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Maths Puzzle
Numerical Ability
Determine the perimeter and the area of a rectangle with a length of 12.1 m and a width of 7.3 m.
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Please help solve this inequality.
-20 > -5c
the conjugate of
sqare_root(2)-square_root(3) is:
square_root(2)+square_root(3).
But can it be:
-sqare_root(2)-square_root(3)?