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3 years ago

15

Evaluate 1/3y + 1/6 when y equals 1/2. then add the result by 1/6

1 answer:

tiny-mole [99]3 years ago

3 0

The answer is right below:

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Add the prices together
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3 years ago

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4 years ago

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3 years ago

If y varies inversely as x, and y=20 as x=3, find y for the x value 4

Ratling [72]

$\bf \qquad \qquad \textit{inverse proportional variation}\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
y=20\\
x=3
\end{cases}\implies 20=\cfrac{k}{3}\implies 20\cdot 3=k\implies 60=k
\\\\\\
thus\qquad \boxed{y=\cfrac{60}{x}}\\\\
-------------------------------\\\\
now\qquad x=4\qquad y=\cfrac{60}{4}$

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3 years ago