# Critical Thinking/Math

9,810 results, page 9
1. ## bridge

Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to

asked by Summer on September 6, 2016
2. ## intermediate algebra

inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or

asked by sean on March 15, 2017
3. ## 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
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 14, 2013

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
6. ## 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
7. ## 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
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. ## 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
11. ## 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
12. ## 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
13. ## 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 18, 2016
14. ## 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
15. ## Calculus

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

asked by Anonymous on November 16, 2016
16. ## calculus

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

asked by Denzel on November 4, 2010
17. ## Physics

What is the critical angle of benzene is 1.5

asked by Nayeem on September 26, 2016
18. ## Statistic

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

asked by Denise on April 17, 2016
19. ## Calculus

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

asked by Anon on December 8, 2014
20. ## maths

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

asked by thila29 on September 4, 2011
21. ## 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
22. ## math

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

asked by Annie on June 25, 2013
23. ## Math

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

asked by pypski on December 14, 2016
24. ## Math

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

asked by jonh on March 7, 2013
25. ## calculus

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

asked by Denzel on October 24, 2010
26. ## precalc graph

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

asked by Deb on October 1, 2012
27. ## calculus

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

asked by Zel on October 25, 2010
28. ## 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
29. ## Calc Derivatives

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

asked by Isabella on March 5, 2016
30. ## 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
31. ## Optics

How to find critical angle using n?

asked by Terry on November 2, 2014
32. ## English

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

asked by Samantha on December 3, 2013
33. ## math

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

asked by Henry on February 3, 2015
34. ## math-calc

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

asked by mkcolema on March 13, 2009
35. ## Calculus

6x-4cos(3X)Critical Numbers

asked by Anonymous on December 18, 2011
36. ## statistics

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

asked by scott on May 12, 2011
37. ## calculus

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

asked by diana on December 9, 2011
38. ## calculus

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

asked by pinki on November 30, 2010
39. ## statistics

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

asked by scott on May 12, 2011
40. ## calculus

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

asked by beth on December 7, 2015
41. ## Statistics

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

asked by tyler on November 20, 2015
42. ## Calculus

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

asked by Anonymous on February 10, 2013
43. ## 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
44. ## 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
45. ## 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 20, 2009
46. ## 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
47. ## 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
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. ## 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
50. ## 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 13, 2010
51. ## 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
52. ## 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
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. ## 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
55. ## 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 23, 2007
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. ## 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 13, 2014
58. ## 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
59. ## 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 13, 2007
60. ## 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
61. ## 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
62. ## 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
63. ## 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
64. ## 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
65. ## 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
66. ## 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
67. ## 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
68. ## 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
69. ## calculus

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

asked by Alessandra Romano on October 31, 2014
70. ## calc

find the critical no's/ points in (X^-2)(lnx)

asked by Mia on March 28, 2010
71. ## Calculus

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

asked by Iain on December 11, 2011
72. ## math

Find the critical numbers of the function f(x) = x^{1/4}-x^{-3/4}.

asked by Leah on October 25, 2014
73. ## 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
74. ## calculus

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

asked by Zel on October 25, 2010
75. ## calculus

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

asked by Jasmine on July 8, 2012
76. ## Calculus

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

asked by Sally on October 31, 2007

Find all the critical numbers for the following function. F(x) = (16 - x^2)^(3/5)

asked by Jordan on January 18, 2012
78. ## Calculus

Find the Critical Numbers? 1.) f(x) = 2x^3 + 3x^2 + 36x x=? 2.) g(t) = |5t − 4| t=?

asked by John on October 20, 2011
79. ## critical numbers

How would I find the critical numbers of f'(x)=(x-3)^3(x+4)(x^2+1)? The answer is x=-4, x=3

asked by Sara on April 27, 2015
80. ## Calculus 1

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

asked by Tina P on December 2, 2010
81. ## AP Calculus

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

asked by Sandy on February 8, 2011
82. ## calculus

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

asked by Zel on October 24, 2010
83. ## english

critical essay on phenomenal woman

asked by Anonymous on March 15, 2010
84. ## pre calc

Find the critical number of the function. g(t) = | 6t - 9 | t =

asked by alison on March 13, 2011
85. ## 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 27, 2007
86. ## Math

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

asked by Ishmael on November 14, 2012
87. ## 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
88. ## Math

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

asked by Eileen on July 18, 2010
89. ## Calculus

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

asked by Jan on October 13, 2013
90. ## critical thinking

have a critical spirit means one is a cynic

asked by Anonymous on March 6, 2011
91. ## Physicis

What is critical angle of refractive index is 1.5

asked by Sai on September 26, 2016
92. ## Cal

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

asked by Dee on April 3, 2013
93. ## Calculus

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

asked by Nick on November 9, 2012
94. ## Physics

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

asked by Evans on August 15, 2018
95. ## Compensation and Benefits

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

asked by Anonymous on May 19, 2013
96. ## calculus

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

asked by henry on November 19, 2008
97. ## statistics

do we need to calculate z in order to use the critical value like we did when we calculated the p value?

asked by Help on January 20, 2014
98. ## Calculus 1

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

asked by TayB on October 23, 2015
99. ## math

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

asked by Heaven on April 17, 2011
100. ## calculas

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

asked by jenny on November 5, 2009