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max2010maxim [7]
3 years ago
15

What is the length of the diagonal of a square with 8 foot sides?

Mathematics
1 answer:
devlian [24]3 years ago
3 0
Using the Pythagorean Theorem, 

a² + b² = c²

c² = 8² + 8²

c² = 64 + 64

c² = 128

c = √128

c =8√2 (radical form) or  11.31 feet (nearest hundredth)

Answer: 11.31 feet 
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Find an expression which represents the difference when (6x-3y) is subtracted from (9x+2y) in simplest terms.
Alex73 [517]

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3x+5y

Step-by-step explanation:

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