The Lengths of Two Vectors a and B, and the Angle

question 25

Multiple Choice

The lengths of two vectors a and b, and the angle  between them, are given. Find the length of their cross product, $| \mathbf { a } \times \mathbf { b } |$ . $| \mathbf { a } | = 4 , \mathbf { b } \mid = 5 , \theta = 60 ^ { \circ }$

• A) \(20 \sqrt { 3 }\)
• B) \(10 \sqrt { 2 }\)
• C) \(10 \sqrt { 3 }\)
• D) \(10\)
• E) none of these

Distinguish between the various depreciation methods and their appropriate applications.

Understand the role of salvage value and useful life in calculating depreciation.

Analyze the effect of depreciation on financial statements and tax obligations.

Evaluate the choice of depreciation method on the financial health and reporting of a business.

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