3 years ago

Entering the expressway is a hazardous vehicle maneuver. true or false

Mathematics

1 answer:

ollegr [7]3 years ago

6 0

<span>Entering the expressway is a hazardous vehicle maneuver.
</span>The answer is True

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Answer:

12 hours

Step-by-step explanation:

Let Theo's siste can paint a fence in x times

Given.

Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours.

$\frac{1}{x}+\frac{1}{3x} =\frac{1}{9}\\\frac{3+1}{3x} =\frac{1}{9} \\\frac{4}{3x}=\frac{1}{9}$

Apply cross multiplication

$x=\frac{9\times 4}{3}\\x=\frac{36}{3} \\x=12hours$

Theo’s sister to paint the fence in 12 hours.

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mars1129 [50]

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Answer:

Step-by-step explanation:

15/3.50 = 4.285

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Step-by-step explanation:

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