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guapka [62]
2 years ago
9

4. What is y = (3x – 9)(x + 2) in standard

Mathematics
2 answers:
LenKa [72]2 years ago
8 0

Answer:

B)y = 3x^2 - 3x-18

Step-by-step explanation:

y = (3x – 9)(x + 2)

y = 3x*x+3x*2-9*x-9*2

y = 3x^2 +6x-9x-18

y = 3x^2 - 3x-18

ioda2 years ago
6 0

Answer: It is B

It is hard to explain online, but I know it is the right answer.

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Luden [163]

\left[\begin{array}{ccc}2&6&3\\-5&1&4\end{array}\right]

R1 ÷ 2  = \left[\begin{array}{ccc}1&3&1.5\\-5&1&4\end{array}\right]

R2 ÷ -5 = \left[\begin{array}{ccc}1&3&1.5\\1&-0.2&-0.8\end{array}\right]

R2: R1 - R2  = \left[\begin{array}{ccc}1&3&1.5\\0&3.2&2.3\end{array}\right]

R2 ÷ 3.2 =  \left[\begin{array}{ccc}1&3&1.5\\0&1&0.71875\end{array}\right]

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3 years ago
If four out of ten people vote than a town with two hundred thousand people how many will vote
oksano4ka [1.4K]

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80,000 people will vote. I'm pretty sure

Step-by-step explanation:

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V125BC [204]

Answer:

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Step-by-step explanation:

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