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3 years ago

Gilbert walked 288 minutes. that is 4 times as many minutes as Eileen walked. how many minutes ,m, did Eileen walk?

Mathematics

2 answers:

Fofino [41]3 years ago

6 0

Answer:

72 min

Step-by-step explanation:

288 / 4 = 72

zimovet [89]3 years ago

3 0

288/4 = 72 so eileen walked for 72 minutes

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svetoff [14.1K]

Answer:

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Step-by-step explanation:

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Consider the equation: 12x=13-x^212x=13−x 2 12, x, equals, 13, minus, x, squared 1) Rewrite the equation by completing the squar

Flauer [41]

Answer:

$(x + 6)^2 = 49$

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Step-by-step explanation:

Given

$12x = 13 - x^2$

Using Completing the Square

$12x = 13 - x^2$ ---- Add $x^2$ to both sides

$x^2 + 12x = 13 - x^2 + x^2$

$x^2 + 12x = 13$

Divide the coefficient of x by 2; then add the square to both sides

$x^2 + 12x + 6^2 = 13 + 6^2$

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Factorize

$x^2 + 6x + 6x + 36 = 49$

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$(x + 6)(x + 6) = 49$

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Hence, the equation is $(x + 6)^2 = 49$

Solving further

Take square root of both sides

$(x + 6) = \sqrt{49}$

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$x = \±7- 6$

This implies that

$x = 7 - 6$ or $x = -7 -6$

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