3 years ago

Please help me with this!

Mathematics

1 answer:

trapecia [35]3 years ago

5 0

Divide 130 by 3 i think

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Raul drove 3 hours at a rate of 55 miles per hour

KiRa [710]

Answer:

190 miles

Step-by-step explanation:

I believe its 190 miles.

So, he drove 55 miles per hour the first 3 hours:

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Then an adittional 1/2 hour at 50 miles an hour:

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2 years ago

(7)/(3) of it is 5 (5)/(6)

slava [35]

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$\stackrel{mixed}{5\frac{5}{6}}\implies \cfrac{5\cdot 6+5}{6}\implies \stackrel{improper}{\cfrac{35}{6}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{3}x~~ = ~~5\frac{5}{6}\implies \cfrac{7}{3}x~~ = ~~\cfrac{35}{6}\implies 42x=105\implies x=\cfrac{105}{42} \\\\\\ x=\cfrac{21\cdot 5}{21\cdot 2}\implies x=\cfrac{21}{21}\cdot \cfrac{5}{2}\implies x=1\cdot \cfrac{5}{2}\implies x=2\frac{1}{2}$

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1 year ago