Solve the Problem $x + y = 9$ If $\delta ( x , y ) = x + y$

question 280

Multiple Choice

Solve the problem.
-Find the center of mass of a thin triangular plate bounded by the coordinate axes and the line $x + y = 9$ if $\delta ( x , y ) = x + y$

• A) \(\bar { x } = 3 , \bar { y } = 3\)
• B) \(\bar { x } = 6 , \bar { y } = 6\)
• C) \(\bar { x } = \frac { 27 } { 8 } , \bar { y } = \frac { 27 } { 8 }\)
• D) \(\bar { x } = \frac { 15 } { 4 } , \bar { y } = \frac { 15 } { 4 }\)