There are 12,boys and 10 girls in your gym class. If 6 boys joined the class, how many girls would need to join for the ratio to
2 answers:
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Answer:
5
Step-by-step explanation:
Remember, the rank of a matrix is the number of pivots or number of rows different of zero in the echelon form of the matrix.
Then, if A is a matrix the maximum number of pivots that can have is one by row, that is, 5.
Then the maximum rank that A can have is 5.