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netineya [11]
3 years ago
11

HURRY TWO MINUTES PLEASE HURRY DO IT FAST

Mathematics
2 answers:
Sholpan [36]3 years ago
7 0

Answer:

B

Step-by-step explanation:

First, expand the function with FOIL

(3x - 4)(-6x + 5)

(-18x² + 15x + 24x - 20)

Combine like terms

(-18x² + 39x -20)

This is a quadratic function because it has x² and linear functions just have x.

So, B is the answer because it is quadratic and it has the correct quadratic, linear, and constant terms.

Tems11 [23]3 years ago
7 0

Answer:

B

Step-by-step explanation:

-18x^2+39x-20

ax^2+bx+c

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<em><u>Step-by-step explanation:</u></em>

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2 years ago
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Dmitry [639]

Answer:

it's estimated that 750 students in the whole school dislike the 8:30am start time.

Step-by-step explanation:

Since 30 of the 40 students said "no", it means 30/40, or 3/4 of the random sample disliked the 8:30am start time. Multiply this by the whole population: 1,000 × (3/4) = 750.

Another way to check this is using 10/40 = .25 and doing 1000x.25 = 250 (the amount of students who liked it). Then subtract from whole population and it's 750.

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2 years ago
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3 years ago
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