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3 years ago

Why does brainley give free answers? How do they benefit from it?

Mathematics

2 answers:

Agata [3.3K]3 years ago

4 0

Answer:

by getting more attention on the app and there numbers get higher

Step-by-step explanation:

kolezko [41]3 years ago

4 0

Answer:

brainly.com/question/25868675?referrer=searchResults#:~:text=attention%20on%20the%20app

Step-by-step explanation:

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Find the center and radius of the circle with the given equation. Then graph

MissTica

Answer:

Step-by-step explanation:

Center (0,0)

radius = √16 = 4

4 0

3 years ago

What is the area of a regular 16-gon with a radius of 15 feet? Round your answer to the nearest tenth.

Sedbober [7]

Split up the 16-gon into 16 congruent isosceles triangles. Cut each of these isosceles triangles in half to get a right triangle.

The radius of the 16-gon corresponds to the hypotenuse of any of these 32 right triangles. As you probably know, the area of a triangle is half the product of its base and height. For a right triangle, the base and height can be taken to be the two legs. So you need to find their lengths.

Recall that the exterior angles of any convex polygon sum to 360º in measure. For a regular polygon, these angles are all congruent. There are 16 of them in this case, so they each have measure (360/16)º = 22.5º.

Interior angles are supplementary to exterior angles, which means each interior angle of the 16-gon has measure (180 - 22.5)º = 157.5º.

When we split up the 16-gon into isosceles triangles, the "base angles" are equal in measure to half the measure of the interior angles, since each hypotenuse bisects the interior angle. So each base angle has measure 78.75º.

In each right triangle, we then have base b and height h such that

sin(78.75º) = h/15

cos(78.75º) = b/15

Solve for h and b to get

b = 15 cos(78.75º)

h = 15 sin(78.75º)

Then the area of each right triangle is

1/2 b h = 225/2 sin(78.75º) cos(78.75º) = 225/4 sin(157.5º)

and so the area of the 16-gon is

32(1/2 b h) = 1800 sin(157.5º) ≈ 688.8 sq. ft.

4 0

4 years ago

Put -4.8, -4/1 10, and -17/4 in order from LEAST TO GREATEST

pychu [463]

I think it’s -4/1 10, -4.8, -17/4 , 10 if ten wasn’t apart of -4/1 10 sorry if it’s not :/

4 0

3 years ago

The LA Dodgers hit the most homeruns in 2014. The number of homeruns accounted for 6% of the entire Major League Baseball home r

USPshnik [31]

To answer the question, we will need to find the 6% (the home runs of the LA Dodgers) of 583 (the entire Major League Baseball home run count).
To do that, first we are going to divide 6% by 100% to convert it to a fraction and get rid of the percentage signs :
$\frac{6}{100}$
Now we can multiply our fraction by the entire Major League Baseball home run count to get the home runs of the Dodgers:
$\frac{6}{100} (583)= \frac{(6)(583)}{100}= \frac{3498}{100}=34.98$

We can conclude that the LA Dodgers hit approximately 35 home runs.

4 0

4 years ago

Read 2 more answers

HELPPPPP!!!! ASAPPPPP!!!!

kirill [66]

Answer:

the second one

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers