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2 years ago

In a survey of 800 students,

Mathematics

1 answer:

Lunna [17]2 years ago

8 0

The bar graph shows in the attachment bases on frequency distribution equation for Lunch is 68:22:10 which mean the equation is 68x+22y+10 is the combined information.

Step-by-step explanation:

Column lunch and row had Pizza,Hamburger and Sloppy joe.
The total 548,173 and 79 total to 800 students.
Creating a bar graph series name is lunch and series value is pizza....
hamburgers and sloppy joes.
Frequency distribution basis on percentage involves...
Number of categories/ Total number of students.
68:22:10 so the distribution has about 68 percent of people....
Eat pizza more than hamburger and sloppy joes.
Horizontal axis has about Pizza,Hamburger and Sloppy joes.

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Answer:

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2 years ago

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2 years ago

BRAINLIEST & 25 POINTS PLEASE HELP URGENT DUE IN 10 MINUTES.

Cerrena [4.2K]

Answer:

C) 24 adults

Step-by-step explanation:

Let A be the number of adults and C be the number of children.

If a ticket costs $8 per adult, we can express this as 8A

If a ticket costs $5 per child, we can express this as 5C

Combining the two expressions, we can write 8A+5C=272 as our first equation since the total amount of money collected is $272.

Our second equation would be A+C=40 since there are 40 people.

Now, we can take the second equation and write it as C=40-A so we can substitute the value of C into the first equation as 40-A so we only have to deal with one variable, the amount of adults that went to the theater.

The first equation now becomes 8A+5(40-A)=272 and is much easier to solve:

8A+5(40-A)=272

8A+200-5A=272

3A+200=272

3A=72

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Therefore, there are 24 adults

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2 years ago

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MArishka [77]

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explanation

The z scores are standard deviations. If, for example, a tool returns a z score of +2.5, it means that the result is a standard deviation of 2.5. Very high or very low (negative) z scores associated

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1 year ago