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nordsb [41]
3 years ago
13

8,-1,-5,2? Which one!.............

Mathematics
1 answer:
Lunna [17]3 years ago
4 0

Answer: I would say -8,-1

Step-by-step explanation:

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Solve x2 + 4x − 4 = 0
hoa [83]

Answer:

third option

Step-by-step explanation:

Given

x² + 4x - 4 = 0 ( add 4 to both sides )

x² + 4x = 4

Using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 4 + 4, that is

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x + 2 = ± \sqrt{8} = ± 2\sqrt{2} ( subtract 2 from both sides )

x = - 2 ± 2\sqrt{2}

7 0
3 years ago
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Nikitich [7]
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3 years ago
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Step-by-step explanation:

4 0
3 years ago
7.5% of the grade has green eyes if there are 120 students in the grade how many dont have green eyes​
GREYUIT [131]

Answer:

Step-by-step explanation:

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8 0
3 years ago
The poorest person in a country has 50$ and the richest had $9.956. How much less money does the poorest have
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$9.956-$50 = 40.044$
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3 years ago
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