Use a Graphing Calculator and the Method of Matrix Inverses $10 \mathrm {~A} ; 103 \mathrm {~B} ; 20 \mathrm { C }$

question 261

Multiple Choice

Use a graphing calculator and the method of matrix inverses to Give five decimal places, if necessary.
-A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. The company used 100 black, 110 white and 90 red wires. How many of each type of cable were made?

• A) \(10 \mathrm {~A} ; 103 \mathrm {~B} ; 20 \mathrm { C }\)
• B) \(20 \mathrm {~A} ; 30 \mathrm {~B} ; 10 \mathrm { C }\)
• C) \(10 \mathrm {~A} ; 30 \mathrm {~B} ; 20 \mathrm { C }\)
• D) \(10 \mathrm {~A} ; 30 \mathrm {~B} ; 93 \mathrm { C }\)

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Definitions:

Indirect Method

An approach to preparing the cash flow statement where the net income is adjusted for non-cash transactions and changes in working capital to estimate cash flows from operating activities.

Cash Dividends

A distribution of a portion of a company's earnings, decided by the board of directors, to a class of its shareholders in the form of cash.

Long-Term Investments

Assets that a company intends to hold for more than one year, including stocks, bonds, and real estate.

Bonds Retired

The process of redeeming bonds before their maturity date, effectively removing them from circulation.