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2 years ago

8

If y varies directly as x, and y = 14 as x = 7, find y for the x-value of 10

1 answer:

stiv31 [10]2 years ago

5 0

Y = 20. the equation for solving for y is y=2x, so y=2(10)

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Solnce55 [7]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad a^n\implies \cfrac{1}{a^{-n}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
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3 years ago

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