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Nastasia [14]
3 years ago
7

1

Mathematics
1 answer:
amm18123 years ago
5 0

Answer:

30m squared carpet is needed to cover the hallway and the living room.

Step-by-step explanation:

Living room area

6 × 4.2 = 25.2

Hallway area

3.2 × 1.5 = 4.8

Total area

25.2 + 4.8 = 30m squared

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Use cramer's rule to determine if the system is inconsistent system or contains dependent equations. 2x + 7 = 8 6x + 3y = 24 que
Natali [406]
Answer: In the equations that you have given, we have a dependent system.

2x + y = 8 (I assumed that you meant to type y instead of 7)
6x + 3y = 24


To use Cramer's Rule, we have to take the determinant of 3 different matrices written in the problem. Taking the determinant of the coefficient matrix produces a zero.

2  1   This is the coefficient matrix.
6  3

6 - 6 = 0

Since this is 0, the rest of the work will be undefined meaning the systems are dependent (or they are the versions of the same equation).
8 0
3 years ago
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OLEGan [10]
Job A pays better


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Job A pays $20,696 per year

Job B only pays $17,500
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3 years ago
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Answer:

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Answer:

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Step-by-step explanation:

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