Answer:
m=3
Step-by-step explanation:
Let w and 2w-6 be the width and length, respectively. Then:
w(2w-6)=176
2w²-6w-176=0
(2w+16)(w-11 )=0
w=-16/2 or 11
If the width is 11 km, then the length is 16 km
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13 divided by 2 is 6.5 and 31 divide by 2 is 15.5 I hope this helped
In Mathematics, braces ( {} )are used to symbolize
the group of mathematical terms, commonly
as the outmost measurement in a difficult expression. Braces are used in roster
notation. Wherein within the braces there are a set of elements, which are
separated by commas after each element. The set may be a set of whole numbers,
or a set of natural numbers, or even a set of integers. While in Interval
Notations, brackets and parentheses are used to indicate, whether the endpoints
are left out or contained within.