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yKpoI14uk
[10]
3 years ago
9
If the length of a rectangle is three times it's width and the perimeter is 48 units, what are the dimensions of the rectangle?
Mathematics
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2
answers:
EastWind
[94]
3 years ago
4
0
Length = 3x and width = x
perimeter = 48 = 2(3x) + 2x
8x = 48
x = 6
dimensions are width = 6 and length = 18
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MAXImum
[283]
3 years ago
3
0
2l + 2w = 48
3w = l
2(3w) + 2w = 48
6w + 2w = 48
8w = 48
/8 /8
w = 6
2l + 2(6) = 48
2l + 12 = 48
-12 -12
2l = 36
/2 /2
l = 18
Length is 18 width is 6
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