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mixer [17]
3 years ago
9

The width of a rectangle is 70% of its length. What is the area of the rectangle?

Mathematics
1 answer:
g100num [7]3 years ago
4 0

Answer:

the area is 130

Step-by-step explanation:

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A and B are n×n matrices. Check the true statements below: A. (detA)(detB)=detAB. B. The determinant of A is the product of the
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Answer with Step-by-step explanation:

We are given that

A and B are matrix.

A.We know that for two square matrix A and B

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B. det A  is  the product of diagonal entries in A.

It is not true for all matrix.It is true for upper triangular matrix.

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Hence, it is false.

D.An elementary row operation on A does not change the determinant.

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