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Ilia_Sergeevich [38]
3 years ago
13

25 points/ brainlyest help plzzzz check the photo

Mathematics
1 answer:
Oxana [17]3 years ago
6 0

I think it is a compressed spring.


hope it helps

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Solve the equation
inysia [295]

Answer:

x ≈ 1.32, x ≈ - 5.32

Step-by-step explanation:

Given

x² + 4x - 7 = 0 ( add 7 to both sides )

x² + 4x = 7

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

x² + 2(2)x + 4 = 7 + 4

(x + 2)² = 11 ( take the square root of both sides )

x + 2 = ± \sqrt11} ( subtract 2 from both sides )

x = - 2 ± \sqrt{11}

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x = - 2 + \sqrt{11} ≈ 1.32 ( to 2 dec. places )

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USPshnik [31]

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Answer:

Step-by-step explanation:

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