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OlgaM077 [116]
3 years ago
5

Jose wanted to compare the people in his math class who like country music to those who like rap music. If the Venn diagram abov

e represents the relationship between students who like rap music or country music in Jose's class, which of the following is the best description of regions A, B, and C?
A. A is students who like country music only, B is students who like both country and rap music, and C is students who like rap music only.
B. A all students who like country music, B is all students who like rap music, and C is students who like all types of music.
C. A is students who do not like country music, B is students who like rap music,and C is students who like both country and rap music.
D. A is students who do not like country music, B is students who do not like rap music, and C is students who like country but not rap.
Mathematics
2 answers:
Anestetic [448]3 years ago
6 0
The correct answer to this question is A; <span>A is students who like country music only, B is students who like both country and rap music, and C is students who like rap music only</span>
Roman55 [17]3 years ago
3 0

Answer:  I think it is A personally because that is the only one that sound right to me.

Step-by-step explanation:

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ICE Princess25 [194]

Answer:

Step-by-step explanation:

line 1  m=y2-y1 / x2-x1  [formula for slope ]

m= 0 - (-3) / 8-(-4)

m= 3 /12      

m= 1/4  slope of line 1

line2  

m = 2-6 / 0-(-1)

m = -4 / 1

m = -4  slope of line 2

line 3

m = -4 - (-7)  / -3 -  6

m = 3 / -9

m = - 1/3  slope of line 3

lines 1 & 2   perpendicular b/c they are reciprocals with a sign change :)

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lines 2 & 3  perpendicular  b/c they are reciprocals with a sign change :)

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3 years ago
A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius Each o th
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A regular polygon is drawn in a circle so that each vertex is on the circle

Each of the central angles has a measure of 40

360 / 40 = 9

so the polygon has 9 sides

Answer is the second option

9



5 0
3 years ago
The length of each side of a square is 6 feet more than the length of a side of a regular Octagon. The perimeter of the square i
goldfiish [28.3K]

9514 1404 393

Answer:

  • square: 12 ft sides
  • octagon: 6 ft sides

Step-by-step explanation:

This problem can be worked in your head.

If the perimeters of the square and regular octagon are the same, the side length of the 4-sided square must be the same as the length of 2 sides of the 8-sided octagon. Since the side of the square is 6 ft more than the side of the octagon, each side of the octagon must be 6 ft, and each side of the square must be 12 ft.

__

We can let s represent the side length of the octagon. Then we have ...

  8s = perimeter of octagon

  4(s +6) = perimeter of square

These are equal, so ...

  4(s +6) = 8s

  s +6 = 2s . . . . . . divide by 4

  6 = s . . . . . . . . . . subtract s

The octagon has 6-ft sides; the square has 12-ft sides.

8 0
3 years ago
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Oksanka [162]
k=\dfrac{7}{20}
7 0
3 years ago
Use the Central Limit Theorem to find a mean given a probability Question A video game company sells an average of 132 games a m
aev [14]

Answer:

The number of games must a store sell in order to be eligible for a reward is 135.

Step-by-step explanation:

Let the random variable <em>X</em> represent the number of video games sold in a month by the sores.

The random variable <em>X</em> has a mean of, <em>μ</em> = 132 and a standard deviation of, <em>σ</em> = 9.

It is provided that the company is looking to reward stores that are selling in the top 7%.

That is, P (\bar X > \bar x) = 0.07.

The <em>z</em>-score related to this probability is, <em>z</em> = 1.48.

Compute the number of games must a store sell in order to be eligible for a reward as follows:

z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}

\bar x=\mu+z\cdot \sigma/\sqrt{n}

   =132+1.48\times (9/\sqrt{36})\\\\=132+2.22\\\\=134.22\\\\\approx 135

Thus, the number of games must a store sell in order to be eligible for a reward is 135.

5 0
3 years ago
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