# Provide an appropriate response. Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B? A) A is a row

18,800 questions
1. ## Algebra

Provide an appropriate response. Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B? A) A is a row matrix and B is a column matrix. B) A and B have the same dimension, but

asked by sandy on July 30, 2018
2. ## Math

I have a few questions about T-Matrix. In excel, I am suppose to work with powered matrices to construct a weighted T matrix, using a scalar of .7. Does this mean I multiply each of the powered matrices by .7? Or do I power the powered matrices by .7? Or

asked by Lisa on October 13, 2010
3. ## Math

Suppose C and D are 2 × 2 matrices with det(C) = −3 and det(D) = 2. Find the determinant of the matrices 8C^3D2 and 5 C^-1

asked by Amelia on December 3, 2017
4. ## linear algebra

if: A and B are matrices and A^2 is similar to B^2 Is A guaranteed to be similar to B? ------- Matrix similarity means that the matrices are identical if one of the matrices is converted to another basis. If matrices C and D are similar: C = P^-1 * D * P

asked by mathstudent on July 20, 2007
5. ## matrices

Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication

asked by Yadlay on April 13, 2010
6. ## math

Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication

asked by yadlay on April 15, 2010
7. ## math

Which of the following subsets of the vector space Mnn are subspaces? (a) The set of all n × n symmetric matrices (b) The set of all n × n diagonal matrices (c) The set of all n × n nonsingular matrices

asked by kirsten on February 25, 2015
8. ## normal distribution

in new york city the average response time for calls to the first depatrment is a bout 5 minutes with a standarrd deviation of 1.5 minuties suppose response follow a normal distribuation. 1-what is the probability that a response time exceeds 9 minutes/

asked by malak on October 16, 2014
9. ## statistics

in new york city the average response time for calls to the first depatrment is a bout 5 minutes with a standarrd deviation of 1.5 minuties suppose response follow a normal distribuation. 1-what is the probability that a response time exceeds 9 minutes/

asked by malak on October 16, 2014
10. ## 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

asked by James on November 16, 2006
11. ## maths

If two matrices are known and are inverse of each other.How can we use these matrices to find the point of intersections for the given set of 3D planes? Kindly help

asked by Asfand on July 16, 2016
12. ## Algebra II

Can a matrix have a two digit number? I have to add the matrices[3 4] +[2 7] [7 6] +[3 8] Sorry this is the only way I know haw to put matrices on the board.

asked by JaneLee on October 27, 2007
13. ## Math

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

asked by Amanda on October 29, 2008
14. ## Linear Algebra

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

asked by Amanda on October 29, 2008
15. ## Linear algebra

find the inverse of the following matrices if they exist. [1 -2 3] [3 1 0] [-2 1 1] the following represent a 3 x 3 matrices

asked by ZUkii on November 21, 2011
16. ## Math

Can someone check my answer? Given matrices A,B, and C are all 2 x 2, determine whether the equation is true for the given matrices. C(A+B) = AC +BC My answer: False Matrix multiplication is not commutative. My answer: true For matrices, A + B = B + A My

asked by Natti on December 22, 2018
17. ## Data management

Problems solving with Matrices [-3 1] * [ 4 7 0] 2 5 -3 -5 1 I'm stuck with this matrices. Please help me~~

asked by Helen on July 23, 2015
18. ## Psychology Observations

Observations • Write a 200- to 300-word response to the following: How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality? Provide an example

asked by Cynthia Williamson on August 14, 2010
19. ## Mathematics

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

asked by INDIANA on July 10, 2012
20. ## Mathematics

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

asked by INDIANA on July 12, 2012
21. ## Mathematics

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

asked by SAMARA on July 16, 2012
22. ## Mathematics

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

asked by INDIANA on July 11, 2012
23. ## Mathematics

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

asked by Samara on July 20, 2012
24. ## biology

Anaphylaxis is especially life threatening because it has the potential to cut off airways and breathing. What is the physiological response that allows anaphylaxis to occur? How and why does epinephrine (also known as adrenaline) counteract this response?

asked by Anonymous on February 2, 2011
25. ## philosophy

I have to write a paper on the below posted question. Can anyone explain me what might i need to do in it. 1) Set out the problem of evil as clearly and completely as possible. Be sure to distinguish between moral evil and natural evil and to discuss the

asked by mas on September 21, 2011
26. ## Math: matrices

If A and B are both square n x n matrices, If AB = I, prove BA = I Presumably you have to do this without using the usual properties of the inverse of matrices. But we do need to use that if there exists a matrix B such that A B = I then the equation A X =

asked by mathstudent on December 4, 2006
27. ## philosophy

Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it

asked by Carnita on June 19, 2011
28. ## hilosophy

a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it

asked by Dawn on October 20, 2011
29. ## phi 200

Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it

asked by Tubby on June 14, 2012
30. ## Psychogy

1. CheckPoint: Eating—What, When, and How Much • Post a 100-to 150-word response to the following: After reading section 10.3, Factors that Determine What, When, and How Much We Eat, in the text, does your personal experience support these concepts?

asked by Anonymous on December 16, 2009

Post a 150-200 word response to the following question: Internet search engines, such as Google and Bing, have a great deal of influence and control over how we access information online. A new term, search neutrality, proposes that search engines should

asked by ariel on November 30, 2012
32. ## phi 200

Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an

asked by Anonymous on November 28, 2011
33. ## Philosophy

Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an

asked by edwina on July 24, 2011
34. ## philosophy

Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an

asked by tiffany on April 4, 2011
35. ## psychology

In class we were asked to provide an one example of classical and operant conditioning. We have to identify the stimulus, response and reinforcers in each example. here are my examples: Clasical Conditioning- My cat comes running everytime she hears the

asked by jenna on November 7, 2006
36. ## Literature

My homework questions says: "Write a letter to Marianne Moore, describing your response to "Poetry." Cite specific passages from her poem." I understand how to cite the passage, however, I can't think of how to really "respond" to her poem. Could you maybe

asked by Sagae on October 1, 2014
37. ## psychology

In class we were asked to provide an one example of classical and operant conditioning. We have to identify the stimulus, response and reinforcers in each example. here are my examples: Clasical Conditioning- My cat comes running everytime she hears the

asked by jenna on November 6, 2006
38. ## math

What does it mean to have two matrix variables written vertically inside parentheses? In other words, if A and B are matrices, what does this mean (imagine there is one set of parentheses spanning both rows): (A) (B) I'm trying to understand a least

asked by sergei on January 7, 2009
39. ## math

step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

asked by swendy on October 18, 2011
40. ## math

step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

asked by swendy on October 18, 2011
41. ## algebra-math

Make a preferred method of solving a system of linear equations and why. Which method do you prefer? Do you think that matrices make the process easier? Or do you prefer not to use matrices? Once again thank you for any help given on this.

asked by Mike on August 6, 2017
42. ## biology /check please

(stimulus v. response)? Which of the following is a stimulus, which is a response? Thanks 1)the recess bell ringing in an elementary school 2)your mouth watering at the sight of food on a plate 3)a sudden drop in air temperature 4) a flu virus entering

asked by joy on December 21, 2010
43. ## Math

Use a system of equations to find the quadratic function f(x) = ax^2 + bx + c that satisfies the equations. Solve the system using matrices. f(−2) = 4, f(1) = −2, f(2) = −12 The answer i got is f(x)=-2x^2-4x+8 this is the steps of how i got

asked by anonymous on April 9, 2019
44. ## Linear Algebra

Suppose C and D and 5x5 matrices and det(C)=5, det(D)=6. Compute the determinant of the matrix 3C^T (4CD)^-1 C^2. Justify your answer by stating explicitly which calculation rules for the determinant you use.

asked by Brody on March 5, 2014
45. ## managerial economics

Consider the one-shot, simultaneous move game below, and answer the accompanying questions: Player & Strategy Firm B Left Right Firm A Up 4,4 0,0 Down 0,0 2,2 (a)List the strategies for Firm A and Firm B (b)State the set of strategy profiles. (c)Suppose

asked by matherik on September 7, 2008
46. ## Math209

I am in a college level math class and we have a question that I am suppose to answer however I looked for this in our text and online and I am not finding a direct answer to it. Here is my question, What is the meaning of the word "parameters"? Please

asked by Trish on March 25, 2009
47. ## math 157

question #1 provide an approiate response. Write the next equation in the pattern 1+1=2 1+1+2=4 1+1+2+3=7 1+1+2+3+5=12

asked by Anonymous on July 18, 2010
48. ## jordan mattews

Post a 200- to 300-word response to the following: Provide a brief summary differentiating conservation and preservation. Do you believe that humans can harvest forest resources in an environmentally friendly way? Or, should national forests be left in

asked by Anonymous on April 23, 2009
49. ## Literacy

What types of questions are best for students comprehension?Defend your response and provide examples please help

asked by Anonymous on March 23, 2010
50. ## math

Suppose that you want to purchase a home for \$450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance \$1,000 is \$6.00. What are the monthly payments? \$ 1 .Viewing Saved Work Revert to Last

asked by Anonymous on August 20, 2012
51. ## Biology

How can temperature influence antibody-antigen response? Would an increase quicken the response and a decrease in temp slow the response?

asked by Mandy on August 25, 2008
52. ## Literature

My homework question says: "Write a response to Marianne Moore, describing your response to "Poetry." Cite specific passages from her poem." I understand how to cite specific passages, however, I am having trouble thinking of a way to "respond" to Marianne

asked by Anonymous on October 1, 2014
53. ## stat

A MAIL-ORDER FIRM HAS A CIRCULAR WHICH ELICITS A 10 % RESPONSE RATE. SUPPOSE 20 OF THE CIRCULARS ARE MAILED AS A MARKET TEST IN A NEW GEOGRAPHIC AREA. ASSUMING THAT THE 10% RESPONSE RATE IS APPLICABLE IN THE NEW AREA, DETERMINE THE PROBABILITIES OF THE

asked by siddhi on May 1, 2012
54. ## philosophy

State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it

asked by tiffany on April 4, 2011
55. ## Math

Matrices are as follows reading left to right: X=MatrixForm{{0,1},{1,0}} Y=MatrixForm{{0,-i},{i,0}} Z=MatrixForm{{1,0},{0,-1}} H=MatrixForm 1/sqrt(2){{1,1},{1,-1}} S=MatrixForm{{1,0},{0,i}} T=MatrixForm{{1,0},{0,exp(i(pi)/4)}} v=MatrixForm{{alpha},{beta}}

asked by Anon. on September 17, 2013
56. ## math

Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.

asked by kevin on August 28, 2007
57. ## statistics

Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.

asked by kevin on August 29, 2007
58. ## Health care Information System 2

Discuss ways that information systems could assist in preventing the problems. Provide specific examples to support your response

asked by Anita on October 16, 2012
59. ## Math

There are 18 animals in the barnyard. There are 50 legs. How many cows and how many chickens are there in the barnyard? Technically, I wonder if a chicken is an animal. And are chickens and cows the ONLY "animals" in the barnyard. If we assume a chicken is

asked by Miranda on November 27, 2006
60. ## SCI 275 Repost for Cindy

SCI 275 - Cindy, Monday, November 5, 2007 at 12:08pm Post a 200- to 300-word response to the following: Provide a brief summary differentiating conservation and preservation. Do you believe that humans can harvest forest resources in an environmentally

asked by Ms. Sue on November 5, 2007
61. ## Precalculus

Find the values of x and y. Matrices.. [-4 2 3 5 3 5 2 -3 1] TIMES [2 x 5] EQUALS [9 38 y] It is difficult for me to type the matrices in but.... The first matrix is 3x3 consisting of -4,2,3 in the first row.. 5,3,5 in the second row ......2,-3,1 in the

asked by Anonymous on May 21, 2014
62. ## Psy

How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality? Provide an example in your response.

asked by Fahren on July 19, 2008
63. ## finance

Refer to Figure 7-1 of Personal Finance. Why is it important to go through these steps when you are planning on making a large purchase? Provide at least one example to support your response.

asked by chris on May 25, 2011
64. ## MTH233/statistics UOP

You work for the public relations department of the Social Security Administration. In an effort to design better advertising campaigns, your department decides to conduct a survey to find out the opinions people in the United States have about the Social

asked by sue on August 7, 2010
65. ## Environmental Science

Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position.

asked by nikki on July 10, 2008
66. ## science

Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position.

asked by nik on July 10, 2008
67. ## Environmental Sci 275

· Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position.

asked by Kay on March 27, 2010
68. ## ENVIRONMENTAL SCIENCE

Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position. Please help!! If you can before thursday 11/6/08

asked by Lala on November 3, 2008
69. ## Computer Science - MATLAB

thanks mathmate. It's way above my head to. I got another question Consider the following two equations: x^2 + y^2 = 42 x + 3y + 2y^2 = 6 Define a symbolic equation for each, and solve it by using MATLAB's symbolic capability. Could you solve these

asked by Lee on July 20, 2011
70. ## Statistics

Fire department response time is the length of time it takes a fire truck to arrive at the scene of a fire starting from the time the call was given to the truck. Response time for Gabble Fire Department follows a mound shaped and symmetric distribution.

asked by Ivana on December 11, 2012
71. ## math

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. Identify an integer x for which 3x/4 represents a ratio greater than 3 : 1 but less than 4 : 1.

asked by Anonymous on October 4, 2009
72. ## math

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. Identify an integer x for which 3x/4 represents a ratio greater than 3 : 1 but less than 4 : 1.

asked by In great need of help on October 4, 2009
73. ## managerial economics

Players A and B are playing a simultaneous moves game and both can choose either strategy S1 or strategy S2. If both choose S1 both receive 0. If both choose S2 both receive -2. If their chosen strategies differ they both receive -4. (a)Write out a table

asked by matherik on September 7, 2008
74. ## Penn Foster

Would you please help me with these two questions on which i am not sure of my answers.? I marked my answers with a parenthesis. On the second question I can not make up my mind between c & d. Thank you for any assistance you can provide. waiting for your

asked by Esmeralda on April 9, 2012
75. ## Statistics

Direct mail advertisers send solicitations​ ("junk mail") to thousands of potential customers in the hope that some will buy the​ company's product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer and

asked by Iresse on September 22, 2016
76. ## Statistics

Direct mail advertisers send solicitations​ ("junk mail") to thousands of potential customers in the hope that some will buy the​ company's product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer and

asked by Iresse on September 22, 2016
77. ## MATH!

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom

asked by hmmm... on November 2, 2009
78. ## MATH!

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom

asked by hmmm... on November 2, 2009
79. ## Math

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom

80. ## intro to Psychology

I am working on some homework where I have to identify the unconditional stimulus, unconditional response, conditional stimulus, and conditional response. I am finding this very diffucult and didn't know if there was any one out there that could help me.

asked by Esther Johnson on February 14, 2007
81. ## Social studies

1. In the preamble of the constitution, to what does the phrase provide for the common defense refer? A. provide for a police force. B. Provide for the military. C. ensure liberty to future generations D. Provide money for scientific research. 2. what

asked by Miya on October 11, 2016
82. ## Math.

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom

83. ## Health care Information System, Question 2

Collecting Information Predict ways that the collection of patient information will become more efficient, expansive, and accurate during the next 20 years. Provide specific examples to support your response.

asked by Anita on October 10, 2012
84. ## Psychology

In response to hot temperature, your body will sweat reflexively. using Pavlov's terminology, the sweating in response to the hot temperature would be termed a(n): A. unconditioned stimulus (UCS) B. unconditioned response (UCR) C. conditioned stimulus (CS)

asked by Jazmine on December 6, 2015
85. ## Pre Calculas

7. For the function defined by: f(x)= {x^2, x1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations

asked by Bob on October 6, 2015
86. ## chemistry

Sixteen electrons are present in the Lewis structure of which of the following molecules? CO2 N2O SO2 more than one correct response no correct response If more than one correct response please show all correct answers thank

asked by Johnny on February 23, 2014
87. ## Calculus help

Direct mail advertisers send solicitations​ ("junk mail") to thousands of potential customers in the hope that some will buy the​ company's product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer and

asked by Anonymous on January 30, 2018
88. ## health

Post a 250- to 300-word response to the following: What are the major differences between inpatient and outpatient hospital services? Describe how these differences affect the coding process and provide examples.

asked by Nancy on September 10, 2010
89. ## science

Can someone describe how a sound wave travels through a medium to create sound. Can you also provide a descriptions of vibrations, longitudinal waves, compressions, rarefactions, and direction of movement in your response. That way I could understand it

asked by Carl on May 15, 2019
90. ## ELA

Determine the ideas that would be most worthy to share in a literary discussion about The Watsons Go to Birmingham-1963. Provide an explanation for your choices. How did the role you selected and the work you completed help you to understand more about the

asked by Peyton on December 11, 2015
91. ## chemistry

in which of the following pairs of compounds are both members of the pair molecular compounds? PCl3 and LiBr CCl4 and KOH NaH and CaF2 more than one correct response no correct response if more than one response please show all the correct answers thanks

asked by Johnny on February 23, 2014
92. ## English

11. How does Moishe the Beadle’s experience in the Galician forest change him? Your response should be at least one paragraph long. (2 points) 12. What is the irony of Elie’s and his neighbors' joy in leaving the hot ghetto? Your response should be at

asked by max on December 28, 2010
93. ## science

Post a 200- to 300-word response to the following: In your own words, summarize each of the major theories of biology. • Choose one theory and provide an example of how this theory relates to the news today. • Use at least one outside reference in

asked by k on January 15, 2010
94. ## math

matrices

asked by khadija on January 28, 2016
95. ## math

Why is (AB)^-1 = B^-1A^-1 in matrices, and not (AB)^-1 = A^-1B^-1

asked by katy on December 16, 2009
96. ## Hall

how do you do matrices

asked by Tiarre on December 19, 2007
97. ## Algebra 2

Provide an appropraite response. If y varies inversly as the 4th power of x and y=3 when x=2, what is y when x=0.5? If Q varies inversly as the sqaure root of R and Q=2 whe R=4, what is Q when R is 25?

asked by CC on July 6, 2011
98. ## Pre Calculas

7. For the function defined by: f(x)= {x^2, x1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations

asked by Ryan on October 6, 2015
99. ## statistics

A regular feature in a newspaper asks readers to respond via-E-mail to a survey that requires a yes or no response. In the following day’s newspaper, the percentage of yes response. In the following day’s news paper, the percentage of yes and no

asked by Delisha on January 31, 2011
100. ## math

A and B are two matrices. If A= 1 2 4 3 Find B given that A^2 = A +B

asked by kudu on February 6, 2015