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Nastasia [14]
3 years ago
7

Which is a rational number? √6 √36/16 √16/6 √36/6

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0
Second and fourth are rational number
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If ABC = DEF, then angle <br> A. SAS congruence <br><br> B. SSS congruence<br><br> C. CPCTC
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Hey there! :D

If you already know that two triangles are congruent, (which is given)

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12,000 g____1.2 kg A greater than B less than C equal to
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12000 g would be equal to 12 kg not 1.2 kg so the answer has to be A) greater than.

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Nolan has $20 in his bank account and can save $10 each week from doing chores. He wants to save more than $85 for a new video g
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The ratio of girls to boys in Liza’s classroom is 5 to 4. How many girls are in her classroom if there is a total of 27 students
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5 0
3 years ago
Suppose that your business is operating at the 4.5-Sigma quality level. If projects have an average improvement rate of 50% annu
Luda [366]

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  11.75 years

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If we ignore the fact that "6-sigma" quality means the error rate corresponds to about -4.5σ (3.4 ppm) and simply go with ...

  P(z ≤ -6) ≈ 9.86588×10^-10

and

  P(z ≤ -4.5) ≈ 3.39767×10^-6

the ratio of these error rates is about 0.000290372. We're multiplying the error rate by 0.5 each year, so we want to find the power of 0.50 that gives this value:

  0.50^t = 0.000290372

  t·log(0.50) = log(0.00290372) . . . . take logarithms

  t = log(0.000290372)/log(0.50) ≈ -3.537045/-0.301030

  t ≈ 11.75

It will take about 11.75 years to achieve Six Sigma quality (0.99 ppb error rate).

_____

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A 3.4 ppm error rate is customarily associated with "Six Sigma" quality. It assumes that the process may have an offset from the mean of up to 1.5 sigma, so the "six sigma" error rate is P(z ≤ (1.5 -6)) = P(z ≤ -4.5) ≈ 3.4·10^-6.

Using that same criteria for the "4.5-Sigma" quality level, we find that error rate to be P(z ≤ (1.5 -4.5)) = P(z ≤ -3) ≈ 1.35·10^-3.

Then the improvement ratio needs to be only 0.00251699, and it will take only about ...

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5 0
3 years ago
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