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maw [93]
2 years ago
12

C.6 12. Expand & simplify: (x - 5)(x-4)

Mathematics
1 answer:
Butoxors [25]2 years ago
6 0

Answer:

Step-by-step explanation:

(x - 5)(x-4)

= x(x) - 4(x) - 5(x) - 4(-5)

= x^2 - 4x - 5x + 20

= x^2 - 9x + 20

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Answer:

The correct answer is 72 + 4 × x \geq 400.

Step-by-step explanation:

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.

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Thus the inequality to determine the number of tickets the committee could sell to have money left over after they pay for this year's dance is given by,

72 + 4 × x \geq 400.

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