3 years ago

I need help with this question

Mathematics

1 answer:

a_sh-v [17]3 years ago

7 0

Answer:

oehfinefnefikvds

Step-by-step explanation:

okokokoko

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A plane can travel 640 miles against the wind in the same time it can travel 800 miles with the wind. If the plane can fly 180 m

alexgriva [62]

Here is how to solve it:
<span>Distance1 ÷ (plane velocity + wind velocity) = Distance2 ÷ (plane velocity - wind velocity)</span>800 / (180 + wv) = 640 / (180 - wv)

115,200 +640 wv = 144,000 - 800 wv

1,440 wv = 28,800

wind velocity = 20 mph

Source:
http://www.1728.org/veloccal.htm

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Vsevolod [243]

Answer:

$4950

Step-by-step explanation:

$412.50 * 12 = $4950

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4 years ago

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3 $\frac{1}{2}$ = $\frac{7}{2}$

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3 years ago

Mike’s coin collection has a total of 75 coins. Kevin’s coin collection has three less than two times Mike’s collection. Which e

svlad2 [7]

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Step-by-step explanation:

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