A) $\left( \frac { 5 } { 7 \sqrt { 22 } } , \frac { 2 } { 7 \sqrt { 22 } } , \frac { 13 } { 7 \sqrt { 22 } } \right)$

question 109

Multiple Choice

$\text { Find a unit vector that is orthogonal to both } \mathbf { u } = \langle - 16 , - 12,8 \} \text { and } \mathbf { v } = \langle 20 , - 24 , - 4 \} \text {. }$

• A) \(\left( \frac { 5 } { 7 \sqrt { 22 } } , \frac { 2 } { 7 \sqrt { 22 } } , \frac { 13 } { 7 \sqrt { 22 } } \right)\)
• B) \(\left( - \frac { 5 } { 3 \sqrt { 22 } } , - \frac { 2 } { 3 \sqrt { 22 } } , - \frac { 13 } { 3 \sqrt { 22 } } \right)\)
• C) \(\left( \frac { 5 } { 3 \sqrt { 23 } } , \frac { 2 } { 3 \sqrt { 23 } } , \frac { 13 } { 3 \sqrt { 23 } } \right\}\)
• D) \(\left( - \frac { 5 } { 7 \sqrt { 23 } } , - \frac { 2 } { 7 \sqrt { 23 } } , - \frac { 13 } { 7 \sqrt { 23 } } \right)\)
• E) \(\left\{ \frac { 5 } { 3 \sqrt { 22 } } , \frac { 2 } { 3 \sqrt { 22 } } , \frac { 13 } { 3 \sqrt { 22 } } \right\}\)

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Definitions:

Merchandise Inventory

The value of a company's commodities or goods available for sale to customers at any given time.

Periodic Inventory System

An inventory accounting system where updates are made on a periodic basis, not continuously, often used in smaller businesses.

Purchases Returns and Allowances

Transactions where a buyer returns goods to the supplier or receives a reduction in the purchase price, reducing the amount owed to the supplier.

Merchandise Inventory

The goods a company holds for the purpose of selling to customers.