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3 years ago

Help me pleaseeeeeeeee

Mathematics

2 answers:

Georgia [21]3 years ago

6 0

Answer:

140 is next term

Step-by-step explanation:

Fynjy0 [20]3 years ago

3 0

Answer:

3. 3

Step-by-step explanation:

2/5 and 6/15 are equivalent fractions because the numerator and the denominator were multiplied by the same nonzero number.

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3 years ago

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serg [7]

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3 years ago

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skad [1K]

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Step-by-step explanation:

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3 years ago

From a radar station, the angle of elevation of an approaching airplane is 32.5 degree. The horizontal distance between the plan

denis23 [38]

Answer: 42.21 km

Step-by-step explanation:

We can solve this using trigonometry, since we have the following data:

$\theta=32.5\°$ is the the angle of elevation

$d=35.6 km$ is the horizontal distance between the plane and the radar station

$x$ is the hypotenuse of the right triangle formed between the radar station and the airplane

Now, the trigonometric function that will be used is <u>cosine</u>:

$cos\theta=\frac{d}{x}$ because $d$ is the adjacent side of the right triangle

$cos(32.5\°)=\frac{35.6 km}{x}$

Finding $x$ :

$x=\frac{35.6 km}{cos(32.5\°)}$

$x=42.21 km$

4 0

4 years ago

Can someone help me with 19 ,20,21,22

valina [46]

Answer:

In Euclidean geometry, a regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).

Dual polygon: Self-dual

Step-by-step explanation:

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3 years ago