# Critical Thinking/Math

9,778 results, page 9-
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## calculus

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

*asked by Zel on October 26, 2010* -
## math

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

*asked by Henry on February 3, 2015* -
## Physics

What is the critical angle of benzene is 1.5

*asked by Nayeem on September 27, 2016* -
## Statistics

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

*asked by tyler on November 20, 2015* -
## maths

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

*asked by thila29 on September 4, 2011* -
## calculus

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

*asked by Denzel on November 5, 2010* -
## Calculus

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

*asked by Anon on December 9, 2014* -
## 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* -
## precalc graph

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

*asked by Deb on October 1, 2012* -
## Statistic

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

*asked by Denise on April 17, 2016* -
## math-calc

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

*asked by mkcolema on March 14, 2009* -
## Optics

How to find critical angle using n?

*asked by Terry on November 3, 2014* -
## Calculus

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

*asked by Anonymous on February 11, 2013* -
## math

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

*asked by Annie on June 25, 2013* -
## Calc Derivatives

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

*asked by Isabella on March 5, 2016* -
## Math

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

*asked by jonh on March 7, 2013* -
## calculus

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

*asked by pinki on November 30, 2010* -
## statistics

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

*asked by scott on May 12, 2011* -
## calculus

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

*asked by diana on December 10, 2011* -
## calculus

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

*asked by Denzel on October 24, 2010* -
## 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* -
## calculus

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

*asked by beth on December 8, 2015* -
## Calculus

6x-4cos(3X)Critical Numbers

*asked by Anonymous on December 18, 2011* -
## Calculus

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

*asked by Anonymous on November 16, 2016* -
## Math

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

*asked by pypski on December 15, 2016* -
## statistics

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

*asked by scott on May 12, 2011* -
## English

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

*asked by Samantha on December 3, 2013* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked by Eileen on July 18, 2010* -
## AP Calculus

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

*asked by Sandy on February 8, 2011* -
## 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* -
## critical thinking

have a critical spirit means one is a cynic

*asked by Anonymous on March 6, 2011* -
## Calculus 1

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

*asked by TayB on October 23, 2015* -
## calculas

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

*asked by jenny on November 5, 2009* -
## Calculus 1

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

*asked by Tina P on December 3, 2010* -
## Physics

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

*asked by Evans on August 15, 2018* -
## Calculus

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

*asked by Hailey on October 20, 2014* -
## calculus

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

*asked by Hailey on October 20, 2014* -
## Cal

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

*asked by Dee on April 3, 2013* -
## 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* -
## Calculus

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

*asked by Nick on November 9, 2012* -
## calculus

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

*asked by Jasmine on July 9, 2012* -
## Physicis

What is critical angle of refractive index is 1.5

*asked by Sai on September 26, 2016* -
## Calculus

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

*asked by Jan on October 14, 2013* -
## 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* -
## Math

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

*asked by Ishmael on November 14, 2012* -
## 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* -
## calculus

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

*asked by Zel on October 25, 2010* -
## calculus

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

*asked by Zel on October 24, 2010* -
## 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* -
## Calculus

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

*asked by Sally on October 31, 2007* -
## 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* -
## Compensation and Benefits

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

*asked by Anonymous on May 20, 2013* -
## math

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

*asked by Heaven on April 17, 2011* -
## calculus

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

*asked by henry on November 20, 2008* -
## english

critical essay on phenomenal woman

*asked by Anonymous on March 15, 2010* -
## Calculus

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

*asked by Debbie on October 17, 2011*