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The rate of depreciation of a machine is inversely proportional to the square of
where V is the value of the machine t years after it was purchased. The initial value of the machine was
and its value decreased
in the first year. Estimate its value after 5 years. Round your answer to the nearest integer.
Page Break
A marker in text or document formatting that signifies the end of one page and the beginning of the next.
Lock
A security feature or mechanism used to restrict access to data, a device, or software to unauthorized users.
Margins Tab
A feature in document editing software that allows users to adjust the space between text and the edge of the page.
Ungroup Sheets
The action of separating previously grouped worksheets in spreadsheet applications like Excel for independent editing.
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