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8090 [49]
2 years ago
12

A flight averages 460 miles per hour. The return flight averages 500 miles per hour due to a tailwind. The total flying time is

4.8 hours. How long is each flight?
Mathematics
1 answer:
dedylja [7]2 years ago
6 0

Answer: the first flight is 2 hours and the second flight is 2 hours and 48 minutes

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Emily added 5 grams of water into 20 grams of 50% salt solution.
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Answers:
She made ___25___ grams of ___40___% salt solution

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The given info "20 grams of 50% salt solution" tells us that we have 10 grams of pure salt
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Put another way, we have 10 grams of pure salt out of 20 total so 10/20 = 0.50 = 50% salt solution

The 20 grams of solution updates to 25 grams of solution when we add the 5 grams of water
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Step-by-step explanation:

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8 0
2 years ago
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Can the sides of a triangle be in the given ratio? 3:4:5
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Answer:

Yes

Step-by-step explanation:

In order to determine if a triple of values will form a triangle, we must apply the Triangle Inequality Theorem, which states that for a triangle with lengths a, b, and c:

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Here, let's suppose that since the ratio of the sides is 3 : 4 : 5, then let the actual side lengths be 3x, 4x, and 5x, where x is simply a real value.

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b + c > a  ⇒  4x + 5x  >?  3x  ⇒  9x > 3x  ⇒  This is true

Since all three conditions are satisfied, we know that a true triangle can be formed given that the ratio of their sides is 3 : 4 : 5.

<em>~ an aesthetics lover</em>

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3 years ago
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When building a house, the number of days required to build varies inversely with with the number of workers. One house was buil
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