3 years ago

Which is most appropriate unit to measure the length of a marathon race?

Mathematics

2 answers:

Cloud [144]3 years ago

3 0

Answer:

b meter

let me know if this is right

Gala2k [10]3 years ago

3 0

B im pretty sure hope im right

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The question is in the image that is attached :)

laila [671]

So hmm check the picture below

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
variation
\end{array}\\\\
-------------------------------\\\\
\textit{we know that }
\begin{cases}
x=3\\
y=1
\end{cases}\implies 1=k3\implies \cfrac{1}{3}=k
\\\\\\
thus\qquad \qquad y=\cfrac{1}{3}x$