PLS ANSWER THIS PLS PLS

Mathematics

2 answers:

jeka57 [31]3 years ago

7 0

Answer:

the picture can't clean. so I can't solve the problem

zhannawk [14.2K]3 years ago

3 0

Answer:

I will go with (C)

Step-by-step explanation:

So the interior angle of a 9 -sided polygon is 140 °. We can see that x and one interior angle lie on the same side of a straight line, so their sum must be 180 °. So x = 180 ° − 140 °, or x = 40 °. The correct answer is 40 °. Hope this helps!

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Which of the following is independent variable?

satela [25.4K]

I think the answer is D. hours because its variation does not depend on another variable

6 0

3 years ago

An airplane pilot over the Pacific sights a ship wreck at an angle of depression of 5°. At this time, the horizontal distance fr

enot [183]

Answer:

<em>The height of the plane is 405 meters</em>

Step-by-step explanation:

<u>Trigonometric Ratios</u>

The situation can be represented as shown in the image below. The ground, the height H, and the direct distance to the plane to the shipwreck form a right triangle, where the trigonometric ratios stand.

Since the known distance is adjacent to the angle, and the required height is opposite to the given angle, we use the tangent ratio, defined as:

$\displaystyle \tan\ x=\frac{\text{opposite leg}}{\text{adjacent leg}}$