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BigorU [14]
2 years ago
6

Help pls with O ill give brainliest

Mathematics
2 answers:
Karolina [17]2 years ago
6 0

Answer:

6x-12

Step-by-step explanation:

I think this is the answer I am so sorry if Im wrong but 3*2x = 6x and then -4*3 = -12

Ulleksa [173]2 years ago
4 0

Answer:

6x - 12

Step-by-step explanation:

3(2x - 4) ← multiply each term in the parenthesis by 3

= 6x - 12

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A Local group claims that the police issue more than 60 speeding tickets a day in thire area. To prove their point, they randoml
MissTica

Answer:

The group's claim is not supported at 1% significance level.

Step-by-step explanation:

given that a local group claims that the police issue more than 60 speeding tickets a day in thire area

The data they collected for 2 weeks is given below:

70 48 41 68 69 55 70

57 60 83 32 60 72 58

\bar x = 60.2\\s = 12.9\\n=14

Std error of mean = \frac{12.9}{\sqrt{14} } \\=3.4477

H_0: \bar x=60\\H_a: \bar x >60

(Right tailed test at 1% significance level)

Mean difference = 0.10

Test statistic t with df 13 = mean difference/std error

= 0.029

p value = 0.4886

Since p >0.01, we accept null hypothesis

The group's claim is not supported at 1% significance level.

7 0
3 years ago
Having a little trouble help?
Yakvenalex [24]

Answer:

x/5 - 7 = 8

Step-by-step explanation:

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Which is a correct first step for solving this equation?<br> - 32 + 2 - 52 - 7 = 4x + 2
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Answer:

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Step-by-step explanation:

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