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July 25, 2014

Search: Math - determinants

Number of results: 90,149

Determinants
Why are finding determinants important? Aside from Cramer's rule when are determinants used?
March 11, 2010 by Kevin

Math
Solve using Determinants and Cramer's Rule? I was absent and missed the lecture on Cramer's rule and Determinants and have no idea how to start the homework.. The directions and problem are as follows: Using Cramer's Rule, set this problem up to find "a". Only evaluate the ...
November 30, 2010 by Euphoria

Math - determinants
| x 5 2 | |-6 4 1 | = x(squared) + 22x - 1 | 3 1 x | Solve for x.
November 4, 2010 by Kye

Algebra II
1) when using cramer's rule to solve the system of equations containing 5x - y = 5 and -3x + y = -9 the denominator for the x and y variables looks like which of these determinants ? a) |5 5 | b) |5 -1 |-3 9| |-3 1| c) |5 -1| |-9 1| d) none of these 2) when using cramer's rule...
April 8, 2011 by anonymous

Math
determine the number of solutions using determinants 3x-y=-6 2x=3y+2 I get: 3 -1 2 -3 D = -9-(-2)=-7 and 3 -6 2 2 D = 6-(-12)=18 solution set is (-7,18) when I plug them in to check, they don't come out right
March 21, 2010 by Paula

health care
what is determinants of respiration?
March 30, 2014 by natkrt

Math grade 12
write the partial fraction decomposition of the following rational expression ( hint: binomial expansion with Pascal triangle can be used to expand binomials. technology may be used to solve large systems using matrices or determinants) 4 ------------------------------------- ...
January 1, 2012 by Rass

health
Is it true that societal health determinants are predicated on policy?
September 23, 2013 by Jimmy

algebra 2
i need answers to the pennfoster book matrices and determinants exam number :00703500. please make sure all the answers are correct. please and THANK YOU (:
September 10, 2009 by hellomynameis

working with school aged children
Which of the following are the major determinants of physical growth and development? A. Heredity, parents, and school B. Intelligence, cleanliness, and aggression C. Nutrition, emotional well-being, and culture D. Food, TV, and technology I am thinking that it's C
May 16, 2011 by Heather

Macroeconomics
Manipulation of the Cobb Douglas Equation gives us expression for output per working age person: growth rate of (Y/N)=[1/(1-alpha)*growth rate of TFP]+[(alpha/(1-alpha))*growth rate of (K/Y)]+ [growth rate of (L/N)] N is the working age population K is capital stock L is labor...
February 9, 2007 by joe

Biology
Good day! I actually just have one question and I have been looking at links and everything, but i still dont understand>>>>... "What abiotic factors seem to be the greatest determinants of terrestrial biome locations?"
June 26, 2011 by Sam

Foundations of Law
I am a little lost on this. I read my book that my professor told me to read, however, I still do not see the answer to this question Biological theories of crime causation assume that the basic determinants of behavior are based upon two things; what are they
May 10, 2009 by Criminal Admin Major

Math: determinants
If det(A)=-7 A= | a b c | | d e f | | g h i | Find det(2A^-1), det((2A)^-1). Find | a g d | | b h e | | c i f |
December 2, 2007 by Amelie

Determinants of Interest Rates
If the rate of inflation is 5%, what nominal interest rate is necessary for you to earn a 3% real interest rate on your investment?
October 20, 2010 by Anonymous

economics
What are 5 deteminants of demand for JONES Soda Co? What are 4 determinants of supply for JONES Soda Co? Think about what influences supply and demand e.g., what are some factors that would shift the supply curve? the demand curve? And this will be your answer.
March 11, 2007 by Kayla

Linear Algebra 2 question
Hello, I have another question from my linear algebra class. I'm asked to find the area of a triangle using determinants, but they don't give me the vertices, only the sides. Where A,B,C and D are the vertices, u and v are 2 out of the 3 sides. Now they give me u=(-3,1) and v...
August 26, 2012 by Robert

DRWLS CAN YOU ANSWER
How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 y-z=-3 2x+3y+z=1 THE ANSWERS ARE3,-2,1 HOW DID THEY GET THAT ANSWER. This can be solved a number of ways. 1) subsitition 2) determinants 3) matricies. Substution: x= 1-y y= z+3 or ...
October 22, 2006 by Jasmine202005

cramers rule
Solve the following linear system for x using Cramer’s rule. Show work. x + 2y – 3z = -22 2x – 6y + 8z = 74 -x – 2y + 4z = 29 Cramer’s rule uses determinants to find the solution Set up a 3by3 matrix using the coefficients of the x,y and z, and find its determinant, calling it...
August 8, 2007 by linda

statistics
An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8-year period (n = 423) with the following results, with dependent variable Year...
March 15, 2012 by ronald

statistics
An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8-year period (n = 423) with the following results, with dependent variable Year...
March 19, 2012 by ronald

Math (matrices)
No one answered my matrix question. Let me rephrase: Let A, B, and 0 be 2x2 matrices. Assuming that A is invertible and 0 is all zeroes, what is the inverse of the matrix [A|0] [B|A] (that is a 4x4 matrix represented as 4 2x2 matrices) The answer is in the form: [A^-1|0 ] [C |...
November 16, 2006 by James

College Algebra-Study Material
I am going to take the CLEP (College Level Examination Program) College Algebra examine. I am trying to decide on what books I should use to prepare for this examine. The following is what is going to be covered in this examine: 25% Algebraic operations Factoring and expanding...
November 28, 2008 by G

macroeconomics
1. What is the demand for money? What are the types of Money Demand? Explain further utilizing the determinants of Money Demand. How does the demand for money depend on the nominal interest rate? On the price level? On income? Explain in terms of the costs and benefits of ...
December 3, 2013 by Latesha

Math...For All Math Tutors
I would like to know how many of the people answering math questions here are current math teachers, were math teachers at one time, are current tutors working for a tutoring company or simply love math. What's your story? I would love to hear from all math tutors. Thanks, ...
February 15, 2008 by Guido

math
all i can say is math stinx dont mess with math. without math, a lot of things wouldn't exist right now...
October 9, 2006 by Anonymous

Microeconomics help please!
If someone colud help with these questions I would be very greatful, Ive been trying for awhile now and Im at my ropes end. 1)The perfectly competitive ice cream industry is assumed to be in long-run equilibrium. Suppose there is an increase in the market demand for ice cream...
July 15, 2005 by crstudent

math
I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and history 9. math and ...
April 14, 2010 by Bart

English Grammar
A: What time is your math/Math class? B: At eleven forty-five. Do we have to use 'math' or 'Math'? And is it a common noun or a proper noun?
April 18, 2008 by John

Math
Is IB Math Studies the same as Pre-Calculus? I heard that IB Math Studies is for students who have a low background in math. Is that right?
August 20, 2013 by Anonymous

3rd grade Math
Actual question on homework."EXPLAIN HOW YOU CAN BREAK APART ARRAYS WHEN YOU MULTIPLY BY 3." (there is no array on the paper to use) I don't like this new math, what was wrong with the old math I learned, I am Accounting /Finance supervisor, but don't understand this math.
January 21, 2010 by Jennfer

math math math math
a. what is the general term of the following series? 60/121-30/11+15-... +219 615/16 b. how many terms does the series have?
January 10, 2011 by Anonymous

What Makes A Good Math Teacher?
I think a good math teacher is someone who can explain math topics at the level of students. A good math teacher is someone who does not try to impress students with his or her math skills (college math professors are famous for boasting). In your opinion, what makes a good ...
February 22, 2008 by Guido

Math
All of my life I have gotten a C average in math. I have been trying to set a goal to make above a C in math. I don't know why I have trouble with math. Can someone help me?
August 18, 2011 by Aquion

English
Revise the folloing sentences to create parallel constructions. (Question) Some students hate math; some students dislike math, and math is liked by other students. (my answer) Some students hate math, some dislike math, and some like math. every way I have tried it just doesn...
June 30, 2010 by Rita

To Michael
Here's the question you posted in response to another student. "Ms.Sue do you mind if i ask were you a math teacher or are you just a genius at math and why do you do this help online do you get any benefit for doing this?" I taught a couple of sections of 7th grade math -- ...
November 4, 2011 by Ms. Sue

math 098
I made 3 f's on my tests in math 098, do you think i need to withdraw and take math 090 instead. this is my first semester and i really want to do my best please help. math 098 is algebra math 090 is basic for college. the score were equations--52,distance problems---55, ...
July 6, 2012 by %%%Rena%%%

math math math!
A cruise ship travelled 84 km in 3.5 h. At this rate, how long will it take to travel 1050 km?
November 1, 2008 by jazz

math
forgot my math book at school, i need the questions saxon math grage 6 lesson 14
September 13, 2010 by kolbi

math
What strategies can you use to help students cope with math anxiety? How can you make math class interesting and fun as well as relevant?
October 21, 2008 by sally

Self-Taught Mathematicians
Those of us who love math certainly know two basic facts about Mr. Gottfried Wilhelm Leibniz: (1) He and Newton (our calculus guy) did not get along AND (2) Mr. Leibniz was a self-taught mathematician My question is for all tutors here who love math. What is your view of ...
February 22, 2008 by Guido

Math- Algebra 1
Im doing extra credit since my math test didn't go so well but im stuck on a question (Wish i had my math book). Please help. Q: 3.8y - 4.7 + 3.8y + 17.5
November 23, 2010 by Shilo

Math :):):):):):):):):):):):):)
Sarsh is currently at 83.7% in math. She has just finished a worksheet that is out of 30. She got 30/30 which is full marks. What percent is she at now in math?
November 27, 2012 by Winnie

math
Hi my son has a very hard time with math.I'm his mom and I'm not good at math.so I'm hoping that I can get help here cause I can't afford a tutor.please help him
August 29, 2013 by azionte

math
I have to take up math 100 for college can you give me tips on what to study?Im taking up nursing and i was told i need alot of math..
February 9, 2012 by renak

math
Will you help me with my math homework? what level of math? Please repost with the specific problems, so we can help. Thanks for asking.
February 21, 2007 by morgan

Math
A math book is .78 centimeters thick. What is the width of 21 math books on a shelf?
October 14, 2010 by TJ

math
for every 20 math books a school buys, they they get 7 aditional books for free. The school needs 297 math books. What is the total number of math books the school must buy in order to receive 297 math books in all?
February 8, 2012 by ali

math 3rd grade
what is an arrary ? look for the answer in the back of your math book...there may be a glossary An array is a table of numbers. can you help me with my math homework on internet
May 1, 2007 by angel

math
I Need Help On My Math Evaluates: Okay So I Have This Quiz Im Taking And Its Telling Me " Evaluate 3-1/3 to the power of 4" I Am A Little Rusty On My Math So Can Someone Please Help! :) Thanks.. Adrienne Deleon
March 22, 2011 by Adrienne

Probability
At a certain university, 30% of the students major in math. Of the students majoring in math, 60% are males. Of all the students at the university, 70% are males. a) What is the probability that a student selected at random in the university is male and majors in math? b) What...
October 27, 2006 by Cari

statistics
At a certain college, 15% of the students receieved an A in their required math cousre, 10% receieved an A in their required chemistry course, and 5% receieved an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry ...
October 4, 2009 by Sharon

Math
here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
November 12, 2009 by Sophia

math math math .
The coefficient of the first term in the polynomial 2x^2y+3xy-1 is _?_
October 24, 2008 by margiee (: !

MATH OMG HELP PLEEESE
Sarsh is currently at 83.7% in math. She has just finished a worksheet that is out of 30. She got 30/30 which is full marks. What percent is she at now in math? I HAVE NO IDEA!!!!!!
November 28, 2012 by WINNIE

Comm/215
Q: Some students hate math, some students dislike math, and math is liked by other students. Parallel Construction A: Some students hate math, some dislike math, and some like math. Is this correct?
June 17, 2010 by David

math
what are your feelings about math, rate your math anxiety, and describe what coping mechanisms might be helpful to you and your I like math. What matters is what YOUR feelings amd "coping mechanisms" are.
March 4, 2007 by carmen

math
who created math God. Math is a symbolic language used to express ideas in the form of sentences and statements that attempt to make somewhat precise decisions about nature.
February 8, 2007 by jose

English
1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical? What about #5? Is it ...
July 16, 2013 by rfvv

Math
How to write a math story that includes 4 examples... Possible math topics include: introduction to functions investigating quadratics quadratics highs & lows exponential functions fiancial applications of exponential function acute triangle trigonometry I'm taken MCF3M math ...
January 13, 2011 by Tarkan

math.math.math
how would you simplify (ab)to the 5th power ?
February 21, 2010 by Joliann

math math math
what are the formulas for the area and circumfrence of a circle
August 21, 2012 by lily

math
Resource allocation podunk institute of technology’s math deaprtment offers two cources: finite math and applied calculus.each section of finite math has 60 studnets, and each section of applied calculus has 50. The department is allowed to offer a total of up to 110 sections...
November 29, 2013 by Swayne

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?
December 11, 2008 by mindy

math
i really have trouble with math and the algerba really gets me mixed up can u give me some tips for math so i can undrestand plese
April 1, 2011 by salassia

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
May 14, 2013 by elizabeth

math
ok i have 10th grade math next year and i dont even know half the stuff for this year and its summer brake and im worrying about math..what do i do
June 14, 2012 by caroline

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?
March 27, 2012 by James

Math
Yolanda completed 14/25 of her math problems before her break and 1/5 of her math problems after her break. What fraction of her math problems did she complete?
November 8, 2012 by Bell

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.
May 16, 2010 by B.B.

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?
April 12, 2011 by emma

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?
February 6, 2014 by nathalie

Math Course
I was thinking about math courses for next year, and I do not know what I'm going to take. What is the differences between Alg 3 and Advanced math? And also, and does Trig involve? And I'm too scared of calculus to take it.
February 27, 2009 by Chopsticks

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
March 9, 2009 by charlie

Math Units
Why is a informal math unit considered to be more fun for students than a standard math unit?
April 16, 2008 by Susan

Math
I am thinking about going back to college and taking online math classes. I am eligible to take either financial mathmatics or contemporary math. But I am not really sure what the difference is between them. Is there one that is more easy than the other?
March 29, 2008 by Matt

English
1. What's your favorite class? 2. It's math. 3. It's math class. 4. It's a math class. 5. My favorite class is math. Which are the right answers for the question? 6. What's your favorite subject? 7. It's math. (What about the question, #6? Is the question the same as question ...
March 9, 2010 by rfvv

math
CAN YOU PLEASE ANSWER MY QUESTION "MATH" AND "math".
March 5, 2012 by FOR MS. SUE consquela

math
What does the math term XOR stand for in math?
November 12, 2012 by Garret

statistics
Research reports a correlation of +0.8 between math achievement and math aptitude it also reports a correlation of -0.8 between math achievement and a math anxiety. Which interpretations is most c?orrect
September 5, 2012 by Gee

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 graphic calculator, the ...
March 2, 2008 by Sharon

Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...
September 2, 2012 by Carla Lopez

How to get quick responses to your math questions
Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail on which branch of ...
May 25, 2013 by MathMate

math
In a local college, 60% of the math majors are women. Fifteen math majors are chosen at random.
September 21, 2010 by michelle

explaining math problems
It is hard for me to figure out it the math sentence is + - x divide. What list of words am I looking for to find out the promblem in a math problem sentences. And what free websites can I go online and quiz myself if I am getting it. thank you avie
September 15, 2008 by Avie

English Grammar
He is a math teacher. He is a Math teacher. Do I have to capitalize Math or not? are both OK?
March 21, 2008 by John

English
Choose the sentence that is written in active voice. A. The math problems were given to the students. B. The students were taking a math test. C. The math test was given by the instructor. D. The math test grades were given to the students. B
June 24, 2014 by Angela

math
You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent decrease in minutes of math worry will you experience this year? please explain and show work.
July 1, 2014 by Johnny

statistics
At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry or...
October 3, 2009 by Sharon

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 dont let me wat do i do?
February 21, 2010 by joclyn

math
On the last math quiz, there were four A's, two B's, five C's, and one D's. If the math quizzes were returned to the students in random order, what is the probability that the first quiz returned to a student was an A or a B?
April 24, 2012 by Anonymous

math
so i got a math work sheet and i cannot figure out the math puzzle and to get the answer you have to do the work but i need help. Does anyone know what the answer to what did the spanish farmer say to his chicken is?
August 21, 2012 by Megan

math
The math team spent $10 for the cake mixes and $4 for the cupcake paperliners. They sold 78 cupcakes at .75 each. What operations wi the math team use to determine their profit after playing for the mixes and liners?
April 5, 2011 by Jackiee

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)
September 15, 2009 by Isabel

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? Thanks in advance for ...
January 29, 2011 by helper

Math
How do I express these in scientific notation AND Log10 form? 1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4) 10^-45 5) 8^2.34 I will be happy to critique your work here. Most of these require conversion. Do the math, and let your calculator do the log10 form. ...
January 21, 2007 by Carl

Math ---Helper
Helper I really need ur help with some of my math questions down below, ur the best math tutor on here, need ur help please.
January 13, 2011 by Mathew

English
1. I got a C- on the math test. Reading: C - : C minus (right?) 2. The math problems are difficult to solve. 3. The math questions are difficult to solve. ------ Are both OK?
June 21, 2014 by rfvv

statistics
At a certain college, 15% of the students received an A in their required math course, 10% received an A in their required Chemistry course, 5% received an A in both. A student is selected at random. a.) What is the probability tha he receieved an A in either Chemistry or Math...
October 2, 2009 by Sharon

Math
can you help me with the homework that I am doing right now that is math 4th grade work.Also I need the answers 16/36 We can help, but we wont provide answers. You have to work for them. bobpursley on Tuesday, January 16, 2007 at 7:12pm in response to Math.
January 16, 2007 by Nakia Johnson

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