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nika2105 [10]
3 years ago
8

A jet flew to the maintenance facility and back. The trip there took ten hours and the trip back took four hours. It averaged 42

0 mph on the return trip. Find the average speed of the trip there.
Mathematics
1 answer:
Lana71 [14]3 years ago
3 0
Speed is distance over time

miles per hour is distance over time

so if it averaged 420 miles an hour

is it not 420 miles per hour?
 
perhaps i am misunderstanding something?


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triangle ABC is shown in the diagram. The links of the sides are in terms of the variable n, where n >4. complete the inquali
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Answer:

  m∠B < m∠A < m∠C

Step-by-step explanation:

We can work with the triangle inequality to find that the side measures form a triangle when n > 5/4. For the given value of n ≥ 4, we don't need to be concerned with whether a triangle is formed or not.

For n = 4, the side lengths are ...

  a = 2(4) = 8

  b = (4) +3 = 7

  c = 3(4) -2 = 10

The longest side is opposite the largest angle, so the ordering of angles is ...

  m∠B < m∠A < m∠C

_____

The triangle inequality requires all of these inequalities be true:

  • a+b > c   ⇒   3n+3 > 3n-2 . . . always true
  • b+c > a   ⇒   4n+1 > 2n   ⇒   n > -1/2
  • c+a > b   ⇒   5n-2 > n+3   ⇒   n > 5/4

That will be the case for n > 5/4. The attached graph shows the sides and angles keep the same order for n > 3.

5 0
3 years ago
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4.1338 divide by 0.22
Murljashka [212]

I got the answer 18.79

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Before a basketball game a referee noticed that the ball seemed under inflated. She dropped it from 6 feet and measured the firs
deff fn [24]

Answer: a) H = h( 0.5 )^n

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Step-by-step explanation:

Let H = height of the ball

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h = initial height.

The exponential function to model the height of the ball will be:

H = h( 1 - 0.5)^n

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It's minus because the height of the ball is decreasing.

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H = 1.125inches

7 0
3 years ago
I need this answered
Kitty [74]
Bro I got a video of those test answers just message me ur phone # I got all the geometry tests
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egoroff_w [7]

Answer:

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The midrange of the phenotype codes is 2.52

B Only the mode makes sense since the data is nominal.

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