jennytomas
jennytomas
25-08-2016
Mathematics
contestada
Someone help me with question 6 please!
Respuesta :
dalendrk
dalendrk
28-08-2016
[tex]1h=60min\\1min=60s\\therefore\ 1h=3600s\to1s=\dfrac{1}{3600}h\\\\57.1s=\dfrac{57.1}{3600}=\dfrac{571}{36000}\\\\\dfrac{1mi}{57.1s}=\dfrac{1mi}{\frac{571}{36000}h}=\dfrac{36000}{571}mph\approx63mph[/tex]
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