Answer:
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Step-by-step explanation:
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Answer:
Perimeter of a triangle = add all sides
Both the legs of the isosceles triangle are always EQUAL.
x+4x-6+4x-6 = 60
9x-12 = 60
9x = 60+12
9x = 72
x = 8
The average score as a fraction is 721/1000
The cumcutative property of addition