# Critical Thinking/Math

9,899 results, page 36
1. ## science

calculate the following(show steps): volume of a fish tank that is 15cm by 30cm by 10cm? http://www.math.com/tables/geometry/volumes.htm

asked by jenna on June 21, 2006
2. ## Algebra 1

Solve by completing the square: A rectangular patio has a length of (x + 6) m, a width of (x + 8) m, and a total area of 400 m2. Find the dimensions to the nearest tenth. Please help me with this math problem. Thanks so much.

asked by Aliyah on March 16, 2018
3. ## statistics

Measures of Central Tendency,variability, and postion 12th Grade math class. organize the data 78,67,95,85,84,86,82,75,85,94,91,57,78,77,88,90,91,86,84,82,75,58,73,75. Then do 4 columns of Grades,Deviations,Squares,and Z-Scores

asked by Lisa on November 30, 2011
4. ## chemistry

use logic and simple math to determine how long it will take for a sample of potassium- 42 to decay from 8mg to 0.25mg if the half-life of this radioactive isotope is 124 hours

asked by jay 1 on October 12, 2010
5. ## Patterns and rules unit test 7th grade

I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this test Find the next three terms of the sequence -2,-12,-72,-432... A. -1,728,-6,912,-27,648

asked by Kayla Moore on March 31, 2014
6. ## Algebra one, help+ check? :)

So, this is my math homework. [ I scanned it so it would be easier to explain what I'm doing] h t t p://oi54.tinypic(Dotcom)/2wei16e.jpg And, I don't exactly get how to do problem number 1, and I was wondering if someone could assit me with that. Thank

asked by Allyson on January 12, 2011
7. ## algebra 1

v(v-3)= v^2+6 Does any one know if this is in the quadratic form or not The v^2 means v second power No it is not. Please read: http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut20_quadform.htm

asked by Chels on November 13, 2006
8. ## Math And Science for Young Children

Concepts can be characterized as: A. the building blocks of knowledge. B. thoughts that are incomplete until adulthood. C. ideas that young children do not yet have. D. basic to math but not to science. Is D the correct answer

asked by Tonya on January 9, 2016

my work sheeet said use each of the symbols add,subtract,multiply,and divide to make thte following math sentence true. 12___ 3___ 7___ 1____ 11=0

asked by Daysi on September 21, 2009
10. ## chemistry

Answer the following math questions focusing on significant figures a. 45.3L x 10 mol/L = b. 67.894 g ÷ 2.56 L = c. 45.3m + 12.344m + 1000m – 1.34m = d. 35cm + 8.3m + 75.341 km + 80,000 mm = e. (43.7m + 39.3cm) ÷ 25.332 m/s =

asked by aira on May 11, 2014
11. ## statistics

A machine is designed to fill jars with 16 ounces of coffee. A consumer suspects that the machine is not filling the jars completely. A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounce. Is there enough evidence to support

asked by ryan on August 2, 2013
12. ## physics

7. A drop of oil is placed on a glass block. The glass has an index of refraction of 1.55. When light shines from the glass into the droplet, total internal reflection occurs at a critical angle of 59.0(degrees).find the index of refraction of oil.(this

asked by alessandra on December 5, 2012
13. ## Mathematics Education

1.Does language interfere with learning? 2.How does gender affect mathematics achievement? 3.Does mathematics achievement depend on the school location being either rural or urban? 4.What are the various process errors committed in mensuration? Language

asked by Mfonobong on August 31, 2006
14. ## 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
15. ## 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
16. ## 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
17. ## 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
18. ## 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
19. ## 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
20. ## 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 18, 2015
21. ## 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
22. ## 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
23. ## 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
24. ## 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 28, 2007
25. ## Math

Translate the following sentence into math symbols. Then solve the problem. y more than 4 is -36 My answer: 4 + y = =36 y = -40? Did I answer both of the questions right?

asked by James on September 14, 2015
26. ## math

Use symbolic Math symbolic representation: 1. The Density of a rock is the ratio of its mass to its volume.

asked by Kay on September 9, 2010
27. ## Finite Math Help Please!!!

Finite Math Help Please!!! Can someone help me ? I am confused about this Problem? Median Quartile 1 (Q1) Quartile 3 (Q3) for boxplot 9 10 11 12 13 14 15 16 17 18 19 20 Data

asked by fred on October 25, 2016
28. ## Weather

what is 34f in celcius C= 5/9 (F-32) 32F is the freezing point of water, so 34F ought to be close to zero in C. Do the math.

asked by Jaylen on January 13, 2007
29. ## math

the steps to a math quiz. the earth rotates once every 23 hours 36 minutes 4 seconds.how many seconds is that?

asked by luzia on October 16, 2009
30. ## Math

You have 17fourths of pizza. Show with math or pictures how many pizza you have. 4 pizzas with 1 slice left. 4

asked by Alison on August 27, 2014
31. ## punjab technical university

A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points .her scores were as follows

asked by sarita mishra on December 15, 2015
32. ## Math

You estimate there is an 80% chance you will get an A on your math final, and a 75% chance you will get an A for your semester grade. What is the probability that both will happen?

asked by ValeeRo on May 7, 2013
33. ## geometry

show that the points A(-4,2) B(1,4) C(3,-1) D(-2,-3) are verticies of a square. please show me how to solve this type of math problem.

asked by alex on August 13, 2012
34. ## algebra

i need help with my math problem: x varies directly as the square of s and inversely as t. how does x change when s is doubled? when both x and t are doubled?

asked by mindy on May 26, 2008

46=2-8w-3w I tried adding -8w to both sides and i got the answer wrong... my math text book says the answer should be -4 but i don't know how to get it

36. ## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MANY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

asked by Debra on September 12, 2008
37. ## Math

Math Riddle: Move only one number so 102=100. You may not eliminate or add a number.

asked by Kacy on November 19, 2007
38. ## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

asked by Jo on April 15, 2012
39. ## Algebra

Using only the number 1,2,3,4, construct a math expression that equals to the number 34. You must use all four numbers in this equation. What is the answers?

asked by Malayna on September 8, 2010
40. ## math

Can you please give me a few different math examples of what you meant when you said - You do not add powers with different exponents, but not powers of different bases. Thank you so much.

asked by jo on October 10, 2009
41. ## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

asked by Jo on April 15, 2012
42. ## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MAY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

asked by Debra on September 12, 2008

Math has a 150 page book. he has read 1/3 of it. How many pages has he read so far? Is 50 the correct answer?

asked by Hayley on December 15, 2008
44. ## algebra

a math class has 26 women and 12 men. Find the ratio of men to total studens.

asked by christopher on April 13, 2010
45. ## math

hi my name is Hannah and I need help with my math homework it is something to do with multiplying trapezoids and triangles? Also, what are the formula for the shapes so that way i would be able to do my homework? THANKS FOR THE HELP!!!!!!

asked by hannah on March 4, 2013
46. ## Math

A math class has 26 women and 12 men. find the ratio of men to total students

asked by christopher on April 13, 2010
47. ## math

can someone explain step by step to do math problems for to solve the system ill use an example 7x3y=-2 -7x-7x=14

asked by sherri r on January 19, 2009
48. ## algebra

erika has received scores of 82, 87, 93, 95, and 90 on math quizzes. What score must Erika get on her next quiz to have an average of 90?

asked by aniiiii on May 17, 2011
49. ## Algebra

Explain patterns in the placement of the decimal point when multiplying 5 by 10^2, 10 ^1 and 10^0. Please explain i'm not very good with math.

asked by katy on October 3, 2018
50. ## math

PWEESE HELP. There are 18 boys and 12 girls in math class. What is the ratio of girls to total students? 18:30 12:30 30:12 30:18

asked by DAB on April 28, 2018
51. ## math

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

asked by bobby on October 24, 2012
52. ## Math

_______ and _______ are commutative. What are the two basic math operations where the arguments commute? Think arithmetic.

asked by Kayla on August 27, 2006
53. ## math

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

asked by Ross on October 3, 2009
54. ## Algebra

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

asked by Marco on September 8, 2015

i need help on this problem. make 36/9 into a false number sentence? please! help me to understand this math problem thank you for your kindness.

asked by samie on November 3, 2009
56. ## Maths

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

asked by Jackie on April 3, 2014
57. ## Math

A math quiz is made up of 5 multiple choice questions, each with 4 possible answers. How many possible sets of answers are there?

asked by Emmie on May 2, 2016
58. ## To "bad@math" (and other names)

Please post under one name. Please do not post to demand that someone go back and answer your previous questions. A math volunteer will get to them when he/she can. Thanks.

asked by Writeacher on September 13, 2007
59. ## Math

If you're given a 90 degree angle split down the middle, and one of the angles is 30 degrees, what would the other angle be? sorry im not too good at math

asked by Dara on January 13, 2011
60. ## math

Lesson 15: Efficiency Expert Portfolio Math 7 B Unit 2: Measurement help with portfolio I dont know how to do this please help

asked by :( on February 27, 2019
61. ## math

Thank you i think im getting somewhere a however, what about -8 x (-4) = -32 am i correct? Ok is this one correct? Also is there a math expert to whom we will pay a decent hourly wage to tutor me?

asked by zavier on January 28, 2012
62. ## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

asked by cheyenne on April 10, 2013
63. ## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

asked by cheyenne on April 10, 2013
64. ## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

asked by cheyenne on April 10, 2013
65. ## Math

How many numbers between 100 and 200 can be expresssed as powers of 2? I have trouble with powers but I'm an A math student.

asked by Hales on October 26, 2016
66. ## MATH

Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

asked by Anonymous on January 15, 2013
67. ## ghost in city hall

Hello all. Does anyone have a scanned copy of "ghost in city hall" worksheet? It is a math worksheet. Thank you, Sandy

asked by sandy on April 26, 2008
68. ## math check

Posted by Nora 56 on Sunday, June 2, 2013 at 7:32pm. Sorry to repost but no one answered after I posted on the 2nd,please help, Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give

asked by Nora 56 on June 7, 2013

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

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
71. ## 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
72. ## 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
73. ## 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
74. ## 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
75. ## math

we are trying to help my son with his math and we are not sure how to do the problem and since his school has no books to send home to help us we came here the problem is 1/8x=1/4

asked by Angela on February 20, 2014
76. ## 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
77. ## 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
78. ## 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

79. ## 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
80. ## 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
81. ## Trigonometry

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

asked by AwesomeGuy on February 10, 2013
82. ## 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

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
84. ## 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 27, 2009
85. ## 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 9, 2012
86. ## 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
87. ## 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 2, 2014
88. ## 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
89. ## 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

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
91. ## math

math a)simplify the expression and explain each step 4(3x+2)-2 b)Factor the expression below 20b-16 help please

asked by hola on November 6, 2018
92. ## 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
93. ## Math

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

asked by Brianna on August 11, 2016
94. ## 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 20, 2013
95. ## 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 20, 2013
96. ## 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 8, 2009
97. ## 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
98. ## 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
99. ## 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