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Neporo4naja [7]
3 years ago
5

What do I supposed to do ?

Mathematics
1 answer:
pentagon [3]3 years ago
6 0

the have identical length so to know the length of each pipe you should divide 22.4 by 7

22.4 / 7 = 3.2

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Question #2
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First, the student performed what was inside of the parentheses and was exponential, which is correct. We know this because of the rules called order of operations, outlined by PEMDAS, which tells us to perform mathematical operations in the following order: parentheses, exponents, multiplication, division, addition, subtraction.

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Next in PEMDAS is addition, so we should perform the operation -16 + 9.

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Therefore, the student did the first step correctly but performed the second step incorrectly. The final answer should be 16 after simplification.

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