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A circular coin is 33.3 cm from a concave spherical mirror. Assume the coin is on the optical axis.) The image of the coin is produced 23.3 cm toward the mirror from its real position. Calculate the focal length of the mirror.
Discount
A discount refers to a reduction from the usual cost of goods or services, often used as a marketing strategy to increase sales or reward customers.
Sales Revenue
The income earned by a company from its sales of goods or services before any expenses are deducted.
Matching Principle
An accounting principle that requires companies to report expenses at the same time as the revenues they are related to, ensuring that financial statements accurately reflect business performance.
Recorded
Documented in official records or accounts.
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