Cho hai tập hợp A = {0,1,4,7,8,9}, B = {1,2,3,4,6,7,8}.Tập hợp B\A bằng:
2 answers:
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ANSWER
w=48,l=60
EXPLANATION
Let the width of the field be, w , then,
the length of the field will be:
The area of a rectangle is
This implies that:
Expand
This implies that,
The dimensions are positive, the width is 48 and the length is 12+48=60
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