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GuDViN [60]
3 years ago
10

A record label surveyed 150 random visitors to its website to discover whether they prefer metal, rock, hip-hop, or jazz. The su

rvey showed that 27 visitors preferred metal, 78 preferred rock, 21 voted for hip-hop, and 24 liked jazz. If the company estimates sales of 6,000 copies a week at its online store, how many will likely be from the rock genre?
1,040
3,000
3,120
4,200
Mathematics
2 answers:
mina [271]3 years ago
6 0

Answer:      C is the answer

Step-by-step explanation:

maria [59]3 years ago
4 0
Probability (rock) :

78 / 150 = 13/25 = 52%

Rock is preferred by 52% of the 150 visitors that were surveyed

To find how many people will likely sell from the rock genre, you need to find 52% of the estimated sales (6,000 copies).

      52% • 6000 = 3,120

Answer: C. 3,120
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How do you do this?<br> Please help, I’ve been staring at this for like 10 min :)
damaskus [11]

Answer & Step-by-step explanation:

The formula is given in the middle. You are supposed to insert the value of x into this formula to find the value of y (like in the first given example):

x=-2\\y=2(-2)+5\\y=-4+5\\y=1

------

x=-1\\y=2(-1)+5\\y=-2+5\\y=3

------

x=0\\y=2(0)+5\\y=0+5\\y=5

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x=1\\y=2(1)+5\\y=2+5\\y=7

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x=2\\y=2(2)+5\\y=4+5\\y=9

:Done

3 0
3 years ago
What are the degree and zeros of the polynomial f(x)=(x-2)^5
kipiarov [429]

Answer: Degree is 5 and zero of polynomial is 2

3 0
3 years ago
0.08x+0.03 (29000-x)=
pshichka [43]
0.08*​x+​0.03*​(29000-​x)<span> </span>
6 0
3 years ago
Read 2 more answers
A movie theater charges $9.50 for adults and $4.50 for children. For a recent showing of a movie, the theater sold 33 tickets an
choli [55]

Answer:

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

Step-by-step explanation:

Let

x ---> the number of children's tickets sold

y ---> the number of  adult tickets sold

we know that

the theater sold 33 tickets

so

x+y=33 -----> equation A

the theater made a total of $158.50

so

4.50x+9.50y=158.50 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (31,2)

see the attached figure

therefore

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

5 0
3 years ago
An alloy consists of nickel, zinc, and copper in the ratio 2:7:9.
docker41 [41]
Zinc = 7/18
Divide 4.9 by 7 = 0.7
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The answer is 12.6 lbs of alloy. Sorry if I'm wrong
4 0
3 years ago
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