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jekas [21]
3 years ago
11

suppose 8 out of every 20 students are absent from school less than 5 days a year predict how many students would be absent from

school less than five days a year out of 40,000 students
Mathematics
1 answer:
Liula [17]3 years ago
4 0
40,000 divided by 20 = 500
500 x 12 (which was 20-8)= 6,000
6,000 students
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Lerok [7]

Answer:

Variable x = cost of cookies

Variable y = cost of brownies

System of equations:

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10x + 6y = 20.50

Step-by-step explanation:

Variable x: $ cookies

Variable y: $ brownies

2x + 3y = 9.50

10x + 6y = 20.50

I'm not entirely sure how to explain this one, but my best advice is to just take it step by step when doing these problems. Multiple questions can feel overwhelming so just focus on one question at a time.

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kotegsom [21]

The incorrect rounding for 53.864 is 53.87

<h3>How to approximation a decimal?</h3>

The decimal to be approximated is as follows;

53.864

The first option rounded the decimal to 2 significant figures or a whole number.

The second option is incorrect because they rounded it wrongly to 2 decimal places. The correct 2 decimal round is 53.86.

The third option is approximated rightly to one decimal place.

The last option is rounded to the closes tens term.

learn more on approximation here: brainly.com/question/9608644

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