Solve the System of Linear Equations by the Method of Elimination.Find

question 45

Multiple Choice

Solve the system of linear equations by the method of elimination.Find (u,v) and check your solution algebraically. $\left\{ \begin{array} { l } 5 u + 6 v = 28 \\3 u + 5 v = 20\end{array} \right.$

• A) \(\left( \frac { 7 } { 20 } , \frac { 7 } { 16 } \right)\)
• B) \(\left( - \frac { 20 } { 7 } , \frac { 16 } { 7 } \right)\)
• C) \(\left( \frac { 20 } { 7 } , - \frac { 16 } { 7 } \right)\)
• D) \(\left( - \frac { 20 } { 7 } , - \frac { 16 } { 7 } \right)\)
• E) \(\left( \frac { 20 } { 7 } , \frac { 16 } { 7 } \right)\)

Learn how to create output streams for appending data to text and binary files.

Learn how to create input streams from text and binary files using different classes in Java.

Understand the difference between text, ASCII, and binary files.

Understand what happens internally in Java when opening and closing files.

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