Answer:
![\left[\begin{array}{ccc}10&0&0\\14&25&0\\57&18&39\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D10%260%260%5C%5C14%2625%260%5C%5C57%2618%2639%5Cend%7Barray%7D%5Cright%5D)
Explanation:
A lower triangular matrix is one whose elements above the main diagonal are zero meanwhile all the main diagonals elements and below are nonzero elements. This is one of the two existing types of triangular matrixes. Attached you will find a image referring more about triangular matrixes.
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Answer:
Total change in energy = 31 KJ.
Explanation:
Mass m=25 kg
Height h = 1 m
Initial velocity = 0
Final velocity = 50 m/s
Energy at initial condition



Energy at final condition


So the change in energy = 31250 -250 J
The total change in energy = 31000 J
Answer:
Quality strategy is an integral part of organization's strategy that ensures quality. It involves market and productivity strategies that have a very high significance. A successful quality strategy must endeavour to have features such as; engaging employees in the necessary activities to implement quality, an organizational culture that fosters quality and an understanding of the principles of quality.
All these will enable the organization to stand out and beat competition.