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erastovalidia [21]
4 years ago
5

Monica surveyed a random sample of 100 students from her middle school to learn more about what type of school lunches are prefe

rred. The table shows the result of the survey. Hamburgers Tacos Pizza Sample #1 44 43 13 Sample #2 39 41 20 Which of the following inferences can be made based on the data? Hamburgers are the most preferred lunch. Pizza is two times more popular than tacos. Pizza is two times more popular than hamburgers. Hamburgers and tacos are almost equally preferred.
Mathematics
1 answer:
Nat2105 [25]4 years ago
4 0
Hamburgers and tacos are almost equally preferred. Sample 1 says 44 and 43 while sample 2 says 39 and 41.
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Convert 13,000,000,000,000,000,000,000,000 to scientific notation.
jek_recluse [69]

Answer:

1.3 times 10 to the 25th power

Step-by-step explanation:

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Read 2 more answers
Question 2(Multiple Choice Worth 1 points) (06.01) Solve 2x + 5y = −13 3x − 4y = −8 (4, 1) (−4, 1) (4, −1) (−4, −1)
dlinn [17]
ANSWER

The solution is
(-4,-1)


EXPLANATION

The given equations are:

2x + 5y =  - 13...(1)

and

3x - 4y =  - 8...(2)


We multiply equation 1 by 3 to get,

6x + 15y =  - 39...(3)

We multiply equation 2 also by 2 to get,

6x - 8y =  - 16...(4)

We subtract equation 4 from equation 3 to get,


23y =  - 23
This implies that,

y =  - 1

We put this value of y into any of the equations say equation 2

3x - 4( - 1) =  - 8
Simplify

3x + 4 =  - 8
Group like terms
3x =  - 8 - 4
Simplify,

3x =  - 12

Divide both sides by 3 to get,

x =  - 4


Therefore the solution is
(-4,-1)

The correct answer is option D.
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DENIUS [597]
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6 0
4 years ago
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