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xenn [34]
3 years ago
13

A group of students is researching the music choices of America's high school students. To conduct the survey they take a poll a

t a high school in downtown New York City. Will the results of this survey give the researchers a good indication of the music choices of America's youth? Why or why not?
A) Yes, students in New York City represent all of the students in the USA.
B) No, the students in the high school are not accustomed to being part of a survey.
C) Yes, students in New York City have the best taste in music so they would make a great sample group.
D) No, in order to get an accurate sample, researchers should survey students from various high schools in various states including urban, rural, public, and private.
Mathematics
2 answers:
Luden [163]3 years ago
4 0
No, in order to get an accurate sample, researchers should survey students from various high schools in various states including rural,urban,public and private
marusya05 [52]3 years ago
3 0

Answer:

D) No, in order to get an accurate sample, researchers should survey students from various high schools in various states including urban, rural, public, and private.

Step-by-step explanation:

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Gnesinka [82]

Answer:

Y=3x-2

Step-by-step explanation

4 0
3 years ago
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Micah's gym is moving into a bigger space, where he can have more stationary bicycles and treadmills. Micah needs both stationar
marin [14]

Answer:

Options (2), (3), (5) and (6)

Step-by-step explanation:

Let the number of bicycles = x

and the number of treadmills = y

Since, number of new bicycles must be more than \frac{1}{3} times of new treadmills,

Inequality representing the statement will be,

x > \frac{1}{3}y

Each bicycle costs $340 and each treadmill costs $670.He must spend less than $5650,

Inequality will be,

340x + 670y < 5650

And the number of bicycles and treadmills should be greater than 0.

x > 0

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Option (2)

Option (3)

Option (5)

Option (6)

3 0
3 years ago
13
luda_lava [24]

Answer:

0.028x-6-0.48x-2+0.552x

(0.028-0.48+0.552)x-6-2

0.1x-8

8 0
3 years ago
A wire is first bent into the shape of a square. Each side of the square is 9cm long. Then the wire is unbent and reshaped into
EastWind [94]

Answer:

5 cm

Step-by-step explanation:

the perimeter of a square with sides of 9 cm is 36 cm so the rectangle must have the same perimeter

if the length of the rectangle is 13cm, its opposite side is also 13cm

add 13 + 13 to get 26

let 'n' = width of rectangle

perimeter = 26 + n + n

36 = 26 + 2n

2n = 10

n = 5

8 0
3 years ago
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If 4 electricians can complete a job in 8 hours how long will it take 3 electricians to complete the same job
levacccp [35]
We know that

if <span>4 electricians can complete a job in 8 hours
then
</span>100% of a job -------> 8 hours
x------------------> 1 hour
x=100/8----> x=12.5%

divide by 4 electricians
12.5%/4-----> 3.125%
that means each electrician can complete 3.125% of a job in 1 hour

therefore
3 electricians-----> 3*3.125%----> 9.375% in 1 hour
so
9.375%-----------> 1 hour
100%--------------> x
x=100/9.375----> x=10.67 hours

the answer is
10.67 hours

8 0
3 years ago
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