1. Algebra

    How would you prove this theorem: The column space of an m x n matrix A is a subspace of R^m by using this definition: A subspace of a vector space V is a subset H of V that has three properties: a) the zero vector of V is in H. b) H is closed under vector

    asked by Min on June 19, 2007
  2. math

    If A^TA is an invertible matrix, prove that the column vectors of A are linearly independent. You know that if statement X implies statement Y then that is equivalent to Not(Y) implies Not(X). You can start by taking the column vectors of to be linearly

    asked by mathstudent on January 8, 2007
  3. linear(hw check)

    determine if v1= [ 2 1 0] v2=[ -1 1 3] v3=[ 0 -1 6] spans the vector space of rows with three real entries which has dimension 3. so I wanted to make sure I did this correct. First I created a matrix with v1,v2,v3 as the columns (so for example column 1= 2

    asked by kirsten on March 4, 2015
  4. Algebra II-Please check calcs

    Could someone check this matrix calculation The first matrix dimension is 1 by 3 row 1 = 1 row 2 = 7 row 3 =3 Second matrix is 1 by 3 Row 1 column one =2 row 1 column two = -5 row one column three = 5 my calculation is that it would be the dimensions of 3

    asked by Ray Scholz on January 26, 2011
  5. algebra

    Let A be an m×n matrix and b ∈ R m. Prove that the system of equations Ax = b is inconsistent if and only if there is a leading term in the last column of row echelon form of the augmented matrix

    asked by sowmya on February 8, 2018
  6. algebra

    When i have a matrix 4 X 4 and i have to multiply it by a 4 X 3 i know that the product size has to be a 4x 3 so do i do a row times column or how ? It's easiest to learn using the notations for tensors. For any matrix X denote the entry in the i-th row

    asked by student on June 17, 2007
  7. math

    Prove that if A is a symmetric n x n matrix, then A has a set of n orthonormal eigenvectors. http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm I've read the entire page and while it's on the correct topic, it doesn't prove what

    asked by mathstudent on January 19, 2007
  8. Java programming

    can anybody help me.. Multidimensional Array Use a two-dimensional array (for example of 3 by 3) to simulate the addition operation of two matrices. Sample output: the first matrix: 1 2 3 1 0 1 1 2 1 the second matrix: 1 1 1 2 2 2 3 3 3 The total of two

    asked by noh on April 14, 2013
  9. math,algebra II

    I have to work with these types of problems dealing with matrises can someone show me how to solve them.Heres one of them: Directions: Find the values of the variables in each equation in the first matrix it looks like this a+2 3z+1 5m 4k 0 3 then theres a

    asked by jas on June 6, 2007
  10. Math

    Mark each of the following True or False. ___ a. All vectors in an orthogonal basis have length 1. ___ b. A square matrix is orthogonal if its column vectors are orthogonal. ___ c. If A^T is orthogonal, then A is orthogonal. ___ d. If A is an n*n symmetric

    asked by Melissa on January 2, 2011
  11. Math

    Fine the size of the following matrix and its additive inverse matrix. Identify if it is a square, column, or row matrix: [ 2 -3 7 1 0 4 ]

    asked by Jeff on November 25, 2010
  12. science

    1 A ……... is a rectangular array of numbers that are enclosed within a bracket . horizontal set vertical matrix 2 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n. Then is called….. a square matrix a column

    asked by sunday on March 15, 2014
  13. linear algebra

    1)If A is an invertible matrix and k is a positive integer, then (A^k)^-1 = (A^-1)^k note: ^ stand for power, -1 stand for inverse of A 2)If A is an invertible matrix, then (transpose of A)^-1 =transpose of(A^-1) 3)Prove A^2 = A, then I - 2A = (I - 2A)^-1

    asked by soasi piutau on April 13, 2012
  14. 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
  15. math

    I AM VERY BAD AT MATH , CAN SOMEONE PLEASE HELP ME !? PLEASE PLEASE The chart below shows the average number of movies seen per person in selected countries. A chart is shown with 2 columns.The first column is titled Country. The second column is titled

    asked by sister snapped on April 1, 2019
  16. Algebra

    The chart below shows the average number of movies seen per person in selected countries. A chart is shown with 2 columns.The first column is titled Country. The second column is titled Average number of movies a person sees in a year. Row 1: Turkey space

    asked by lyssa on April 18, 2017
  17. 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
  18. Math Calculus

    The Image Theorem: The image theorem, a corollary of the intermediate value theorem, expresses the property that if f is continuous on the interval [a, b], then the image (the set of y-values) of f on [a,b] is all real numbers between the minimum of f(x)

    asked by Desperate on September 24, 2008
  19. Algebra II -Please help

    Assign each letter and a blank space to a number as shown by the alphabet table. 0=_ 1=A 2=B 3=C 4=D 5=E 6=F 7=G 8=H 9=I 10=J 11=K 12=L 13=M 14=N 15=O 16=P 17=Q 18=R 19=S 20=T 21=U 22=V 23=W 24=X 25=Y 26=Z use matrix [1 -2] -3 7 and encode the phrase "One

    asked by Cassie on April 7, 2014
  20. computer science

    Python 3 For this option, you will first ask "how many rows?", and get a positive integer from them. Next, you will ask "how many columns?", and get another positive integer from them. The next step is to ask for an alignment of each column. They will

    asked by sand on October 29, 2012
  21. geometry

    1)given-AB=CD,CD=EF prove-AB-EF (in 5 steps that show why it is corect; i.e two-column proof) 2)Given-

    asked by jessica on November 9, 2008
  22. matrix, linear transformations

    Morning, Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following matrix for each of them: g={{4,0},{0,6}} h={{1,2},{0,1}} k={{0,1},{1,0}} So ive been asked to prove the linear transformation

    asked by Anon on February 25, 2017
  23. math , help

    can someone show me how to solve this: directions: pivot once as indicated in each simplex tableau. Read the solution from the result. the number that is highlighted is row 2 column 3 which is the 5 the matrix is a 4 X 8 under column one it reads as:

    asked by jas on June 13, 2007
  24. math

    I need help with this one... Thanks!!!! Prove the following statement: When you add the identity matrix to a nilpotent matrix it is invertible.

    asked by manny on September 5, 2007
  25. Geometry

    5. What theorem do Exercises 1-4 prove? (1 point) Triangle Inequality Theorem Converse of the Angle Bisector Theorem Angle Bisector Theorem Triangle Midsegment Theorem

    asked by Anonymous on January 1, 2011
  26. linear algebra

    Hello, how can I proof the next theorem? I have a linear transformation T(X) that can be express as T(X)=AX and A is an orthogonal matrix, then ||T (X)||=||X|| , I was doing this: ||T (X)||=sqrt() But I don't know what to do with the orthogonal matrix..

    asked by Mery on January 29, 2017
  27. math

    Show that if x is a nonzero column vector in R^n, then the nxn matrix: A = I - 2/||x||^2 * xx^T is orthogonal. Notation key: ||x|| = norm of x x^T = transpose of x I = identity matrix. Let me try to convince a math student to use "physics" notations that

    asked by mathstudent on January 13, 2007
  28. algebra-det.

    a) Suppose that B is an n ¡Á n matrix, and k is a scalar. Give a formula for det (kB) in terms of det B . b) Show that your formula from (a) is true for all n and for any k. det (kB) = k^n det B This is because the determinant is a multilinear function

    asked by Vidal on June 10, 2007
  29. Math

    Hi! I need help with these two questions. Thanks! :) 1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other matrix, Matrix B (which is 3 x 4 matrix)? True Or False? 2.) When we multiply the 6 x 3 matrix by the 3 x 1 matrix, the final matrix

    asked by Emily on March 26, 2015
  30. math

    Prove that if A is a diagonalizable matrix, then the rank of A is the number of nonzero eigenvalues of A. http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm I've read the entire page and while it's on the correct topic, it

    asked by mathstudent on January 19, 2007
  31. Lin. Alegra Help

    Suppose that you are given the following system of linear equations [variables are x1, x2, x3 and x4] x1 + 3x2 + 9x3 + 2x4 =5 x1 + 3x3 - 4x4 =5 x2 + 2x3 + 3x4 =-1 -2x1 + 3x2 + 5x4 =-1 Let b be the vector such that B = [A b] , and let a1, a2, a3 and a4 be

    asked by V. on May 16, 2007
  32. maths

    Theorem B: Taylor's Formula with Remainder ,? can someone please help me prove this theorem B for (a) the special case of n = 3, and (b) an arbitrary n.

    asked by sel on March 16, 2010
  33. chemistry

    Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2:

    asked by Joseph on April 14, 2008
  34. algebra

    For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below. Use the code [1,-2_-3,7] encode the phrase "ONE QUESTION TO GO" The matrix C=[1,-2_-3,7] was used to encode a phrase to

    asked by lee on April 2, 2013
  35. Math

    I'm kinda confused with this problem. We're working with imaginary numbers. Is my work correct? Compare the quantity in Column A with the quantity in Column B. Column A = |3 - 2i| Column B = |5 - i|

    asked by SaraH on March 19, 2019
  36. Matrix

    How do you solve for this matrix. X*X^t=0? What matrix times its tranpose is zero? If we use the usual notation: A_{i,j} for the element at the i-th row and j-th column then, if we put: A = X X^(T) ----> A_{i,j} = X_{i,k}[X^(T)]_{k,j} = X_{i,k}X_{j,k} here

    asked by Dre on December 7, 2006
  37. Linear Algebra

    (a) Show that if A is an m x n matrix and A(BA) is defined, then B is an n x m matrix. (b) Show that if A has a row of zeros and B is any matrix for which AB is defined, then AB also has a row of zeros. (c) Find a similar result involving a column of

    asked by Chris on September 15, 2009
  38. Algebra

    Can you have a 1 column matrix.

    asked by Lexi on August 21, 2014
  39. Geometry

    Write a two-column proof. Given: 7y=8x-14; y=6 Prove: x=7 I need help making a two-column proof with the statements and the reasons, please! Thank you! ( This is what I have so far) Statements | Reasons 1. 7y=8x-14;y=6 | Given 2. 7(6)=8x-14 | Substitution

    asked by Unknown on September 7, 2016
  40. Math

    Given the following matrix A, find an invertible matrix U so that UA is equal to the reduced row-echelon form of A: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. A = 3 3 9 −6 3 3 9 −6 −2

    asked by valarie on October 21, 2018
  41. Econometrics

    Consider the linear model yi = xiB + e = B1 + B2xi2 + ... + Bkxik + ei, i = 1, ..., n, or in matrix notation Y =XB + e. Consider the linear model X = Z pie + u where Z is a matrix n * m, X is a matrix n * k and pie is a matrix m * k. Assume that 1. E

    asked by Joy on August 31, 2013
  42. Ed Tech

    4. After creating a column heading and/or typing text within a column, what must you do to move text to the next column? (1 point) Add a column break. Select the next column and start typing. Highlight the next column. Change the page orientation.

    asked by Mya Smith on September 7, 2016
  43. Ed. Tech

    After creating a column heading and/or typing text within a column, what must you do to move text to the next column? A. Add a column break B. Select the next column and start typing C. Highlight the next column D. Change the page orientation Is the answer

    asked by Daisy on September 7, 2014
  44. Tech

    4. after creating a column heading and or typing text within a column what must you do to move text to the next column? Add a column break select the next column and start typing** highlight the next column change the page orientation

    asked by ?? on September 15, 2015
  45. educational technology

    4. After creating a column heading and/or typing text within a column, what must you do to move text to the next column? a.) Add a column break. •• b.) Select the next column and start typing. c.) Highlight the next column. d.) Change the page

    asked by Jonie on November 10, 2016
  46. 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
  47. calculus

    Suppose that f(x) is bounded: that is, there exists a constant M such that abs(f(x)) is < or equal to M for all x. Use the squeeze theorem to prove that lim x^2f(x)=0 as x approaches 0. if g(x) is Mx^2 then what is f(x) and h(x) according to the squeeze

    asked by Nayyab on January 31, 2011
  48. LINEAR ALGEBRA

    How to prove or disprove (a)if A has a zeronentryonthe diagonal then A is not invertible (b)if Ais not invertible then for every matrix B, AB is not invertible (c)if A is a nonzero 2X2 matrix such that A^2+A=0, then A is invertible

    asked by LEON on October 24, 2010
  49. mat advance analysis

    True or False: If a|b and a|(b + 1), then a = ±1. [NOTE: Use this Theorem 3: If a|b and a|c, then a|(bx+cy) for any integers x and y. PROOF: Since a|b, there is an integer u such that b = au. Since a|c, there is an integer v such that c = av.

    asked by nathalie on October 14, 2016
  50. MATHS----Matrix

    For a given square matrix A the predicted values of matrix B are: predicted B=A(A'A)^(-1)A'B why is the matrix C=A(A'A)^(-1)A' an idempotent and symmetric matrix? and is this matrix invertible?

    asked by Lisa on September 8, 2010
  51. Science

    This is what the chart talks about. A Melt 1 cup of butter chop an onion mix ingredients in a large bowl B Brown the meat in a frying pan boil 6 eggs bake at 350 degrees kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe

    asked by Valerie on October 20, 2017
  52. algebra

    For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below. Use the code [1,-2_-3,7] encode the phrase "ONE QUESTION TO GO" The matrix C=[1,-2_-3,7] was used to encode a phrase to

    asked by lee on April 4, 2013
  53. math

    Do a two column proof. Given: HI=FG Prove: GH>FI If FGI is a triangle,and GIH is a triangle, and they both share a common side, GI, and FIH is a straight line, how do you prove the answer?

    asked by Ryan on December 17, 2012
  54. Algebra NEED HELP PLEASE

    If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove

    asked by Anonymous on December 5, 2013
  55. Algebra

    If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove

    asked by Anonymous on December 5, 2013
  56. Geometry

    If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove

    asked by Anonymous on December 5, 2013
  57. Math

    How do we know the ith of an invertible matrix B is orthogonal to the jth column of B^-1 , if i is not equal/unequal to j?

    asked by Nolan on December 8, 2010
  58. 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
  59. math

    This is a matrix question. R is the matrix (3r 1) (s 2s) 1. State, in terms of s and r the determinant of R 2. If r=1/3 and s=4 determine the inverse of R 3.State the pair of r and s not including 0, which would make the matrix R a singular matrix

    asked by lindsay on April 1, 2013
  60. math

    This is a matrix question. R is the matrix (3r 1) (s 2s) 1. State, in terms of s and r the determinant of R 2. If r=1/3 and s=4 determine the inverse of R 3.State the pair of r and s not including 0, which would make the matrix R a singular matrix

    asked by lindsay on April 1, 2013
  61. Linear Algebra

    Demonstrate that matrixes M(2x2) with the sum of matrixes is a vector space. I am confused. Do i need to demonstrate each propertie (distributive, associative, etc) for the sum of matrixes or I only need to prove that the sum of matrixes results into

    asked by May on March 19, 2019
  62. geometry

    8. Error Analysis. Find and Correct ALL 3 of the errors in the proof.( 3 points) Given: m||n Prove: m

    asked by abc on October 8, 2018
  63. Math

    Let f(x) = 2x + 1 − sin(x), how many roots does f(x) have in the interval [−π, π]? Use the next steps to prove that it has only one root. a) Use the Intermediate Value Theorem to show that f(x) has at least one root. (b) Explain why f(x) is

    asked by Paula on February 9, 2015
  64. Linear Algebra

    Let A be a diagonalizable n x n matrix. Prove that if B is any matrix that is similar to A, then B is diagonalizable

    asked by Anonymous on April 27, 2011
  65. geometry

    Point M is the midpoint of AC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2c + 2c, d) (2b + c, d) 2. Point N is the midpoint of BC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2a + c, d) What theorem do Exercises 1-4 prove? (1

    asked by brooklynn on December 15, 2011
  66. Algebra 2

    I need to know if I did this problem correctly: 5. Solve for x in |x - 3| >8 Work: |x - 3| >8 |x| > 8 +3 Anwer= x > 11 I also need help with these 2: 15. Comepare the quantity in Column A with the quantity in Column B. Column A- slope of y = 2x +2 Column

    asked by mysterychicken on April 19, 2011
  67. Calc

    A video games shop is analyzing its sales performance using matrices. Matrix A contains the unit sales data for each product category (horizontally) per week (vertically). Matrix B contains the unit sales data for weekends for each category (horizontally)

    asked by Chris on April 25, 2013
  68. physics

    a mercury column in a simple barometer at a height of 75.9cm. An amount of pure water is introduced into the barometer column and form a 1.20cm layer on top of mercury. The mercury column now stand at height of 78.08cm . what is the pressure in the space

    asked by temi on June 22, 2018
  69. geometry

    Construction: The midpoint of a line segment can be constructed. Theorem: If the consecutive midpoints of the sides of a parallelogram are joined in order, then the quadrilateral formed from the midpoints is a parallelogram. Write an essay (suggested

    asked by carolyn on July 10, 2014
  70. science

    kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe into two columns. How would you label each column? A.) Column A shows sublimation; column B shows vaporization B.) Column A shows vaporization; column B shows

    asked by jj on May 2, 2016
  71. College Math : Linear Algebra

    Suppose A is a square matrix satisfying the equation A^3 - 2I = 0. Prove that A and (A - I) respectively are invertible. (the hint is to find an explicit equation for A^-1. To prove A is invertible, this is what I did although I don't that it's right: A^3

    asked by David on February 9, 2010
  72. linear algebra

    which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for

    asked by chris on July 19, 2007
  73. Calculus

    Verify the hypothesis of the mean value theorem for each function below defined on the indicated interval. Then find the value “C” referred to by the theorem. Q1a) h(x)=√(x+1 ) [3,8] Q1b) K(x)=(x-1)/(x=1) [0,4] Q1c) Explain the difference between the

    asked by Daniella on November 3, 2012
  74. organic chemistry

    1. Predict the order of elution of a mixture of triphenylmethanol, biphenyl, benzoic acid, and methyl benzoate from an alumina column. You may need to examine the structural elements in each compound. 2. Once the chromatography column has been prepared,

    asked by DONT UNDERSTAND!! on September 20, 2015
  75. Math

    Directions: Use the following matrix to perform the elementary row operations sequentially. A=[3 2 |8] [5 2 |12] 1.) (1/3) R1 From the original matrix 2.) -5R1+R R2 From matrix in question 1.

    asked by Holly on March 23, 2015
  76. Algebra

    Given the following vector X, find a non-zero square matrix A such that AX=0: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. X= 2 -8 6 A= _ _ _ _ _ _ _ _ _ Please help, I do not understand this..

    asked by sal on October 13, 2018
  77. Maths: Algebra Matrices Class 12th

    matrix{{0, 1, -1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, -1, x}} matrix{{0}, {1}, {1}}=0 Find the value of x Don't give me the direct answer. Please tell me how to go about this. Draw in your notebook and then solve

    asked by Akash on April 11, 2011
  78. calculus

    A) How do you prove that if 0(

    asked by Sarita on April 4, 2010
  79. geometry

    Write a two-column proof of Theorem 6-2-3, which is: If a quadrilateral is a parallelogram, then its consecutive angles are supplementary.

    asked by Lauren on November 15, 2011
  80. Math

    When you are multiplying a 7 x 3 matrix by a 3 x 2 matrix, what would the resulting matrix be of which order? Write your answer is a x b form.

    asked by Tonya on April 9, 2015
  81. Geometry

    a baseball diamond is a square wiht 4 right angles and all sides congruent. wrte a two column proof to prove that eh distance from first base to third base is the same as the distance from home plate to second base. write a two column proof to prove that

    asked by Me on February 17, 2013
  82. maths

    2 . Put the following macroeconomic model into matrix format using Y, C and T as the variables and find the determinant of the matrix of coefficients. There is no need to solve the equations. Y = C + I C = a + b (Y – T) T = tY Kindly help me with

    asked by Asfand on November 30, 2016
  83. Algebra II

    I skipped algebra I so I never learned about matrices. If you had a 2X3 matrix & multiplied it by a 3X2 matrix, what size would the product matrix be? Would it be a 3X3? Is there any way to know? I have a test monday and i want to make sure I know this.

    asked by Sammy on September 16, 2007
  84. Geometry

    Could anyone tell me if this question is correct? 2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear.

    asked by Jazy on May 28, 2014
  85. keybording and word processing

    7. to adjust a column's width in a table, you should? a. click on the TABLE menu and select AUTO FORMET, b. HIGHLIGHT the column to be adjusted, c. set apprppriate cell alignment for the column d. use the mouse to drag the column border either left or

    asked by Raksha on June 9, 2008
  86. Finite Math

    Solve the matrix equation AX =B for X using: A= [ 2 -3] B= [4 ] [ 1 5] [2 ] (theres a blank space between the 4 and the 2)

    asked by Mike on July 23, 2009
  87. Linear Algebra

    Fnd the left null space of matrix A = [5 -3 1] [-2 4 -6] [11 -8 5]

    asked by Sharon on March 17, 2014
  88. GEOMTRY

    I REALLY NEED HELP IN THIS 2 COLUMN PROOF Complete the two-column proof. Given: is complementary to . bisects . Prove: is complementary to .

    asked by SARAH on October 1, 2017
  89. matric

    Let matrix p= [6 -4] 1 0 If where a and b are real numbers, I is a identity matrix and 0 is a null matrix, find a and b.

    asked by siti on December 2, 2012
  90. math

    Let A be an orthogonal non-singular matrix of order 'n', then the determinant of matrix 'A-I', i.e., |A-I| (where I is identity matrix) is?

    asked by Priyansh on May 21, 2019
  91. maths

    how to prove theorem 4 and 5

    asked by ram.kgo on August 22, 2014
  92. maths

    prove that 1+x < e^x < 1+ xe^x for x>0 using the mean value theorem

    asked by lara on December 9, 2009
  93. Math

    Write a two column proof. Given: 7y = 8x - 14; y = 6 Prove: x = 7

    asked by Carrie on September 29, 2014
  94. geometry

    Write a two-column proof. Given: 7y = 8x – 14; y = 6 Prove: x = 7

    asked by Joel on October 12, 2012
  95. geometry

    complete the two-column proof given: x/6+2=15 prove: x=78

    asked by Ryan on November 27, 2011
  96. math

    Write a two-column proof Given: 7y =8x =14; y=6 Prove: x=7

    asked by hi on September 28, 2016
  97. Geometry

    Hello! Thanks for checking my question out! ____ Use the Corresponding Angles diagram to answer the question. Diagram URL (remove spaces so that it can work): h t t p s : / / p r n t . s c/ g v v 9 k q 2. Which can be used to directly prove that ∠1 ≅

    asked by Da Fash on October 10, 2017
  98. meme

    Consider the system of equations A ⊗ x = b where (i) A ∈ R m×n max , x ∈ R n max, b ∈ R m max and Rmax = R ∪ {−∞}, (ii) ⊗ denotes the max-plus matrix (or matrix-vector) product based on the arithmetic operations of ”addition” a ⊕ b

    asked by twnkal eshaal on August 21, 2015
  99. Probability

    A large governmental survey of dental care among children 2 to 17 years old found the following distribution of times since last visit to the dentist: (1st column)Time since last visit (1st column)6 months or less (1st column)>6 months but no more than 1

    asked by Mi on April 28, 2016
  100. Algebra

    1. Compare the quantity in Column A with the quantity in Column B. Column A slope of y = 2x +2 Column B slope of 2y = 3x +9 Answer-Column A is greater 2. |x-4| < 3 Answer- 1< x < 7 3. Solve for x in 3x + 4 =28 Answer-8 4. An algebraic ___________ has an

    asked by lizzie on August 7, 2011