the perimeter of a rectangular field is 12x meter . if its length is thrice the width the width is 120 meter , find the value of x .
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l=3b
or l=3*120
or l=360m
perimiter= 2(l+b)
or 12x= 2(360+120)
or 12x= 2*480
or x=80
shweta02:
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can u solve a maths prob of mine please
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Q.37
Let A, B, C, D be non-empty sets. Then the value of ((A ∪ B) ∪ (C ∩ D))' is
Choose:
(A' ∩ B') ∩ (C' ∪ D')
(A' ∪ B') ∪ (C' ∩ D')
(A' ∩ B' ∩ C') ∪ (A' ∩ B' ∩ D')
(A' ∪ B' ∪ C') ∩ (A' ∪ B' ∪ D')
Let A, B, C, D be non-empty sets. Then the value of ((A ∪ B) ∪ (C ∩ D))' is
Choose:
(A' ∩ B') ∩ (C' ∪ D')
(A' ∪ B') ∪ (C' ∩ D')
(A' ∩ B' ∩ C') ∪ (A' ∩ B' ∩ D')
(A' ∪ B' ∪ C') ∩ (A' ∪ B' ∪ D')
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