# Critical Thinking/Math

9,744 results, page 36
1. ## algebra

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

asked by cindy on February 21, 2013
2. ## arithmetic

I got 102 questions right out of 150 on a math test. What percentage did I get on theis test?

asked by Emily on September 23, 2010
3. ## Math

Hello, I need help to understand step by step of my math problem. I am not understanding how to get the answer. Thank You for your help Hope

asked by Hope on April 10, 2012
4. ## math

this is a math riddle that i can't do so please help i am a fraction eguivalent to 2/4 the sum of my numerator and my denominator is 21 what fraction am i here it is help me please's

asked by 5 grade on November 29, 2011
5. ## Math, Please help!

I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)

asked by Cait on May 20, 2013
6. ## math

In a class of 40 students, 27 like math and 25 like filipino. At most how many students do not like at least one of these subject? (With solution pls...thanks....)

asked by HELP HELP HELP MNHS on January 23, 2013
7. ## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

asked by Jacob on April 15, 2011
8. ## Math

I have two math problems I need help with- Percent proportions 1. 62% of 146 is what number? 2. 18.4% of 880 is what number?

asked by Anonymous on March 3, 2014
9. ## algebra

Could you show me how to do these math systems and show your work so i understand how to do them. 1) 3x+2y+4z=19 2x-y+z=3 6x+7y-z=17 2) 5x+8y+6z=14 2x+5y+z=12 -3x+6y-12z=20 3) x^2+2xy-2y^2=-11 x^2+xy-2y^2=-9

asked by hal on April 8, 2013
10. ## math

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

asked by lesi on February 21, 2013
11. ## Math

I need to get which property of multi-plication this person did. the problem is 2(3.45+5.7)=.402 but I got 18.3. HOW?!??!?! I did my math I did every property I could think of/

asked by Grant on March 1, 2017
12. ## Science

Steve finds the mass and volume of three different objects. With only this information and a little math, what can he also know about the objects?

asked by Nicole on February 22, 2011
13. ## PGMNHS

Math Adeng is thrice as old as Bugs. If the difference of their ages is twice the age of Adeng, how old are they?

asked by Jam on November 4, 2015
14. ## mathematics

Need help with this math problem please. Work need to be show but I have no idea how to complete the problem. (-4)3 (the 3 is an exponent) Thanks for your help

asked by chasity on August 29, 2010
15. ## Trigonometry

Let's solve this fun trigonometric fun math problem! 1.) SEC²X-1/SIN²X

asked by AwesomeGuy on February 10, 2013
16. ## Calculus

Find the linearization of f(x)= sqrtx at x=25 and use the linearization to approximate sqrt25.2 This is my math: 5+ 1/10 * (25.2-25) but it's wrong.

asked by Z32 on September 28, 2009
17. ## math

Samantha has an average of 92% on tree math test. If one of her grades was 84% and the other is 93%, what was the grade of her third test?

asked by Lois on March 28, 2011
18. ## math

there are 18 boys and 12 girls in a math class. what is the ratio of "girls" to total students.

asked by zero on June 2, 2016
19. ## math

can I plz have the answers to the math 7 unit 8 lesson 13 geometry unit test thanks :-)

asked by Gollum on March 12, 2018
20. ## chemistry

what is molarity of H2SO4 solution containing .12 moles acid per 75 mL solution? please show math

asked by kaet on November 11, 2009
21. ## math

what type of math problems exemplify the different purposes of variable, and in what way do these different uses of variable can be confusing?

asked by sandra on November 30, 2010
22. ## Math, Please help!

I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)

asked by Cait on May 20, 2013
23. ## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

asked by Jacob on April 15, 2011
24. ## Math

8th Grade Math 180degrees - (125degrees+38 degrees) = x degrees how do i solve this ?

asked by Brianna on August 11, 2016
25. ## absolute maximum

absolute maximum of (x^2-4)/(x^2+4) the critical numbers i got was x=0,-2.59, and 3.09 the absolute minimum is f(0)=-1 what is the absolute maximum: is it both f(-4)=(f(4))=.6? or can there only be one

asked by julie on October 29, 2007
26. ## 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

asked by Kazuto on September 10, 2015
27. ## IT

Where would you find an address book on email? Archive - Would be old data files. Inbox - Like your mailbox. Insert - Command Tools - Control panel type. I'm thinking A but I am absolutely not sure, final for my course. They are all stupid answers, but

asked by Anonymous on November 19, 2015
28. ## 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

asked by tricica on September 28, 2010
29. ## Physics

Standing at the edge of a cliff 240 m tall. You throw a ball into the air one directly upward at 5 m/a and another downward at -5 m/s. Use conservation energy to show that they will have the same speed at the bottom. I know I have to do it twice.. And it

asked by Michelle on April 11, 2014
30. ## teacher aide

In a regular school setting, learning challenged children are A always placed in classes with the mentally retarded B usually determined to be below average in intelligence C usually taught best in a resource room D never allowed to exert themselves in

asked by Sam on May 17, 2011
31. ## children growing up

a famous quotation on child development attributed to the Jesuits most emphasizes the importance of a.early childhood experiences b.adult supervision c.religious indortrination d.role models I know that letter c is wrong so im thinking it a

asked by susue on August 1, 2013
32. ## 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

asked by Marylyn on November 3, 2014
33. ## Literature

Which of these statements includes details about setting? A. A new student in school wants desperately to make friends. B. You can get satisfaction from trying, even if you do not succeed. C. The Great Depression had put half of the town out of work. D.

asked by Alexa on October 8, 2014
34. ## english/quote

"human beings in their thinking, feeling and acting are not free but are as casually bound as the stars in thier motions." -Albert Einstein ok i was wondering what this means...maybe that humans follow a certain path of the people before them? idk please

asked by chelsea on November 14, 2007
35. ## Science

In no more than three sentences I must state the "Hubble relationship" in words AND quantify numerically what it says about the "speed of recession" of distant galaxies (i am to include a definition of the "unit one parsec" in this 3-sentence answer) - CAN

asked by Dayle on February 11, 2007
36. ## Math

My Math questions are: Find 1/10 of 1/100 of a meter = 1/10 meters. Find 1/60 of 1/60 of an hour = 1hour Am I correct. Thanks

asked by Americal on October 7, 2013
37. ## Math (Function differentiable)

Determine whether the function is differentiable at x=2 x^2+1 for x2 I did the math for the limits of both equations and they both approach to 4. So that means they are differentiable right?

asked by Ray on October 20, 2016
38. ## Math!

Find the sum of the seix even multiples of 18 starting from 36 six* Sum= 18 (2 + 4 + 6 + 8 + 10 + 12)= =18*2(1 +2 + 3 + 4 + 5 + 6) =36(21)= 36*20 + 36 = 720 + 36= 756 check my math.

asked by jake p on April 8, 2007
39. ## Statistics

The scores for math test #3 were normally distributed. If 15 students had a mean score of 74.8% and a standard deviation of 7.57, how many students scored above an 85%?

asked by Lisa on August 22, 2014
40. ## Math

Kody has currently has an average of 80 in his math class. What must he make on his midterm, that counts 20% of his grade, to maintain a 70 or above average?

asked by Anonymous on September 29, 2016
41. ## to Math Mate

I posted a response down below to Math Mates comment I posted this because I was afraied nobody would see it...my physics lab thanks oncce again

asked by to Math Mate on June 1, 2009
42. ## Math- Combinations

A math department is allowed to tenure 4 of 19 eligible teachers. In how many ways can the selection for tenure be made? n!/(n-r)!r! = 4!/-15!19!

asked by Alexis on November 19, 2014
43. ## math

suppose 3 students change their vote from math to science .describe how the frequency table would change

asked by j on October 9, 2013
44. ## math

I NEED HELP QUICK PLEASE!!!!!!!!!!!!!!!!!!!! Lesson 8: Misleading Graphs and Statistics CE 2015 Math 6 A Unit 3: Data and Graphs if you help me i help you

asked by kubhbh on October 25, 2018
45. ## math and physics

keepandshare[dot]com/doc16/727/math-pdf-99k?da=y *replace all [dot] with a period --> .

asked by Richard Miguel on November 19, 2013
46. ## Math Help

Math unit test. (1) write the fraction 1/8 as a percent. round to the nearest hundredth of a percent where necessary. 12.50% 37.50%**** 62.50% 80.00%

asked by Jimmy on December 15, 2016
47. ## 4th grade math

My math problem is Round each number to the place of the underlined digit. 2,399,001 and the nine beside the three is underlined.

asked by Tracy on September 17, 2008
48. ## Math

Which example is a function and which is not? Explain why. 1. Each student takes a selection of art classes. 2. Each student is placed in a math class. Please Help!! Thank You so much!!

asked by Happy Face! on February 12, 2009
49. ## computer keyboard

What does this ^ symbol mean in algebra or basic math. It means an exponent follows: 2^3 means two cubed, or 2*2*2 or 8. Thankyou Bobpursley

asked by Tammy Evert on July 26, 2006
50. ## Math

Which example is a function and which is not? Explain why. 1. Each student takes a selection of art classes. 2. Each student is placed in a math class. Please Help!! Thank You so much!!

asked by ~{HAPPY FACE!!}~ on February 12, 2009
51. ## Algebra

math test scores are 68 ,78,90and 91 what is the lowest score you can earn on the next test and still achieve an average of at least 85

asked by Adiba on August 8, 2014
52. ## Math

Dear Reader, Can you help me with my math problem on my homework please? There is nobody at my house who can help me yet. So when you get the chance can you help me with my problem? Thanks for reading. From, Portia1214

asked by Portia on March 8, 2012
53. ## math

how to construct a quadrilateral MATH where MT bisects M. AH is perpendicular bisector of MT. M is 60 degrees. A is 120 degrees. MH is 8cm

asked by Roch on July 27, 2015
54. ## marketing

List three questions a marketing manager might want to ask. Then, provide answers, incorporating marketing math concepts.

asked by Tasha on August 14, 2010
55. ## algebra

i have got a lot of math problems to do...if you can just help me with 3 of these problems...i could do the rest...thank you so much!! factor each expression::: 1. 20xy 2. 36g^2h^2 3. 44m^2n

asked by savannah on August 18, 2010
56. ## math

talk math explain how you can tell without dividing a 3-digit number divided by a 1-digit will have a quotient of 2 or 3 digits.

asked by stephanie on September 22, 2011
57. ## Math

The class average on a math quiz was 74 and the standard deviation was 6.8. Find the z-score for a test score of 82.

asked by Sally on December 13, 2009
58. ## math

Use symbolic Math symbolic representation: 1. The # of birds in a population equals the nbr of females plus the # of males.

asked by Kay on September 9, 2010
59. ## Math

How do you write Rotation, Translation, and Rotational Symmetry in math. For example, reflection is written : a reflection in line l is indicated by ML.

asked by Jackie on December 8, 2009
60. ## math

if a math rpoblem says that a square is worth 2cm, and they want you to find the area of 6 squares how are they using the term "worth"?

asked by Yolanda on March 30, 2012
61. ## math

in probability math what instances in real life can i apply this lesson? enumerate and discuss three instances

asked by value on January 12, 2017
62. ## math

On a recent math test, monique earned an 85%. Which value represnts the amount monique did not answer correctly?

asked by anonymus on April 7, 2014
63. ## Statistic

We thought if we each post a question you would answer our question. This is not a game we need help for our statistics math course before Monday day

asked by Jenn on November 29, 2015
64. ## Computer/Math

Okay, we are doing this Math Excel thing...and it's asking me about the feild name i would use for something... what is the feild name? Is is the subject you put at the top of the row? Or is an option...please help me a.s.a.p someone!!

asked by Dawn on December 19, 2007
65. ## statistics

The scores for math test #3 were normally distributed. If 15 students had a mean score of 74.8% and a standard deviation of 7.57, how many students scored above an 85%?

asked by ann on December 11, 2014
66. ## Math

What is the mathematical significance of time? I have calculus and E=Mc2 down. It sounds really fancy but it's really "Why is Time important in Math?". Please help me D= Thank you~ ^.^

asked by emileh on January 19, 2009
67. ## Business math

Im trying to figure out how to find the equaton for the brokerage fee. Ive looked everywhere in my math book but i cant figure it out. Please help.

asked by Jasmine on April 29, 2009
68. ## Calculus

If anyone can please help me solve this math problem! PLEASE!! Here is the link: img63.imageshack.us/img63/9355/img0002gp.jpg

asked by Paul on July 22, 2010
69. ## math

i have a question in math (( distance between two points )) the vertices of a right triangle are S(-2,-2), T(10,-2), and R(4,5). find the area of the triangle. please in detales .. thank u

asked by mota on November 9, 2007
70. ## How to calculate marks to pass with the exam

My friend has currently 62.4% and the final exam is worth 30%. She's wondering how much she should get on the exam to at least pass or boost it up. Please show the math :o

asked by Anonymous on January 23, 2011
71. ## Psychology

What is the difference between absolute continuity and differential continuity? Search does not help as it deals with math not the psychology side. Thanks

asked by Julie on February 9, 2009
72. ## Convert fraction decimal and percent

On Friday math test. will missed 5 problems out of 25. If each problem was equally weighted, what was will's grade on the test? A. 20% b. 75% c. 80% d. 85%

asked by Anonymous on March 25, 2014
73. ## Math

N is a variable and everytime a scouts sales a box they get back 0.64\$and N is a variable so what's the algebraic expression for this one in math

asked by Malia on December 15, 2015
74. ## French

In French, how do you say "The ost useful subject is science? I need to know how to say the science part..is it plural, like math, and is it masculine or feminine?

asked by Angie on May 1, 2009
75. ## Math

To solve a math problem for homework Carrie needed to find the total of 2 3/4 6.00 and 3 4/5 What should Carrie have gotten as an answer? 7.55?

asked by Jerald on November 10, 2012
76. ## Math

Suppose 3 student change their vote from math to science describe how the frequency gable would change

asked by Tinoi on February 11, 2017
77. ## business

A colleague, an amateur pilot, shows up at a critical meeting with some Japanese executives wearing a tie adorned with pictures of a P51D Mustang escorting a B-29 Superfortress (the Mustang is a World War II fighter and the Superfortress is the type of

asked by maggie on November 28, 2010
78. ## International Business

For many global companies, China represents a very attractive market in terms of size and growth rate. Yet, it ranks lower in terms of economic freedom and higher in political risk than other country markets because it has a communist government. Despite

asked by AJ on March 7, 2007
79. ## stats

scores on the SAT critical reading test in 2013 follow a normal distribution with a mean score of 496 and a standard deviation of 115. what proportion of scores are higher thzn 530? what proportin of scores are between 400 and 500? the highest 10% of

asked by breana on January 31, 2017
80. ## English

Can somebody help me because this makes no sense? (Roman Armor) is important (or critical or paramount) to a complete understanding of (Roman History) because it (shows us how Roman troops protected themselves). It relates to (Romans) in that it reveals

asked by Mario Garcia on May 17, 2013
81. ## Calculus - PLEASE HELP!!

For any real number x there is a unique integer n such that n≤x

asked by Lucy on November 17, 2014
82. ## statistics

for a hypothesis comparing two population means, what is the critical value for a one-tailed hypothesis test, using a 5percent level of significance level, with both sample sizes equal to 13? the standard deviations for the samples are 5 and 7. assume the

asked by marsha on April 29, 2014
83. ## math

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a

asked by Please help on February 28, 2013
84. ## Calculus-Function

sketch the graph of a function in neighborhood x=2 that satisfies these conditions f(2)=3 f'(2)=2 f"(2)=-1 you can find a specific function that satisfies all of the given conditions i know the first derivative gives you critical points, and second

asked by Liliana on April 29, 2013
85. ## Ap calc

Consider the function h(x) = a(-2x+1)^5-b, where a doesn't equal 0 and b doesn't equal 0 are constants. A. Find h'(x) and h"(x) B. show that h is monotonic ( that is, that either h always increases or remains constant or h always decreases or remains

asked by James on February 18, 2013
86. ## Science

Benefits of Insect birth control through sterilization What is your thinking on this? What you are dealing with is population control...and the technology (genetic mutation, dispersion, etc)to achieve it.I will be happy to critique your thinking on this.

asked by Lisa on July 3, 2007
87. ## Music Question

which would NOT be a compelling reason for teaching music? 1. Musical intelligence is an aspect of intelligence or 2. Parents expect schools to teach music Wouldn't it be number 2? There are cognitive and non cognitive aspects of intelligence. The

asked by Chrissy on April 2, 2007
88. ## the subject with numbers

Julie is paid a comission of 3% on all sales. Last week, she earned \$82.74. What were her total sales? How do you solve this math question? Please and Thank you!

asked by Ryan on November 10, 2008
89. ## math

Which option best explains the sentence below in math terms? The Earth is covered by 30 percent land and 70 percent water.

asked by Anonymous on January 11, 2013
90. ## Math repost for yasmin

math - yasmin, Sunday, September 16, 2007 at 5:04pm if 3 is subtracted from twice a number, the results is 9 more than the number. can you answer this

asked by Ms. Sue on September 16, 2007
91. ## math

What are the factors associated with math that you need to know about in order to obtain a mortgage loan. List at least five (5) factors and provide a rationale for those you selected.

asked by meka on January 25, 2012
92. ## regents

I have to take the Regents exam, but there are a great number of math regents exams. If I am in 11th grade,which one should I take??plz help , this is urgent! !😣

asked by Paul on June 9, 2016
93. ## mat115

can someone help me with this math question. I am asked to show my work but I don't know how to do so. The question is: The following set of numbers a perfect triple? 8, 10, 12 yes or now and how so? Thanks for your help.

asked by adore001 on August 26, 2010
94. ## Hamilton

Julia studied math 3 1/3 hours during the 4 days before her last test. what was the average amount of time she studied each day

asked by Sylvia on March 9, 2013
95. ## Math Pattern Help

Math Pattern Help - TO: Reiny, Monday, February 13, 2012 at 10:35pm Based on what you said this is what I came up with. Did I do the rest of the pattern correctly? Thank you so much for your help. X y 1 9 2 8 3 7 4 6 8 2 10 0 12 -2 15 -5 20 -10

asked by TO: Reiny on February 14, 2012
96. ## math

find thedomain and range of {(7,-2), (-6,-4) (9-9,)-(5-5)}= evaluate f(x) +3x^2-4x-3at f(x-1)= evaluate f(x)= -5x+8 atf(-3)= it will be well appreciated of what how and help with these math problems plz thank you

asked by sherri on January 4, 2009
97. ## Mowat Park High School

History, geography, life science and math litrecy what career choice do or career field do I go to with these subjects

asked by Sbulelo Makhele on January 30, 2015
98. ## Algebra 1

I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated

asked by Can sombody please help me on January 7, 2009
99. ## Algebra

Explain how to use mental math to simplify the expression. a.) 8 * 3 * 2 b.) 8 * 2 + 3 c.) 5 + 8 + 3 d.) 10 * 3 -4 I have to include what properties (associative, distributive etc.) I used to simplify the problems.

asked by Anon on May 29, 2015
100. ## Math definition

I need the meaning of the following I looked in math book and online but it gives me so many things I need the meaning of it to put in my notes. "Of" "Out of" "Multiply fractions"

asked by Jessica on February 17, 2017