Critical Thinking/Math

9,778 results, page 9
  1. 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

    asked by Anonymous on January 12, 2015
  2. Heeeeeeeelp

    Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w –

    asked by Myya on September 15, 2013
  3. Math--time

    how do u add and subtract time.... ex. Math class is dismissed at 2:20pm ,It is now 1:53pm how many more minutes before math class is dismissed. It is a subtraction, but remember each hour is 60 min. 2:20 - 1:53 but you cant subtract 53 from 20, so you

    asked by Aleeyah on August 29, 2005
  4. math

    Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 *

    asked by Anonymous on May 16, 2013
  5. math

    Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 *

    asked by Anonymous on May 14, 2013
  6. 3rd grade

    math to endure the heat,firefighters wear protective gear that weighs about 40 pounds.If a suited-up firefighter weighs 220 pounds,how can you use mental math to find the firefighters weight without the gear?

    asked by trinity on September 23, 2008
  7. math

    Ben can complete 4 math problems in 20 minutes. If he continues working at the same rate, how long will it take Ben to complete 17 math problems?

    asked by HELP on April 5, 2011
  8. math

    Ben can complete 3 math problems in 20 minutes. If he continues working at the same rate, how long will it take Ben to complete 15 math problems?

    asked by Anonymous on January 26, 2011
  9. math

    Ben can complete 3 math problems in 21 minutes. If he continues working at the same rate, how long will it take Ben to complete 16 math problems? thanks .

    asked by Imani on March 13, 2011
  10. english

    The world we have created Read the saying by Albert Einstein. How do you understand its meaning? Write 100-120 words of explanation. You may also refer to what the other participants write and agree or disagree with their opinion. You may score up to 15

    asked by kate on January 8, 2016
  11. math

    luke is thinking of two numbers whose sum is 14 and whose difference is 6. what numbers is luke thinking of?

    asked by Ron on January 2, 2012
  12. Calculus

    Consider the function g(x) = sinxcosx. a. Find an equation of the tangent line to the graph of g at (pi/3, sqrt3/4). b. Find the critical number(s) of g on the interval [0, 2pi]. Does the function have a relative minimum, relative maximum, or neither at

    asked by Anonymous on November 19, 2016
  13. Math

    14. When the teachers were talking one day in the workroom one math teacher said she had 2^7 students in all her classes and the pe teacher said he has 6^3 students in all his classes. How many more students does the pe teacher have than the math? A.6 B.47

    asked by Jerald on September 16, 2013
  14. LAnguage arts

    Are these correct Neither Jake nor Sue gets seasick. Are Jake and they ready with their math project? Every one of the students I spoke to said he/she liked his/her math class. If a person loses his/her jacket, he/she can check the lost and found. Each of

    asked by caroline on December 21, 2009
  15. Statistics

    13.19 (a) Generate a correlation matrix for your predictors. Round the results to three decimal places. (b) Based on the correlation matrix, is collinearity a problem? What rules of thumb (if any) are you using? Correlation Matrix F O E A F Floor 1.000

    asked by Pat on October 4, 2010
  16. Critical Thinking Week 7 Appendix 7 Fallaciese

    I think that Item 15..."I’ve heard that it’s better to not eat cheeseburgers every day, but it’s extra protein and protein is good for you." is wishful thinking and I think that number 2 "On a radio ad: “Have you been fatigued, irritable, moody? If

    asked by oldie on December 31, 2011
  17. HELP MATH

    lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the

    asked by Anonymous on January 6, 2011
  18. statistics

    What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?

    asked by Lisa on November 30, 2011
  19. Statistics

    What critical value for z would be used to test the hypotheses: H0:μ≤10 and Ha:μ>10, for α = 0.05 ?

    asked by Karina on July 1, 2013
  20. calculus

    Find all critical numbers: x^(1/3)-x^(-2/3)?

    asked by Zel on October 26, 2010
  21. math

    What are the critical values on the graph of y = x^3 - 6x^2 + 9x + 3?

    asked by Henry on February 3, 2015
  22. Physics

    What is the critical angle of benzene is 1.5

    asked by Nayeem on September 27, 2016
  23. Statistics

    Find the critical value za/2 that corresponds to a=0.12.

    asked by tyler on November 20, 2015
  24. maths

    let f(x,y)=Y^2+xy-x^2-5y+2. find the critical point

    asked by thila29 on September 4, 2011
  25. calculus

    Find all critical numbers: (x^2+12)(9-x^2)?

    asked by Denzel on November 5, 2010
  26. Calculus

    Find critical points for y'=2/3x^3-4x

    asked by Anon on December 9, 2014
  27. Calculus-derivatives

    f(x) = (x-1)^(2/3)*(x+3) What are the critical numbers? the derivative would be =2/3(x-1)^(-1/3)(x+3) + (x-1)^2/3 What do I do next?

    asked by Melinda on February 29, 2012
  28. precalc graph

    If it says to identify 5 critical points what would that be?

    asked by Deb on October 1, 2012
  29. Statistic

    If p=.0059538866 critical value is 3.72 is p greater than cv

    asked by Denise on April 17, 2016
  30. math-calc

    f(x)=(5x-4)e^2x How do you find the one critical number??

    asked by mkcolema on March 14, 2009
  31. Optics

    How to find critical angle using n?

    asked by Terry on November 3, 2014
  32. Calculus

    If c is a critical value of the function f(x) then evaluate f(c)

    asked by Anonymous on February 11, 2013
  33. math

    find the critical points of h(t) = (t^2-4)^(1/3)

    asked by Annie on June 25, 2013
  34. Calc Derivatives

    Find the critical points of (4x-3)/(3x^(1/2))

    asked by Isabella on March 5, 2016
  35. Math

    f(x)=√(x)(x-4) find the critical number

    asked by jonh on March 7, 2013
  36. calculus

    find all critical points of f(x) = x^4 – 4x^3 + 4x^2

    asked by pinki on November 30, 2010
  37. statistics

    what is the critical value of this statistic z=1.64 at 0.05 significance?

    asked by scott on May 12, 2011
  38. calculus

    Find the critical number of g(t)=(t^2)/(5t+4)

    asked by diana on December 10, 2011
  39. calculus

    xe^(4x) List all the critical numbers:

    asked by Denzel on October 24, 2010
  40. Critical Points???

    How many critical points does the function f(x)=((x −1)^6) ((x + 5)^7) have?

    asked by SERA on June 5, 2012
  41. calculus

    Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.

    asked by beth on December 8, 2015
  42. Calculus

    6x-4cos(3X)Critical Numbers

    asked by Anonymous on December 18, 2011
  43. Calculus

    How many critical points does the function f(x) = e^x - x^3 have?

    asked by Anonymous on November 16, 2016
  44. Math

    How many critical values does the function f(x) = 3x^4 + 4x^3 have?

    asked by pypski on December 15, 2016
  45. statistics

    what is the critical value of this statistic at 0.05 significance.....z=1.64

    asked by scott on May 12, 2011
  46. English

    What does it mean to be a "critical reader?" Why is this important?

    asked by Samantha on December 3, 2013
  47. English

    1. Do you quietly think so? 2. Do you really think so? 3. Do you easily think so? 4. Do you finally think so? 5. He solved the math problem very quietly. 6. He solved the math problem very really. 7. He solved the math problem very easily. 8. He solved the

    asked by rfvv on March 9, 2016
  48. Statistic

    11.5 Consider an experiment with four groups with eighth values in each. For the following ANOVA summary table, fill in all the missing results. Source Degree of freedom Sum of Square Mean Square(Variance) F

    asked by GG on October 21, 2010
  49. chemistry

    if i have a 21% solution of a product, and i need to make it a 9% solution of the same product what do i do? i am trying to dilute a product that is 21% to a 9% soultion so it can safety be used on cats. i know what to dilute it with, but i do not know how

    asked by michele on January 19, 2016
  50. Math

    Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir

    asked by Unknown on March 27, 2013
  51. Speeches

    I have to write/ present a speech to become treasurer for my 7th grade class... things i know: I am in accerated math I am responsible I was a representative in Student Council last year I am not certain how accelerated math is helpful in the position of

    asked by Cass on September 16, 2006
  52. statistics

    Use the method specified to perform the hypothesis test for the population mean µ. The highest acceptable level of pesticide found in quail has been limited to 0.35 parts per million (ppm). A hunting organization measured the level of the pesticide found

    asked by looking for someone to varify my work please on April 14, 2010
  53. Maths I NEED AN ANSWER ! THE 6 IS ALL I KNOW!!!

    Angel is thinking of a number. All its digit are even numbers. The sum of its digit is 18. The digit 6 stands for sixty. The smallest of the three digits is in the tenths place. The greatest of the three digit is in the ones place. What number is Angel

    asked by Donna on August 8, 2015
  54. algebra1

    I will be happy to critique your thinking. can u use one of them and show me how to solve it and i'll do the rest? like i don't know how to do these and i need to know how. assume that Q varied directly as x and inversely as y. 1) if x is tripled and y is

    asked by bobpursley on May 24, 2007
  55. program planning

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A. Math and science B. Social studies and science C. Cooking and math D. Social studies and cooking 

    asked by amanda on October 14, 2014
  56. Math

    Johnny spent 4 2/3 for his exams studying for his math exams. He spent 3/4 of the time studying for math. How many hours did Johnny spend stydying for his exam? How do I show the number sentence?

    asked by Alexa on November 2, 2015
  57. Childhood Education

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking

    asked by Rosa on October 26, 2009
  58. Chemistry

    2. You have a sugar solution (solution A) with concentration x. You pour one-fourth of this solution into a beaker, and add an equivalent volume of water (solution B). a) What is the ratio of sugar in solutions A and B? b) Compare the volumes of soutions A

    asked by Jon on January 14, 2007
  59. Geometry

    Arpit is thinking of a 2-digit number where the tens digit is twice the ones digit. How many different numbers can Arpit be thinking of?

    asked by Andy on April 11, 2013
  60. 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

    asked by Kayla on December 10, 2015
  61. Statistics

    Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The teacher decides to conduct a test

    asked by Oops on October 26, 2012
  62. Stats Repost

    Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The teacher decides to conduct a test

    asked by Oops on December 17, 2012
  63. English

    I'm writing a comparison paper on artworks and I'm just thinking either to write about two women painting (European/modern women) OR two churches Gothic/Romanesque). Which one do you think will have more visual/background information? I was thinking to

    asked by Katie on April 1, 2013
  64. ma

    In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many

    asked by Anonymous on September 7, 2016
  65. English

    1. They elected the girl captain of the team. 1-2. They elected the girl the captain of the team. (Which one is correct? Do we have to use 'the'?) 2. Is the opposite of 'guilty' 'innocent'? What about 'unguilty' or 'inguilty'? 3. Is 'barber' sometimes

    asked by John on March 20, 2009
  66. school

    1) A great way to teach math is through children's everyday experiences. Answer:True 2) Children can use words they have never had experience with or heard before. Answer:False 3) Children with limited experiences have limited language ability with regard

    asked by Anonymous on August 6, 2017
  67. Algebra

    In a class of 60 students, 4/5 are members of Math Club. Among the members, 3/5 are girls. How many boys are members of Math Club?

    asked by Jm on August 11, 2016
  68. English

    1. Math is complex but useful. 2. Math is complicated but useful. (Are both okay? Which syllable is stressed in 'complex'? First syllable or second syllable? There seem to be two ways in the dictionary.)

    asked by rfvv on March 16, 2017
  69. english

    can anyone help me with providing an explanation for each of the correct answers Subject-verb agreement A 1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights

    asked by Anonymous on July 25, 2008
  70. Math

    Sorry if this is a lot of questions but What do you hear when you hear the word math? What do you believe when you hear the word math? What do you think when you hear the word math?

    asked by autumn on September 2, 2014
  71. Statistics

    For questions 1-5, write the null and alternative hypothesis. 1. Does the water temperature have an effect on the number of people in the pool? 2. Does the weather have an effect on the number of people at the beach? 3. A fitness center is running a

    asked by Cam on May 3, 2013
  72. Math

    Find the critical numbers of the function s(t)=3t^4+4t^3-6^2

    asked by Eileen on July 18, 2010
  73. AP Calculus

    Determine the critical numbers for y=sq root of (x^2 - 2x -15)

    asked by Sandy on February 8, 2011
  74. calculus

    Suppose the function f(x)=2x^3+ax^2+bx has a critical point at x=−1, for which f(−1)=−2. What is a, b?

    asked by ana. on October 6, 2010
  75. critical thinking

    have a critical spirit means one is a cynic

    asked by Anonymous on March 6, 2011
  76. Calculus 1

    find the critical numbers of the function F(x)=x^(4/5)(x-1)^2

    asked by TayB on October 23, 2015
  77. calculas

    The function f(x)= (8x-7)e^2x has one critical number. Find it

    asked by jenny on November 5, 2009
  78. Calculus 1

    Find the critical numbers of the function. f(x) = x^4*e^-8x

    asked by Tina P on December 3, 2010
  79. Physics

    what is the critical angle for light passing from(n=1.54) to (n=1.33)

    asked by Evans on August 15, 2018
  80. Calculus

    Find the critical numbers of the function f(x)=x^1/6−x^−5/6.

    asked by Hailey on October 20, 2014
  81. calculus

    9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3

    asked by Hailey on October 20, 2014
  82. Cal

    Find the critical number of the function. g(t) = | 4t - 9 |

    asked by Dee on April 3, 2013
  83. Calculus

    Find the critical numbers of y=x(4-x)^1/2. The answer is x=8/3 but I got x=7/2.

    asked by Elizabeth on July 11, 2012
  84. Calculus

    The critical number of the function f(x)=6xlnx is x=

    asked by Nick on November 9, 2012
  85. calculus

    What are the critical numbers of the function: s(t)=3t^4+12t^3-6t^2

    asked by Jasmine on July 9, 2012
  86. Physicis

    What is critical angle of refractive index is 1.5

    asked by Sai on September 26, 2016
  87. Calculus

    Find the critical numbers of the function. h(t)=t^3/4-6^1/4

    asked by Jan on October 14, 2013
  88. Calculus

    What are the critical numbers of the function: f(x)=2x^3-3x^2-36x+14 Thanks

    asked by Iain on December 12, 2011
  89. Math

    whay is the critical number of the fuction G(x)=2x+5

    asked by Ishmael on November 14, 2012
  90. algebra 2

    This is a critical question.. Why does y=3 represent a function,but x=3 does not...

    asked by logan on August 27, 2007
  91. calculus

    Find all critical numbers: 2x*sqrt(3x^2+4)?

    asked by Zel on October 25, 2010
  92. calculus

    2x*sqrt(3x^2+4) Find all critical numbers:

    asked by Zel on October 24, 2010
  93. Please bobpursley help.algebra 2

    This is a critical question.. Why does y=3 represent a function and x=3 does not

    asked by logan on August 28, 2007
  94. Calculus

    Problem 49. Find the critical values f(x) = (4x^2 - 9) / x

    asked by Sally on October 31, 2007
  95. calculus

    The function f(x) = (7 x+9)e^{-2 x} has one critical number. Find it.

    asked by Alessandra Romano on November 1, 2014
  96. Compensation and Benefits

    Which one of the following characteristics is not critical in defining a team

    asked by Anonymous on May 20, 2013
  97. math

    What is the critical z used to form a 85% confidence interval?

    asked by Heaven on April 17, 2011
  98. calculus

    find the critical numbers of the function 2t^(2/3)+t^(5/3)

    asked by henry on November 20, 2008
  99. english

    critical essay on phenomenal woman

    asked by Anonymous on March 15, 2010
  100. Calculus

    find the critical numbers of the function: h(p)=p-1/p^2+4

    asked by Debbie on October 17, 2011