If $\| \mathbf { u } \| = 5$ And $\| \mathbf { v } \| = 4$

question 103

Multiple Choice

If $\| \mathbf { u } \| = 5$ and $\| \mathbf { v } \| = 4$ , and the vectors make angles of $60 ^ { \circ }$ and $80 ^ { \circ }$ with the $x$ -axis respectively, find the component form of the sum of $\mathbf { u }$ and $\mathbf { v }$ . Round answers to two decimal places.

• A) \(\langle 3.19,8.27 \rangle\)
• B) \(\langle 1.81,0.39 \rangle\)
• C) \(\langle 5.02,6.44 \rangle\)
• D) \(\langle 3.64 , - 1.44 \rangle\)
• E) \(\langle 2.87,8.39 \rangle\)

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Definitions:

Indirect Labor

Indirect labor involves workers who support the production process but do not directly work on the product, such as maintenance staff.

Direct Labor

The cost of wages for employees who directly manufacture or produce goods.

Job-Order Costing System

A method of assigning costs to specific production batches or jobs, often used in manufacturing where the products are distinctly different.

Direct Labor Cost

The total cost of wages paid to employees who are directly involved in the production of a product or service.