Cho hệ các vector U=(1;2;n)(0;-1;1-n)(2;3;n+1)(1;0;2- n) a. Tìm số chiều và cơ sở w của không gian con sinh bởi hệ vector U

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Is the orthocenter of a triangle on the inside ?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?