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Natali5045456 [20]

3 years ago

13

The train travels 580 miles in 4 hours. The train travels at a constant rate. At this rate, how many hours will it take the trai

n to travel 725 miles? It takes the train type your answer... hours to travel 725 miles.

1 answer:

Mandarinka [93]3 years ago

8 0

We set up the equation 580/4 = 725/x. Since we know these are proportional, we can cross-multiply and solve to get x = 5.

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3 years ago

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4 years ago

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krok68 [10]

Answer:

$D=\sqrt{145 }\\$

Step-by-step explanation:

We are actually using Pythagorean theorem here but to be simple

we can use the equation:

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=

$D=\sqrt{(15-3)^{2}+(6-7)^{2} } =\\D=\sqrt{(12)^{2}+(-1)^{2} } =\\\\D=\sqrt{144+1 } =\\D=\sqrt{145 }\\$

(If you meant 16 instead of 6 the answer would be 15)

Hope this helps!

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3 years ago