2 years ago

Factor the following expression. x4 – 3x2 - 4

1 answer:

7 0

(x2 +1) (x2-4) (mark as brainiest)

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Leviafan [203]

Answer:

Like a square, a rectangle has lines that are perpendicular to two other lines. This means it also has four right angles.

Step-by-step explanation:

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2 years ago

frez [133]

Answer: $2\dfrac13\text{ miles per hour}$

Step-by-step explanation:

Given: Distance traveled by Smith = $\dfrac23$ mile.

Time taken = $\dfrac27$ hour

Unit rate in miles per hour = ( Distance traveled by Smith) ÷ (Time taken)

$=\dfrac23\div\dfrac27$

$\\\\=\dfrac23\times\dfrac72\\\\=\dfrac73\\\\=2\dfrac13\text{ miles per hour}$

Unit rate = $2\dfrac13\text{ miles per hour}$

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nignag [31]

Answer:

Step-by-step explanation:

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borishaifa [10]

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seraphim [82]

1. 2x and 6y Because
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