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joja [24]
3 years ago
14

What’s the distance between the points (3, 1) and (-9, -7)

Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0
The distance is (11,7)
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The Wright brothers made the world’s first flight in a power-driven airplane.
Andru [333]
30 because 1 is the 10 feet so the 3 must be 30 once you multiply it by 10
6 0
3 years ago
A person swims 6.4 meters per
pishuonlain [190]

Using the slope concept, it is found that the angle of the swimmer's resultant vector is of 71.83º.

<h3>What is a slope?</h3>
  • The slope is given by the <u>vertical change divided by the horizontal change.</u>
  • It's also the tangent of the <u>angle of depression.</u>

In this problem:

  • The person swims 6.4 meters per second north, hence the vertical change is of 6.4.
  • The person is being pushed by a current moving west at 2.1 meters per second, hence the horizontal change is 2.1.

Then, considering that the slope is the tangent of the angle of depression \theta, which is also the angle of the  swimmer's resultant vector, we have that:

\tan{\theta} = \frac{6.4}{2.1}

\tan{\theta} = 3.04761904762

Using a trigonometric calculator:

\arctan{\tan{\theta}} = \arctan{3.04761904762}

\theta = 71.83^{\circ}

The angle of the swimmer's resultant vector is of 71.83º.

You can learn more about the slope concept at brainly.com/question/26125945

5 0
3 years ago
Halla el conciente de cada ejercicio 6{54}​
Hatshy [7]

Answer:

9

Step-by-step explanation:

3 0
3 years ago
Can someone please help me??
Svet_ta [14]

Answer:

A= 153.86

A=49\pi

Step-by-step explanation:

You again....

4 0
3 years ago
Read 2 more answers
How can I calculate if a given decimal is rational or irrational. please help I forgot.
dalvyx [7]
Well, a rational decimal is like a simple 3.1 or 4.5. It just cuts off easily. Another example would be a repeating decimal like 3.333333...


An irrational decimal is like 3.1415682983523576294875 with no pattern or cutoff point.


Sorry if I am wrong.
4 0
3 years ago
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