. if they are added in pairs, the results are 34, 44 and 52. find the three numbers.
  88. math

    Rachael is thinking of a number. She adds 7, multiples by 3, subtracts5, and divides by 2. The result is 29. What is Rachael's number?
  89. 3rd grade math

    Sven is thinking of two numbers. The sum is 12. The difference is 4. What are the two numbers?
  90. Enligsh 30

    Critical/analytical response : Discuss the ideas developed by the text creator about the ways in which individuals pursue or compromise their happiness.
  91. english

    It is not what an author says, but what he or she whispers that is important, what does it mean? what are some short story is connect to this quote that can write a critical lens essay
  92. comp

    What is one important distinction you could not overlook when making a critical evaluation about the Boston Tea Party? Clarify the importance of that distiction.
  93. Calculas

    Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = t sqrt6 − t , t < 13/3 I don't even know how to start out!
  94. Statistics

    What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
  95. Statistics

    What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
  96. Stats

    What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
  97. Statistics

    Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.) Ha: ó1 > ó2, with n1 = 13, n2 = 8, and á = 0.025 F=
  98. physics(optics)

    The critical angle between an equilateral prism and air is 45 degrees.if the incident ray is perpendicular to the refracting surface,then what happens?
  99. Calculus

    For the following function, find the relative max's or min's using any method. I'm having a hard time finding the critical points...
  100. Econ stats

    Consider the following data: 23 17 20 29 21 14 19 24 Develop and test a hypothesis to determine if the variance is greater than 4. Use the critical value approach and α = 0.05
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