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alexdok [17]
3 years ago
6

X/7=21 what is the answer

Mathematics
2 answers:
Tems11 [23]3 years ago
5 0
<span>here is the answer x = -147

Hope its the answer

</span>
igomit [66]3 years ago
4 0
You have to multiply -21 and 7, so you get x=-147
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According to records, the amount of precipitation in a certain city on a November day has a mean of 0.10 inches, with a standard
Andru [333]

Answer:

The probability that the mean daily precipitation will be 0.11 inches or less for a random sample of November days

P(X≤ 0.11) = 0.4404

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the mean of the Population = 0.10 inches

Given that the standard deviation of the population = 0.07inches

Let 'X' be a random variable in a normal distribution

Z = \frac{x-mean}{S.D} = \frac{0.11-0.10}{0.07} = 0.1428

<u><em>Step(ii):-</em></u>

The probability that the mean daily precipitation will be 0.11 inches or less for a random sample of November days

P(X≤ 0.11) = P(Z≤0.1428)

               =  1-P(Z≥0.1428)

              =  1 - ( 0.5 +A(0.1428)

            =  0.5 - A(0.1428)

            = 0.5 -0.0596

           = 0.4404

<u><em>Final answer:-</em></u>

The probability that the mean daily precipitation will be 0.11 inches or less for a random sample of November days

P(X≤ 0.11) = 0.4404

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2 years ago
If H is the circumcenter of triangle BCD, find each measure. CD, CE, HD, GD, HG, HF
Levart [38]

Answer:

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  • HG = √HD ²-GD² = √33²-29² = 2√62 ≈ 15.75
  • HF = √HD ²-FD² = √33²-32² =√65 ≈ 8.06
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Step-by-step explanation:

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2 years ago
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Use the formula a^(x/n) = (n)√a^x   (note it is a small n)

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5 0
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