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Svetllana [295]
3 years ago
7

Is -2.875 > -2 7/8? ​

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0

Answer:

The left side  

−

2.875

is not greater than the right side  

−

2.875

, which means that the given statement is false.

False

Step-by-step explanation:

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PLEASE HELP! 50 Points!
gulaghasi [49]

The bearing of the plane is approximately 178.037°. \blacksquare

<h3>Procedure - Determination of the bearing of the plane</h3><h3 />

Let suppose that <em>bearing</em> angles are in the following <em>standard</em> position, whose vector formula is:

\vec r = r\cdot (\sin \theta, \cos \theta) (1)

Where:

  • r - Magnitude of the vector, in miles per hour.
  • \theta - Direction of the vector, in degrees.

That is, the line of reference is the +y semiaxis.

The <em>resulting</em> vector (\vec v), in miles per hour, is the sum of airspeed of the airplane (\vec v_{A}), in miles per hour, and the speed of the wind (\vec v_{W}), in miles per hour, that is:

\vec v = \vec v_{A} + \vec v_{W} (2)

If we know that v_{A} = 239\,\frac{mi}{h}, \theta_{A} = 180^{\circ}, v_{W} = 10\,\frac{m}{s} and \theta_{W} = 53^{\circ}, then the resulting vector is:

\vec v = 239 \cdot (\sin 180^{\circ}, \cos 180^{\circ}) + 10\cdot (\sin 53^{\circ}, \cos 53^{\circ})

\vec v = (7.986, -232.981) \,\left[\frac{mi}{h} \right]

Now we determine the bearing of the plane (\theta), in degrees, by the following <em>trigonometric</em> expression:

\theta = \tan^{-1}\left(\frac{v_{x}}{v_{y}} \right) (3)

\theta = \tan^{-1}\left(-\frac{7.986}{232.981} \right)

\theta \approx 178.037^{\circ}

The bearing of the plane is approximately 178.037°. \blacksquare

To learn more on bearing, we kindly invite to check this verified question: brainly.com/question/10649078

5 0
2 years ago
Help pls !! 17 points
stepladder [879]

answer:

the first one and the last one

good luck :)

hopefully, this helps

**please let me know if this was wrong**

have a great day !!

7 0
2 years ago
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Vesnalui [34]

Answer:

n=75 pair of shoes

n-75=35 equation

n=35+75=110

cost of jeans=110

3 0
2 years ago
What is the equation for an explicit formula
umka21 [38]
It defines the sequence as a formula<span> in terms of n. ... Sequence: {10, 15, 20, 25, 30, 35, ...}. Find an </span>explicit formula<span>. This example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).</span>
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Answer:

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Step-by-step explanation:

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