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Amiraneli [1.4K]
3 years ago
10

For a school play, the teacher asked the class to set up chairs in 20 rows with 25 chairs in each row. After setting up all the

chairs, they were 5 chairs short. How many chairs did the class set up
Mathematics
2 answers:
Dimas [21]3 years ago
8 0
The answer is 495 chairs. this is because the 20 rows x 25 chairs in each row=500 total chairs. if they were 5 shorts you have to subtract 5 from 500 which is 495 chairs.
pantera1 [17]3 years ago
6 0
20 rows * 25 chairs=500 chairs
500-5=495
Answer=495
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8 x(11-3) + 9 with and exponent of 2
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zlopas [31]

The expressions are irrational 1/3 + √216 and √64+ √353 and the expressions √100 × √100, 13.5 + √81, √9 + √729, and 1/5 + 2.5 are rational number.

<h3>What is a rational number?</h3>

If the value of a numerical expression is terminating then they are the rational number then they are called the rational number and if the value of a numerical expression is non-terminating then they are called an irrational number.

1.  √100 × √100

→ √100 × √100

→ 10 × 10 = 100

This is a rational number.

2.  13.5 + √81

→ 13.5 + √81

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→ √9 + √729

→ 3 + 27 = 30

This is a rational number.

4.  √64+ √353

→ √64 + √353

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→ 1/5 + 2.5

→ 0.2 + 2.5 = 2.7

This is a rational number.

More about the rational number link is given below.

brainly.com/question/9466779

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2 years ago
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Step-by-step explanation:

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3 years ago
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Answer:

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