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Maths Puzzle
Numerical Ability
use the properties of logarithms to condense the following expression:
1) 3 ln x + 2 ln (x+1)
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Could you please help me solve these problems..
x+7y=21
y=1/4x+2
y=-2/3x+4
the perimeter of a rectangle is 44cm. The length is 2cm more than three times the width. Find the dimensions of the rectangle.