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3 years ago

12

Which expressions are equivalen] to x^3 + 9x^2 ?

1 answer:

Minchanka [31]3 years ago

4 0

Answer:3a. Stu ?

Step-by-step explanation:

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Kathy had $10 and gave half of it to her brother. She then gave a third of the remaining

liq [111]

Kelly has $10

- half: $10 - 1/2 x $10

$10 - $5 = $5

- one third: $5 - 1/3 x $5

$5 - $1.6667... or $5 - $1 and 2/3 = $3.33... or $3 and 1/3 or $10/3

She will have left $3.33 left, or $3 and 1/3

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2 years ago

9.<br> What is the solution of the equation x^2 + 6x + 41 = 0?

ExtremeBDS [4]

Answer:

there is no solution

Step-by-step explanation:

x^2 + 6x + 41 = 0?

Δ= $6^{2}-4*41=36-164=-128$

Δ<0 so there is no solution

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3 years ago

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stiv31 [10]

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Step-by-step explanation:

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On which number line do the letters represent -5 and +3?

Vika [28.1K]

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