just need three equations so i can create the matrices and i can solve from there.

just need three equations so i can create the matrices and i can solve from there.

Assume that producing 1 unit of coal requires 0.4 units of coal, 0.1 units of lumber, and 0.2 units of steel; that producing 1 unit of lumber requires 0 units of coal, 0.7 units of lumber, and 0.2...

[1 -1 1] [0 -1 0] [0 0 2] (the brackets are all suppose to be combined) Answer: first row=? second row=? third row=?

If A and B are any matrices of order 2×1, why does the product ABt have no inverse?

I tried to find the inverse but in all my multiplying, it ended up not being a inverse matrix and instead a random set of fractions in my matrix.

I need help with finding the inverse of the matrix for, -9 5 6 -3 I...

Production- Pretzels cost $4 per lb., dried fruit cost $5 per lb., and nuts cost $9 per lb. The three ingredients are to be combined in a trail mix containing twice the weight of pretzels as dried...

Andleeb T.

Biochemistry major with STEP program mentoring experience

Fresh Meadows, NY

Xinran W.

Columbia Graduate for Math and Chinese Tutor

New York, NY