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Jobisdone [24]
2 years ago
6

How many solutions does 2/3 (3x - 15) = x - 10 have?

Mathematics
1 answer:
irina1246 [14]2 years ago
6 0

Answer:

2/3 [3x - 15] =x-10

open the brackets first

[2/3 x3x] -[2/3 x15 =x - 15

2x - 10 =x - 10

put the like terms together

2x -x =-10 +10

x=0

Step-by-step explanation:

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Read 2 more answers
A statistician uses Chebyshev's Theorem to estimate that at least 15 % of a population lies between the values 9 and 20. Use thi
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Answer:

\mu = 14.5\\

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Step-by-step explanation:

given that a  statistician uses Chebyshev's Theorem to estimate that at least 15 % of a population lies between the values 9 and 20.

i.e. his findings with respect to probability are

P(9

Recall Chebyshev's inequality that

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Comparing with the Ii equation which is appropriate here we find that

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Thus from the given information we find that

\mu = 14.5\\\sigma = 5.071\\k = 1.084

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