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mr Goodwill [35]
3 years ago
13

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.

Mathematics
2 answers:
AfilCa [17]3 years ago
5 0
Hello,

Answer B: y-axis only
==================


prisoha [69]3 years ago
5 0

Answer:

<h2>y-axis only.</h2>

Step-by-step explanation:

The given equation is

r=2+3sin \theta

Notice that this equation is in polar form.

If (r, \theta) can be replace with (r, \pi - \theta) or (-r, -\theta), then the graph is symmetric to the line \theta = \frac{\pi}{2}, which is a vertical line.

Let's evaluate the given equation.

r=2+3sin \theta=2+3sin(\pi -\theta)= 2-3sin(- \theta)

But, sin(-\theta)=-sin \theta

So,  r= 2-3sin(- \theta)=2-(-3sin\theta)=2+3sin\theta=r

Notice that the change produces the same equation.

Therefore, the given polar expression is symmetric to \theta  = \frac{\pi}{2}, which is the y-axis only in the coordinate system.

So, the right answer is y-axis only.

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18 is 60% of what number
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Let n be the number 18=60% of n
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3 0
3 years ago
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A regulation basketball has a diameter of about 9 in. What is the best approximation for the volume of this ball? 3050 in³ 382 i
Mandarinka [93]

The best apporximation for the volume of this ball is 382 cubic inches.

<h3>What is the volume of the ball?</h3>

The volume of the ball is calculated by the formula V = 4 / 3πr³. This formula is the same in the whole world.

Given

A regulation basketball has a diameter of about 9 in.

The radius of the ball is;

\rm Radius = \dfrac{Diameter}{2}\\\\Radius=\dfrac{9}{2}\\\\Radius=4.5\ inches

The volume of the ball is;

\rm Volume =\dfrac{4}{3}\pi r^3\\\\Volume=\dfrac{4}{3} \times 3.14 \times 4.5^3\\\\Volume =\dfrac{144.53}{3}\\\\Volume = 381.51\\\\Volume = 382 \ In^3 \ apporx

Hence, the best apporximation for the volume of this ball is 382 cubic inches.

To know more about volume click the link given below.

brainly.com/question/10647788

4 0
3 years ago
Anyone understand this if so plz respond with answer
Archy [21]

Answer:

I dont know the answer

Step-by-step explanation:

But you can find the answer by figuring out what a domain and a range iss and chose which one is a domain and a range you can find what a domain and a range is on google

6 0
3 years ago
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Two number cubes are rolled. What is the probability of rolling a sum of 9 or a sum that is even?
Murljashka [212]

Well I don't know !
Let's figure it out together.

Each cube can land in 6 different ways, so the total number
of possible results with two cubes is (6 x 6) = 36 .

Now we need to figure out how many of those 36 possibilities
meet your specifications ... either 9 or any even number.

Ways to make 9 :

3 . . . 6
6 . . . 3
4 . . . 5
5 . . . 4

Four ways to make 9.
____________________________

Ways to make an even number:

1 . . . 1
3 . . . 1
1 . . . 3
2 . . . 2
5 . . . 1
1 . . . 5
6 . . . 2
2 . . . 6
6 . . . 4
4 . . . 6
6 . . . 6

Eleven ways to make an even number.
_____________________

Total number of ways to succeed = (4 + 11) = 15 ways

So the probability of succeeding (rolling 9 or an even number)
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               15 / 36  =  5 / 12  =  0.41666... =  (41 and 2/3) % .

8 0
3 years ago
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