In each case, determine a 3 × 3 matrix ? that fits the description. Justify that...

In each case, determine a 3 × 3 matrix ? that fits the description. Justify that the conditions are met in each case.

(a) Matrix ? has rank 1 and ? + ? is not invertible.

(b) Matrix A is symmetric and the null space of ? is a point.

Expert Solution

Colby Messinger answered 2 years ago

Choose the study design that best fits the following description: A study was conducted to determine...

Choose the study design that best fits the following description: A study was conducted to determine if the incidence of noise-induced hearing loss was greater in registered dental hygienists who used ultrasonic scaling devices for cumulative periods of time longer than two hours per day as compared to registered dental hygienists who used these devices for less than two hours daily or not at all. Annual amount of time using the scaling devices was ascertained at the start of the...

Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer....

Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer. 0 2 −4 1 0 2 −2 −6 8 Choose the correct answer below. A. The matrix is invertible. The columns of the given matrix span are linearly dependent. B. The matrix is not invertible. If the given matrix is A, the equation Ax=b has a solution for at least one b in set of real numbers ℝ3. C.The matrix is invertible. The given...

Which one of the following best fits the description of a private placement? A. 3-year commercial...

Which one of the following best fits the description of a private placement? A. 3-year commercial bank loan B. 10-year loan from an insurance company C. 2-year direct business loan D. 3-year loan to a firm by its original founder E. 20-year bonds sold in the public markets

2. Identify the term or concept that fits each description. 35 pts A) The interest rate...

2. Identify the term or concept that fits each description. 35 pts A) The interest rate the Fed charges banks for short term loans. B) The most powerful monetary policy tool. C) The most used monetary policy tool. D) The interest rate banks charge each other for short term emergency loans. E) When the public choosing to keep money out of circulation. F) Government agency that protects depositors from bank failures (up to a limit). G) It is made up...

24 Match each renewable energy to the description that best fits. Makes use of the earth's...

24 Match each renewable energy to the description that best fits. Makes use of the earth's thermal gradient or internal heat to produce electricity or for a heating/cooling system. Provides greenhouse gas free electricity source using a spinning turbine. Potential impact to birds or wildlife needs to be considered when using. Makes use of organic matter (waste food, or crops) to burn as a fuel for heat, transportation, or electricity. Can reduce carbon output when plants are re-planted and they...

Match the following drugs with a description that fits it below. Write the name of the...

Match the following drugs with a description that fits it below. Write the name of the drug in the space provided. Bactrim (trimethoprim/sulfamethoxazole) Lovenox (enoxaparin sodium) Benadryl (diphenhydramine) Motrin (ibuprofen) BuSpar (buspirone) Nolvadex (tamoxifen) Fosamax (alendronate sodium) Prevacid (lansoprazole) Lasix (furosemide) Vasotec (enalapril) 1. This is a nonsteroidal antiestrogen medication indicated for the treatment of breast cancer in postmenopausal women. It is used when tumor cells are estrogen-receptor positive. It can be used to prevent breast cancer in women at...

Which one of the following best fits the description of private placement?

Which one of the following best fits the description of private placement? a) 3- year commercial bank loan b) 3-year loan to a firm by its original founder c) 10-year loan from an insurance company d) 20-year bonds sold in the public markets e) 2-year direct business loan

Determine the Kernel of matrix B. Determine the Cokernel of matrix B.

Matrix A 1 2 1 3 1 -1 1 2 2 4 1 3 3 2 1 -1 Matrix B 1 2 3 -2 -1 2 2 -1 2 3 2 -3 3 1 2 -1 3 -5 5 5 5 -7 7 -4 Determine the Kernel of matrix B.Determine the Cokernel of matrix B.Determine the row space of the Cokernel of B.Determine the inverse of matrix A. Perform LU (or PLU) factorization on matrix A and determine the L...

Explain the factors of depreciation for hotel buildings and justify each of these factors with case...

Explain the factors of depreciation for hotel buildings and justify each of these factors with case referred examples.

For each of the following statements, determine whether it is true or false and justify your...

For each of the following statements, determine whether it is true or false and justify your answer. a. Every function f : [0, 1] ~ lR has a maximum. b. Every continuous function f :[a, b] ~ lR has a minimum. c. Every continuous function f : (0, 1) ~ lR has a maximum. d. Every continuous function f : (0, 1) ~ lR has a bounded image. e. If the image of the continuous function f: (0, 1) ~...

Question