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3 years ago

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The speed limit on a highway is 55 miles per hour. This means that vehicles cannot legally drive at speeds over 55 miles per hou

r. Write an inequality that is true only for speeds in miles per hour, x, at which vehicles can drive legally on the highway.

1 answer:

Vaselesa [24]3 years ago

5 0

X < or = to 55 mph.
Hope it helps! :)

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Step-by-step explanation:

$y=x^2+12x+6$

$\mathrm{The\:vertex\:of\:an\:up-down\:facing\:parabola\:of\:the\:form}\:y=ax^2+bx+c\:\mathrm{is}\:x_v=-\frac{b}{2a}$

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Solve for h and c to find what h and c equals; 34.50=4h+7c and 30.50=8h+3c

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