mrjanson mrjanson

28-01-2017
Mathematics

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A sailboat’s sail has three sides that are all the same length. Each side measures x−10 units. The sail’s perimeter is 63 units. What is the value of x?

Respuesta :

28-01-2017

3x - 30 = 63
add 30 to both sides
3x = 93
divide by 3
x = 31

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