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ValentinkaMS [17]
2 years ago
10

How many solutions does the system have? { y = − 7 x + 8 y = − 7 x − 8 ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ y=−7x+8 y=−7x−8 ​

Mathematics
2 answers:
svp [43]2 years ago
3 0

Answer:

woooo that is difficult

kondor19780726 [428]2 years ago
3 0

Answer:

I know right

Step-by-step explanation:

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Quartiles are statistical measures that the divide the data into four groups.

The first quartile (Q₁) indicates that 25% of the observation are less than or equal to Q₁.

The second quartile (Q₂) indicates that 50% of the observation are less than or equal to Q₂.

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It is provided that the first quartile is at 90 points.

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The number of students who scored more than 90 points is: 1000 × 0.75 = 750.

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