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Firlakuza [10]
3 years ago
5

Please helpp!!!!!!!!​

Mathematics
2 answers:
Otrada [13]3 years ago
4 0

Step-by-step explanation:

the answer is in picture

Goshia [24]3 years ago
4 0

Step-by-step explanation:

hope it will help you...

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What quadratic formula do I need to use to solve 3x(x+6)=-1
timofeeve [1]

Answer:

\Large  \boxed{x_1=\frac{9+\sqrt{51} }{3}  \ \  ;  \ \ x_2=\frac{9-\sqrt{51} }{3} }

Step-by-step explanation:

\displaystyle \Large \boldsymbol{} 3x(x+6)=-10  \\\\3x^2+18x=-10 \\\\3x^2+18x+10=0 \\\\D=324-120=204 \\\\ x_{1;2}=\frac{18\pm2\sqrt{51} }{6} =\frac{9\pm\sqrt{51} }{3}

3 0
3 years ago
HELP IM GIVING 20 POINTS LIKE PLZZ I NEED HELP​
maria [59]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
Macy is tutoring students in mathematics during her summer break. She charges $20 for a 30 minute session and $35 for an hour. T
Zanzabum
If she only had 1 hour sessions she had 8 sessions in the first week because if you do 35 times 8 you get 280. 
7 0
3 years ago
The position of a digit in a number that determines its value
Maslowich
So in long numbers or any number the positon determines its in the ones, tenths, hundredths 

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4 0
3 years ago
1. Evaluate: 2 + x - 2(8) for x = 9
Oduvanchick [21]

Answer:

-5

Step-by-step explanation:

2+9-2(8)

11-16

6 0
2 years ago
Read 2 more answers
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