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2 years ago

5

(PLEASE HELP ME OUT IT'LL BE WORTH IT) Shipping company A charges a flat fee of $8 plus 0.75 for each pound. Shipping company B

charges a flat fee of 12$ plus for each .. Which graph can be used to find the number of for which the shipping charges are equal?

1 answer:

eduard2 years ago

5 0

Answer:

D

Step-by-step explanation:

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$x^2+\frac{8}{10}-x=\frac{10}{2}\\
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$
$x=\frac{1}{2}+\frac{\sqrt{89}}{2\sqrt{5}} \vee x=\frac{1}{2}-\frac{\sqrt{89}}{2\sqrt5}}\\
x=\frac{1}{2}+\frac{\sqrt{445}}{10} \vee x=\frac{1}{2}-\frac{\sqrt{445}}{10}}\\
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