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Stolb23 [73]
3 years ago
8

Can someone help me

Mathematics
1 answer:
Vesna [10]3 years ago
6 0
The closest to 40% is class A
You are looking for a decimal closest to 0.4
40/110= .36364, which is the closest
I found this by setting the chances 4/10, which is just 40% which also equals 0.4
Do the same with each class, girls/boys to find their decimals
A was closest
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Answer:

178/662

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Solve the system by elimination. (Please explain how to do it)
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Apply to Row 2 : Row 2 + Row 1

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<em>Note that the matrix is in echelon form now. The next steps are for back substitution.</em>

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Apply to Row 1: Row 1 - 3 Row 3

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Apply to Row 1: Row 1 - 2 Row 2

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3 years ago
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