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iVinArrow [24]
2 years ago
6

a math class surveyed the musical prefences of 42 students. use their data file to write a ratio for each comparison the three d

ifferent ways for a,b and c
Mathematics
1 answer:
AysviL [449]2 years ago
7 0

Answer:

Can You Mark Brainliest If I get right? I hope this helps! :)

Step-by-step explanation:

Students who prefer punk to

students who prefer hip-hop:

2 to 18

Students who prefer classic rock to the

total number of students surveyed:

4 to 42

Students who prefer rock or classic

rock to students who prefer all other

types of music:

16 to 26

Favorite Music Type                     Number of Students

Rock                                                   12

Classic rock                                        4

Hip-hop                                              18              

Punk                                                    2

Heavy metal                                       6    

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A student earned a grade of 80% on a math test that had20 problems. How many problems on this test did the student answer correc
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Answer:

Only 16 problems correct

Step-by-step explanation:

Well I thought that since 80% is  4/5 then I should do 20 divided by 5 which will get me 4 and since I'm doing 4/5 I should go all the way up to 80% of 20 which will get me 16.

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What is the area of this parallelogram? the perimeter is 19
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A contractor is in charge of hiring people for a construction project. The number of days it would take to complete the project
sweet-ann [11.9K]

Answer:

\text{Domain of x}=[1,\infty), x \in Z^+

Step-by-step explanation:

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f(x) =number of days it would take to complete the project

x =number of full-time workers.

\text{When x=0, }f(x)=\dfrac{280}{0}=$Undetermined\\\text{When x=1, }f(x)=\dfrac{280}{1}=$280 days\\\text{When x=280, }f(x)=\dfrac{280}{280}=$1 day\\\text{When x=560, }f(x)=\dfrac{280}{560}=$0.5 days

The domain of a function is the complete set of possible values of the independent variable.

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