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Math - determinants

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Why are finding determinants important? Aside from Cramer's rule when are determinants used?

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 ...

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

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...

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

health care
what is determinants of respiration?

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 ------------------------------------- ...

Is it true that societal health determinants are predicated on policy?

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 (:

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

Good day! I actually just have one question and I have been looking at links and everything, but i still don't understand>>>>... "What abiotic factors seem to be the greatest determinants of terrestrial biome locations?"

The practice of working with school age children
Which of the following are the major determinants of physical growth and development? A. Food, TV, and technology B. Heredity, parents, and school C. Intelligence, cleanliness, and aggression D. Nutrition, emotional well-being, and culture D.

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...

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

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 |

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?

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.

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...

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 ...

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, ...

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...

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...

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 |...

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...

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 ...

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...

I'm worried about my math. 1. Why don't you buy a math self- teaching book and solve math problems a lot. 2. Why don't you buy a math self-study book and solve math problems a lot. 3. Why don't you go to a math academy and study math more? 4. Why don't ask your brother to help...

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, ...

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

What is temperature when you do math. In seventh grade math is hard and I don't understand what my teachers tell me they say that it is easy but i don't think it is i need a lot of help during math it used to be my favorite subject but now its not

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 ...

math In a class of 50 students it was found 21 are taking English 14 are taking Math 28 are taking History 7 are taking Math and English 10 are taking Math and History 11 are taking History and English 3 are taking all three courses 1.)Make a Venn Diagram summarizing these ...

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?

A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this

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?

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.

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?

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 ...

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?

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...

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 -- ...

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, ...

Coporate Finance
Exotic Cuisines Employee Stock Options As a new graduate, you've taken a management position with Exotic Cuisines, Inc., a restaurant chain that just went public last year. The company's restaurants specialize in exotic main dishes, using ingredients such as alligator, buffalo...

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

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?

forgot my math book at school, i need the questions saxon math grage 6 lesson 14

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?

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 ...

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

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?

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

Tips Plz
Can you plz tell me some studying tips for math. How can i study math? is not like the other subject that i can just read through and memorize it. Math is hard to study because i know know how to study math when i have a upcoming test. Plz give me tips on how to study math and...

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..

I need a little help on my math.Lesson 5: Square Roots and Irrational Numbers Math 7 B Unit 2: Measurement. on CONNECTIONS ACADEMY. PLEASE :-(

Thank you for yoiur help. 1. Emily in in math class. 2. Emily is in a math class. 3. Emily is in a math classroom. ================ #1 mean that Emily is learning math from a math teacher. Am I right? #2 and #3 are the same, aren't they? #1 and #2 are not the same in meaning?

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.

A math book is .78 centimeters thick. What is the width of 21 math books on a shelf?

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?

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

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...

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

on Tuesday, elena completed 20 of her math homework in 36 minutes. At that same rate, how long will it take her to complete 35 items for wendy's math home work

True or false 1. (A^3)^2= A^9 2. (4^3 x 5^2)= 20^12 3. (B^9)^2 = (b^2)^9 4. -11^2= -121 5. (C^2)^3= C^8 6. (3^2 x 9)^3 = 3^12 7. (2 + 3)^3= 5^3 8. (4+5)^3= 4^3 + 5^3 Simplify each 1. A^4 x a^7 2. B^3 x b^4 x b^5 3. c^4 x c^4 x c^8 4. (3d^3) (2d^6) (4d^9) 5. (5e^5) (-4e^4) 6. (...

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 ...

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?

In a fraternity with 38 members , 18 take math, 5 take both math and literature and 8 take neither math or literature. how many take literature but not math? I came up with 16 is that correct or am i lost ?

math math math .
The coefficient of the first term in the polynomial 2x^2y+3xy-1 is _?_

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!!!!!!

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?

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.

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.

On average it takes Miguel 45 minutes to compete his math assignments and 30 minutes to complete his science assignments. If he had 24 math assignments this grading period , what was his total minutes spent on math ?

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 ...

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 ...

how would you simplify (ab)to the 5th power ?

math math math
what are the formulas for the area and circumfrence of a circle

im ateacher math ( arabian) want to learn amerecan math

a math class has 50 students , of these 22 students are math majors and 18 students are male. Of the math majors 16 are female. Find the probability that a randomly selected student is male or a math major . my answer 22/50 and 18/50 = 396/50= 7.29

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 ...

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?

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

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

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

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?

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?

Kin has finished eight of the ten math problems. Phil has finished 2/5 of the math problems. How much more of the math has Kim finished?

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.

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?

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?

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.

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

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

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

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.

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?

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).

This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class? b. What fraction of ...

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 ...


What does the math term XOR stand for in math?

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