topic Matricies/Word Problems with linear systems in PTC Mathcad
https://community.ptc.com/t5/PTC-Mathcad/Matricies-Word-Problems-with-linear-systems/m-p/438317#M172039
<HTML><HEAD></HEAD><BODY>I dont understand how to do matricies at all, please help.<BR /><BR />7 1 1 0 1 4 <BR />0 2 6 times 5 -2 1 <BR />3 -2 1 -3 1 -8 <BR /><BR />2 8 1 times 0 1 -1 <BR />0 5 -2 8 2 4 <BR /><BR /><BR />Solve for x and y<BR /><BR />-2 1 2 1 3 6 -6 <BR />3 2 4 times x 2 = 19 9<BR />0 -2 4 3 -1 8 y<BR /><BR />How to add them??<BR /><BR />How do you find the determinant??<BR /><BR />How do you find the inverse??<BR /><BR />How do you simplify??<BR />-5 -13 x= 3 1 <BR />2 5 -4 0 <BR /><BR /><BR /><BR />A hotel has 260 rooms- some singles and some doubles. The singles cost 35$ and the doubles cost 60$. Because of a math teacher's convention, all of the hotel rooms are occupied. The sales for this night are 14,000$. How many of each type of room does the hotel have???</BODY></HTML>Fri, 04 May 2018 03:58:11 GMTAC12687-disable2018-05-04T03:58:11ZMatricies/Word Problems with linear systems
https://community.ptc.com/t5/PTC-Mathcad/Matricies-Word-Problems-with-linear-systems/m-p/438317#M172039
I dont understand how to do matricies at all, please help.7 1 1 0 1 4 0 2 6 times 5 -2 1 3 -2 1 -3 1 -8 2 8 1 times 0 1 -1 0 5 -2 8 2 4 Solve for x and y-2 1 2 1 3 6 -6 3 2 4 times x 2 = 19 90 -2 4 3 -1 8 yHow to add them??How do you find the determinant??How do you find the inverse??HowFri, 04 May 2018 03:58:11 GMThttps://community.ptc.com/t5/PTC-Mathcad/Matricies-Word-Problems-with-linear-systems/m-p/438317#M172039AC12687-disable2018-05-04T03:58:11Z