2 years ago

Hello, pls help me. <3

Mathematics

1 answer:

natali 33 [55]2 years ago

8 0

Answer:

D. 12

Step-by-step explanation:

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How to solve this equation equal to zero

hjlf

3x² -16x-12 =0

We can solve this equation using formula.

a=3, b=-16, c=-12

$x= \frac{-b+/- \sqrt{b^{2} -4ac} }{2a} 
\\ \\ x= \frac{16+/- \sqrt{16^{2}+4*3*12} }{2*3} = \frac{16+/- \sqrt{400} }{6} = \frac{16+/-20}{6} 
\\ \\ x_{1}= \frac{16+20}{6} =6
\\ \\x_{2}= \frac{16-20}{6} =- \frac{4}{6} = -\frac{2}{3}$

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3 years ago

Combine like terms to create an equivalent expression

klasskru [66]

Answer:

1/6a-1/6

Step-by-step explanation:

-2/3 transferred into 6th's is -4/6. You combine like terms, -4/6a+5/6a=1/6a

Then since -1/6 doesn't have a like term, it stays the same.

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3 years ago

Which go with which

katrin2010 [14]

Answer:

There are 88 adults and 132 children

Step-by-step explanation:

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3 years ago

The teams ratio of games won to games played was 5 to 6. If the team played 36 games how many games did The team fail to win

alexdok [17]

Answer:

well this is simple 5x6= 30 and 6x6= 36 so its 30/6

Step-by-step explanation:

because we need to get 6 to 36 and we know that 6x6 then you also have to multiply 5x6 so then thats 30

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2 years ago

Skye ran r laps today at soccer practice. Nadine ran five fewer laps than Skye. If Nadine ran eight laps at practice, which of t

velikii [3]

Skye would have ran 13 laps

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3 years ago