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ra1l [238]
3 years ago
8

5x + 2y + 8 + 7x −6y + 8 simplify

Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

Answer:

lets start with x = 5x+7x=12x

now y = 2y-6y= -4y

now reg numbers = 8+8=16

now add all of them not litteraly add by add as in make them into a expression

so

12x-4y+16

djyliett [7]3 years ago
3 0

Answer:

12x+16-4y

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given random sample 'n' = 1200

95% confidence interval for the mean μ is determined by

        (x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } )

Level of significance = 95% 0r 0.05

Z₀.₀₅ = 1.96

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Mean of the small sample = 10

95% of confidence intervals are

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95% confidence interval for the mean μ lies between ( 6, 14 )

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