# Critical Thinking/Math

9,744 results, page 6-
## advanced math

I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this for -x^2+2x-1, I got 0/-2. I did the math and the x and y intercept came out to be -2 and -2. But when I graphed this on my

*asked by Sharon on March 2, 2008* -
## algebra

Find the two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. can some explain to me how to get this i was thinking the formula would be ' 5x+12=3x No, that's not it. The second integer is x+2, since it is

*asked by laura on March 30, 2007* -
## Calculus

Suppose f(x,y) = XY(1-10X-5Y). f(x,y) has 4 critical points. List them in increasing lexographic order. By that we mean that (x, y) comes before (z, w) if x

*asked by Rajeev on October 16, 2011* -
## Diff Calculus

Find the interval(s) where the function is increasing of decreasing. find the: a) critical value(s) b) critical point(s) c) max. value + max. point d) min.value and min. point e)point on inflection if there is: 1) y=x^4-3x^3+22x^2-24x+12 thanks:)

*asked by unknown on October 2, 2011* -
## algebra 1

I cannot find it in my text book I have a math problem : 2f2 + 9f + 6 for f = 10 The second 2 is to the second power. So with the order of operation do I muliply 2 by 10 first and then 20 the the second power? Thanks Math is really killing me!

*asked by Kati on June 9, 2010* -
## Math

I am a complete idiot when it comes to math. Can someone please help me on the lesson 8:solving equations with fractions Math 6 A unit 6: adding and subtracting fractions Connexus quiz.

*asked by Emma Arroyo on December 18, 2017* -
## math

ok im struggling in math becuase my math teacher isnt really explianing things really good my mom tried 2 swich me to a different teacher but they don't let me wat do i do?

*asked by joclyn on February 21, 2010* -
## math

Ms Writeacher my math work book which is a fifth grader Harcourt Math Practice Workbook does not say what Tues so my mon think it has to be the same Tues in the week of the other days

*asked by charlie on March 10, 2009* -
## math

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

*asked by elizabeth on May 14, 2013* -
## math

ok i have 10th grade math next year and i don't even know half the stuff for this year and its summer brake and im worrying about math..what do i do

*asked by caroline on June 14, 2012* -
## Math

Julia studied math for 3 1/2 hours during the 4 days before her last math test. What was the average amount of time she studied each day?

*asked by mindy on December 12, 2008* -
## intro to psychology

Critical thinking involves being able to: A. wonder, ask questions, define the question in clear terms, and accept the obvious. B. examine the evidence, analyze assumptions, and avoid emotional reasoning. C. examine the evidence, be curious and ask

*asked by elly on June 25, 2015* -
## Current Events

Hey! Kayz, so regarding the stance 'that the US should remove political, social and economic support from dictatorships'. So far I'm thinking of adapting the sanctions on South Africa during apartheid for this. I'm also thinking of looking at current

*asked by Tina on May 8, 2011* -
## written analysis

In weeks 1 and 2, via your introduction to the critical thinking process, you are briefly introduced to some of the most powerful and complex questions humans have ever asked: What is truth? What is knowledge? How do you know what you know? In this

*asked by yosiel on March 27, 2012* -
## trig

What is cos(11pi/3)? Explain your thinking. What is sin(13pi/4) ? Explain your thinking.

*asked by BreAnne on January 27, 2012* -
## math 2

armani is thinking of,a number that is,a factor of 36 and,also a multiple of 3. what are the possible numbers Armani could be,thinking of?

*asked by stephie 21 on January 7, 2013* -
## Math for Business Analysis

Let f (x, y) = xy + 5x + 4y model the utility a consumer feels based on the number of the number of cups of coffee, x, and the number of donuts, y, consumed on a given Thursday. Find the absolute maximum and absolute minimum values of f(x, y) over the

*asked by lex. on June 13, 2016* -
## math

A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?

*asked by nathalie on February 6, 2014* -
## Test

Tomorrow the whole state is going to take this assessment and I'm stressing out. There is this website that I am practicing on right now and most of the math questions I don't even know. I don't know what to do and I'm worried that I'll fail the math

*asked by Joy on October 15, 2012* -
## math sets

out of 320 students at a university,190 taking math,235 taking chemistry and 120 taking physics.125 are taking both chemistry and math,95 taking both chemistry AND PHYSIC,55 TAKING BOTH MATH AND PHYSICS.HOW MANY ARE TAKING ALL THE THREE SUBJECTS

*asked by kelvin on January 16, 2017* -
## Math

Based on the data, of 40% Reading and 25% Math, Out of 240 students, how many would choose reading or math as their favorite subject?

*asked by James on March 27, 2012* -
## Math

Match/Choose the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the matching math sentences.

*asked by Student on May 18, 2016* -
## math

CAN YOU PLEASE ANSWER MY QUESTION "MATH" AND "math".

*asked by FOR MS. SUE consquela on March 6, 2012* -
## Math

if you have a f in math what is the percent of the grade in math?

*asked by Young Trippy Lil G on March 21, 2017* -
## English

posted by rfvv Thursday, April 5, 2018 at 5:57am 1. I laugh. Don't laugh, I tell myself. Think of tomorrow's math test. That works. I sit quietly. -------------------------------------------------------- In the book, 'Don't laugh' is in italic type. In the

*asked by rfvv on April 9, 2018* -
## HSPA

In my school, I have to pass the HSPA in order to graduate. We had to take the Language and Math HSPA in March. In order for a student to pass the HSPA, you have to get a score of 200 or more on both parts. I received exactly a 200 on the Language part of

*asked by Mack on August 22, 2007* -
## Algebra

Suppose you want to enclose a rectangular garden plot against a house using fencing on three sides, as shown at the left. Assume you have 50 ft. of fencing material and want to create a garden with an area of 150 ft². A. Let w = the width. Write an

*asked by Sophia on December 2, 2015* -
## math

Answers (not puzzle, math answers) to what do you call it when someone pays back a quick loan. I know the answer is a sudden debt pay off i need help writing them out(math part).

*asked by Jamlle on February 25, 2015* -
## math

I am having a hard time on the ACT with the math have bought several books trying to learn the math and need some help please take the ACT sat. and again on the 23rd have to get good score to start classes in august

*asked by mel on June 6, 2013* -
## statistics

The average math SAT score is 500 with a standard deviation of 100. A particular high school claims that its students have unusually high math SAT scores. A random sample of 50 students from this school was selected, and the mean math SAT score was 530. Is

*asked by Nancy on November 23, 2010* -
## Math

Hello! I am not asking for the answer to this question, I am asking for a step-by-step explanation. Mr. Green 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 9 students

*asked by The Philly Inquirer on March 31, 2016* -
## Chemistry

I am having so much trouble understanding how to classify reactions as precipitation, acid base, or oxidation reduction. In one example in particular, it reads Iron II oxide reacts with oxygen and water to yield Iron III hydroxide. I wrote out the equation

*asked by Tracey on April 21, 2015* -
## bus. stats

Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

*asked by mike on March 3, 2010* -
## bus. stats

Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

*asked by mike on March 3, 2010* -
## To sam!

Was the five part unknown question for compounds A through E yours? If so, did you get it answered ok? no it was not mine! can you please check my math? can you please check my math?

*asked by DrBob222 on December 4, 2006* -
## Math

Match the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the matching math sentences.

*asked by Student on May 18, 2016* -
## English

1. I have to do scince and math homework tonight. 2. I have to do my science and math homework. ------------ Are both grammatical? Which one is commonly used? Do you have other way of expressing?

*asked by rfvv on November 29, 2014* -
## math

the width of a math textbook is 0.75 inches. how many math textbooks can be placed standing up on a shelf that is 18 inches wide

*asked by cat on April 11, 2015* -
## math

In a local college, 60% of the math majors are women. Fifteen math majors are chosen at random.

*asked by michelle on September 22, 2010* -
## math

a teacher allows 5/6 of an hour to be spent on homework, she wants to spend 1/3 of that tome on math. how much time will be spent on math?

*asked by emma on April 13, 2011* -
## hostos

the average math sat score is 500 with a standard deviation of 100. a particular high school claims that its students have usually high math SAT scores a random sampel of 50 students from this school was selected, and the mean math sat score was 530 . Is

*asked by tina on May 3, 2014* -
## math

Help! I am gettting a C in math and I am so cofussed! How do I study better but have fun while I do it? I love math, I take it as a game, I take the #'s and use their equations. I know you might not like problem solving q?, but try to get a tutor & I know

*asked by Kendall on November 13, 2006* -
## Dont I need more info for this Math problem??

You borrow $2,000 at a rate of 3% for a period of 4 years. How much will you re-pay at the end of 4 years? This is a 7th grade math question and I feel like it's a trick question. I am thinking that I should use the simple interest formula, but I know that

*asked by SDog on March 20, 2014* -
## statistics

SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math portion of the SAT exam than students whose first language is English. The mean SAT math score of students whose first language

*asked by Liz on October 7, 2011* -
## statistics

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores

*asked by Lyndyc on January 1, 2014* -
## To Desire

Your posts have been removed, mainly because you have given absolutely no thought to how you'll solve those problems in your assignment. In the future, please remember these things: 1. This is a homework help website; please put your subject (math,

*asked by Writeacher on November 28, 2009* -
## Chem

What molarity of a NH4NO3 solution has a pH of 5.220? Kb for NH3 is 1.8 x 10^-5. Choose one answer. a. 6.31x 10-6. b. 2.21 x 10-6 c. 5.56x 10-10. d. 0.065 I started by taking the inverse log of the PH to get (6.02*10^-6) then I was thinking its not the way

*asked by AMI on April 7, 2010* -
## 1st grade Math Fair

My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help?

*asked by Joyce on January 1, 2010* -
## Math

Post a New Question Current Questions Homework Help: Math (HELP PLEASE) Posted by Anonymous on Tuesday, September 17, 2013 at 8:37pm. Estimate the total precipitation in inches and in days for Asheville and Wichita. City: Inches: Days:

*asked by I need help on this to on September 20, 2013* -
## Reading

can you help me thank you: 2.Detecting bias is one of the major keys to effective critical thinking and reading. True or False, I believe True 3.Deductively valid arguments can guarantee their conclusions. True or False, I believe it is false 4.A fallacy

*asked by Naomi on August 6, 2011* -
## writing

How would you encourage a reluctant peer reviewer? What is your thinking on this? The question has been asked over the past few weeks several times, with good answers. I, and others, will be happy to critique your thinking. Please go to the site listed

*asked by nicole on June 23, 2006* -
## math

A class of college freshmen is composed of 110 students. Among these students, 75 are taking English, 52 are taking history, 50 are taking math, 33 are taking English and history, 30 are taking English and Math, 22 are taking History and Math, and 13 are

*asked by vilma on October 26, 2012* -
## math

A class of college freshmen is composed of 110 students. Among these students, 75 are taking English, 52 are taking history, 50 are taking math, 33 are taking English and history, 30 are taking English and Math, 22 are taking History and Math, and 13 are

*asked by vilma on October 26, 2012* -
## 7th grade math (probability)

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility

*asked by Alexis on March 31, 2015* -
## Biology

Which of the following is true? A.Biased thinking promotes scientific ideas. B.Open-mindedness restricts scientific thinking. C. Creativity fosters scientific discovery. D. Skepticism inhibits scientific exploration. I think it is C...?

*asked by Cassie on August 28, 2013* -
## Calculus

For the function below, determine the intervals of concavity: f(x)=xlnx I tried doing it but the second derivative would always be f''(x)=1/x, so it would be concave up at x>0 and concave down at x

*asked by Isabella on January 10, 2016* -
## quantitative analysis

consider a manufacture whose total cost of producing x items is given by c(x) = 10000 + 5x+1/9x^2 a) what is the average cost function of A(x) = c(x)/x? b)how many items should the manufacturer produce in order to minimize average cost? c)what is the

*asked by tyler on November 27, 2012* -
## ms.sue

can you help me with accounting or you do english and other stuff but not math because i know mathmate does math but i don't know if he does accounting.but i asked him anyway, by his name i think its a yes or maybe.or do you know someone that can help me.

*asked by henry on August 2, 2009* -
## Math Units

Why is a informal math unit considered to be more fun for students than a standard math unit?

*asked by Susan on April 16, 2008* -
## calculus

One litre of water at 0 degrees Celsius will have a different volume at higher temperatures. For a temperature 0 ≤ T ≤ 30 (in Celsius) this volume (in litres) is well approximated by the function V = −aT 3 + bT 2 − cT + 1 using the coefficients a =

*asked by Mable on February 22, 2017* -
## biology

I have some questions that relate to table 2.1 which lists the chemical elements that occur naturally in the human body. Similar percentages of these elements are found in most living organisms. a. In what abiotic (non-life) chemical forms are these

*asked by muffy on September 10, 2009* -
## Information Technology

what are the benefits from using thinking skills you succeed in your educational and personal life i guess!!! I would love to hear and critique what you think of for this answer ;) Matt What happens if you DON'T use thinking skills? That is, if all you do

*asked by Cassy on March 20, 2007* -
## calculus

I've done the first question but I cannot get any farther. I'm so stuck. Please explain or just help me to figure out the next steps. A printed poster is to have a total area of 837 square inches with top and bottom margins of 7 inches and side margins of

*asked by casidhe on April 21, 2012* -
## order of magnitude estimate

Which of the following is the best order of magnitude estimate in meters of the height of a mountain? a) 1 m b) 10 m c) 100 m d) 1000 m And your thinking is...? We will be happy to critique your thinking or work. I perosnally think that it is d is that

*asked by Anonymous on September 6, 2006* -
## philosophy

I am suppose to write a paper on ethical dilemma.I was thinking about writing about a woman who works in retail sales and a customer gives her to much change. I was thinking that would be an ethical dilemma. I was wondering what anybody thinks. I really

*asked by ANGELA on January 30, 2013* -
## chemistry

Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. Hydronium = [H3O+] = 10-pH or [H3O+] = antilog (- pH) and I got 1.00 x 10^7.3 for both concentrations is this correct? ABsolutely silly. You did not

*asked by Jon on March 23, 2007* -
## Calculus (urgent!!)

Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B] ,[B,C] , and [C,INF) where A, B, and C are the critical numbers. Find A, B, and C. At each critical number A, B, and C does f(x) have

*asked by Karku on April 1, 2011* -
## Absolute and relative change

In one region the number of students in Math 101 is 20% more than the number of students in Math 123. If there are 480 students in Math 101, how many students are in Math 123?

*asked by jane on April 25, 2016* -
## statistics

To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be normally distributed. (a) If = 76.9 and s = 8.5, compute the test statistic. (b) If the researcher decides to test the hypothesis

*asked by Liz on October 7, 2011* -
## math 6th grade

I left my math book at school, grabbed my geo. :( We were supposed to take notes in a math textbook about Variables and Algebraic expressions. Can I have a good website with definitions and examples? Thanks. (and next time i'll remember my textbook)

*asked by Isabel on September 15, 2009* -
## Algebra II

The grades on the last math exam had a mean of 88%. Assume the population of grades on math exams is known to be normally distributed with a standard deviation of 6. What percent of students earn a score between 72% and 90%? (5 points) 0.6255 0.5843 0.6754

*asked by Pewdiepie on May 23, 2014* -
## Just for "Ms.Sue"

Hey, "Ms.Sue". Ms.Sue you have been very helpful. But I keep getting stuck. 5th grade math is a challenge especially after my teachers stroked and we were out of school for almost all of September and no one in my house understands this new math either. I

*asked by Candy Corn  on October 5, 2011* -
## Mathematics Education

1.What are the type of errors committed by beginning mathematicians? 2.What are the Process errors in mensuration? 3.How does this process errors affect the academic achievement of students in mensuration? 1.What are the type of errors committed by

*asked by Mfonobong on August 22, 2006* -
## 4th grade math

Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks

*asked by Lexie on May 15, 2013* -
## biology

On a television talk show, a guest claims that people who exercise vigorously for 15 minutes or more every day are able to solve math problems more rapidly than people who have no vigorous exercise in their daily routine. Describe a controlled experiment

*asked by ms.sue help on December 23, 2013* -
## english

what are the pros and cons of joining "netville 2" a computer company that came to your neighbourhood. We will be happy to critique your thinking on this. thanks im having trouble thinking of cons. The only thing i have for cons are: hidden fees and

*asked by barry on April 21, 2007* -
## stastistics(psychology)

A study was conducted to identify the predictors for symptomatic distress in EMS workers. Five predictor variables were used in a regression model and fitted to a data collected on n = 147 EMS workers and yielded F* = 34.47. In testing the usefulness of

*asked by jamal on February 3, 2012* -
## math

During one school year, Billy Bob earned $25 for each Math test he passed and was ined $50 for each Math test he failed. By the end of the school year, Billy Bob passes 7 times as many Math tests as he failed and he had a total of $375. How many tests did

*asked by Anonymous on January 23, 2011* -
## English

Now since I have corrected those errors, and change some stuff in the 2nd par. could u go back and check my whole paper for spelling, commons, semi colon, period, subjust verb agreement,and make sure that everything is correct. I would really appreciate

*asked by Angel on November 11, 2009* -
## psychology

Take one of the Emotional Intelligence tests at the sites listed below. Reflect on your results and explore ways that you might develop an enhanced emotional IQ. The sites below have informal self-administered surveys that introduce the concept of EI in an

*asked by AJ on August 16, 2008* -
## math

A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) The parabola has a minimum value B) The parabola has a maximum value C) The parabola does not cross the y-axis D) The parabola does not cross the x-axis E) The vertex of the parabola

*asked by claudia on May 15, 2007* -
## language

Juan has an essay due in English on Wednesday and a page of math homework due on Friday. How should Juan approach this work? A. Get the math out of the way so he can focus on the essay. B. Split his study time between the courses from now until Wednesday.

*asked by Anonymous on February 2, 2016* -
## chem.

Hey this is my question: At a temperature of 300°C and a pressure of 40.5 MPa, 90.0 mol of H2(g) and 80.0 mol of N2(g) are injected into a reaction vessel. When equilibrium is established, 37.0 mol of NH3(g) are present. The number of moles of H2(g)

*asked by yo! on June 18, 2006* -
## Physics

A car is traveling at 50km/h. The driver sees a child run out into the road 5m ahead. She applies the breaks and the car stops in 5s. The driver's thinking time is 1.5s. a. Will the car stop in time? b. If the driver's thinking time is increased to 2.5s,

*asked by Yesuf on December 17, 2016* -
## psychology

What is the name of the type of thinking that humans do naturally? What is the weakness of this type of thinking?

*asked by Komal on April 9, 2010* -
## Statistics

2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an

*asked by kristen on February 27, 2007* -
## Math

If possible, could a math tutor check the math post question that "daylo3" asked at 6:42 pm today, that I answered? I don't usually answer posts that I am not 100% sure of the answer. I would like to know if the way I approached this problem is correct?

*asked by helper on January 30, 2011* -
## grammar

WERE DO YOU LEAVE COMMANTS? DO YOU KNOW ANY PLACE IN CALIFORNA/ TEMECULA WERE THRE IS FREE TUTORING?ARE YOU TEACHER? IF YES FROM WHAT SCHOOL? DO YOU ALSO TEACH OR TUTOR MATH? IF YES THEN I NEED SOME HELP AND TIPS IN MATH. DO YOU ALSO TEACH SCIENCE?I ALSO

*asked by ANGIE on March 19, 2008* -
## Preschool-Creative Thinking and Arts Based Learnin

Read the book, but could not find this answer. Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b. have intelligence that develops into skill. c. lack

*asked by GALEN on November 7, 2014* -
## Math

This isn't a question for math homework but i have a really low grade in math and i want to raise it up. What can i do to get my grade up because i am getting progress reports on Monday and i want to get a really good grade.PLEASE HELP!!!!

*asked by Jimena on September 21, 2012* -
## statistics

A medical board claim that the mean number of hours worked per week by surgical faculty who teach at an academic institution is more than 60 hours. A random sample of 7 surgical facility has a mean hours worked per week of 70 hours and a standard deviation

*asked by Jessie on May 10, 2012* -
## Early childhood

I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts.

*asked by Karen on August 24, 2013* -
## algebra

Math Magicians charges $45 registration fee plus $30 per hour for tutoring. Math Master charges $25 registration fee plus #35 per hour tutoring fee. How many hours per tutoring would it take to make Math Magicians cheaper than Math Master?

*asked by andrea on February 5, 2011* -
## 4th grade New

Jason is thinking of a number. He adds 8, multiplies by 2, subtracts 4,and then divides by 2. The result is twenty-four. What number is Jason thinking of?

*asked by Regina on December 3, 2009* -
## English

1. My favorite class is a math class. 2. My favorite class is math class. (Which one is right? are both OK? Do they have a different meaning?) 3. I have two math classes today. 4. I have two math class today. (Which one is right?)

*asked by John on May 20, 2009* -
## English

is a critical response of a poem the same as a poem analysis? if not what is a critical response?

*asked by jason on May 29, 2011* -
## Maths (Simultaneous equations)

You know f(x)= ax² + bx + c. Well when you get the equations why is it always like: 1) a + b + c = something 2) 4a + 2b + c = something 3) 9a + 3b + c = something I mean why is the first one always 'a+b+c'? etc. Also does it have to be f(x) or can it be

*asked by ana on October 6, 2006* -
## English

What's your favorite class? 1. It's a math class. 2. It's math class. 3. It's math classes. 4. Math class is my favorite. 5. Math classes are my favorite. 6. A math class is my favorite. (Which answers are correct? Are all correct?)

*asked by rfvv on March 15, 2010* -
## mat115

Please help with this math problem. The directions are Add. Must show work. 4 2/7 + 1 5/7 I appreciate your help with this math problem. Thanks so much.

*asked by adore001 on August 29, 2010* -
## Math

Could someone please help me with this math problem. I am lost on trying to solve this math problem. Add. Simplify if possible. s+r/sr^2 + 2s+r/s^2r Thanks.

*asked by B.B. on May 17, 2010*