deadlyprincess1122 deadlyprincess1122

05-08-2016
Mathematics

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Two jogger ran north 8km and then west 5km. How long is their shortest path. Answer to the nearest tenth of a mile.

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texaschic101 texaschic101

05-08-2016

a^2 + b^2 = c^2...a and b are the legs and c is the hypotenuse
8^2 + 5^2 = c^2
64 + 25 = c^2
89 = c^2...take the sqrt of both sides...this eliminates the ^2
sqrt 89 = c
9.4 = c....shortest path is 9.4 km

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