Use Graphing Calculator to Find the Inverse of the Matrix $$A=\left[\begin{array}{ccc}1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & -5 / 6 & 8 / 7\end{array}\right]$$

question 11

Multiple Choice

Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.
- $$A=\left[\begin{array}{ccc}1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & -5 / 6 & 8 / 7\end{array}\right]$$

• A) \( \left[\begin{array}{lll}0 & 0 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 0\end{array}\right] \)
• B) \( \left[\begin{array}{rrr}2.65952 & 0.15830 & -1.86167 \\ -9.04238 & -0.33824 & 6.32966 \\ 3.37129 & 0.05484 & -1.48490\end{array}\right] \)
• C) \( \left[\begin{array}{rrr}-1.10557 & 0.19216 & 0.77390 \\ 0.34172 & 0.14061 & -0.23920 \\ 1.58861 & -0.13028 & -0.23703\end{array}\right] \)
• D)
• \( \left[\begin{array}{lll}3 & 3.5 & 1.25 \\ 0.64706 & 5 & 0 \\ 0.72222 & -1.2 & 1.14286\end{array}\right] \)

Identify the security, privacy concerns, and advantages associated with cloud computing.

Understand the concept of virtualization, its roles in creating virtual servers, and its contribution to fault tolerance and redundancy.

Recognize the role of cloud storage services like Google Drive and Dropbox in cloud computing.

Understand the concept and benefits of grid computing and its distinction from cloud computing.

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Definitions:

Allowance for Doubtful Accounts

An allowance for doubtful accounts is a contra-account that reduces the total receivables on the balance sheet by the amount that is estimated to be uncollectible.

Bad Debt Expense

The cost associated with accounts receivable that a company does not expect to collect because customers default on their payments.

Allowance Method

An accounting technique used to estimate and account for potential uncollectible accounts receivable and bad debts.

Uncollectible Receivables

Debts owed to a company that are deemed unrecoverable and are written off as a loss because the debtor is unable to pay.