An industrial system with three industries has the input-output matrix D and external demand matrix E below. 0.1 0.3 0.2 6000 D = 0.0 0.2 0.3 and E= 7000 0.4 0.1 0.1 17000 Solve for the output matrix X in the equation X = DX + E. 118100 X X = 2 19500 3 28500 Need Help? Read It

Don't forget your absolute value for the second problem.

A triangle has a base length of (x-8)cm  and a height of 2x cm. If the area is 20cm² calculate the height and base length. It's studying for a test and the answer is H=20 and B=2 but I don't know how to solve it please make an easy explanation. Thanks!

tructure.com/courses/1443839/pages/q2-bellworks?module_item_id%3D44441031 3 Socrative S Home Orange Co... Florida Memory · F.. Bellwork #53 You bought three magazines for $5 each and four erasers. You spent a total of $31. a) Write an equation to represent the amount of money spent at the store. b) How much did each eraser cost? 500 Next « Previous 5:35 AM 73°F Sunny ^ E ) 11/2/2021

Could you explain how to show this in detail?