Solve the Problem $\frac { 125 } { 288 } \mathrm { in }$

question 38

Multiple Choice

Solve the problem.
-A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 30 feet and the distance across the top of the mirror is 50 inches, how deep is the mirror in the center?

• A) 9 in.
• B) \(\frac { 125 } { 288 } \mathrm { in }\).
• C) \(\frac { 125 } { 3456 }\) in.
• D) \(\frac { 125 } { 24 } \mathrm { in } .\)

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Definitions:

Parent Company

A company that holds enough voting stock in another firm to control management and operations by influencing or electing its board of directors.

Consolidated Financial Statements

Financial reports that combine the accounts of a parent company and its subsidiaries into a single document.

Fair Value Method

An accounting approach used to measure assets and liabilities at estimates of their current value, rather than at historical cost or intrinsic value.

Outstanding Stock

Refers to the total shares of a company that are currently held by all its shareholders, including share blocks held by institutional investors and restricted shares held by insiders.