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navik [9.2K]
3 years ago
12

What is X in this question: x/3+x/4+1=x/2

Mathematics
2 answers:
alexira [117]3 years ago
7 0

Answer: x= - 12

Step-by-step explanation:

Zepler [3.9K]3 years ago
4 0

Answer:

x = -12

Step-by-step explanation:

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elixir [45]

Answer:

y = -3x - 1

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3 years ago
In a large population of college-educated adults, the mean IQ is 118 with a standard deviation of 20. Suppose 200 adults from th
cricket20 [7]

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Step-by-step explanation:

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P(X > 120) = 1 - P(X < 120)

Standardize the mean IQ using the sampling formula : Z = (X - μ) / σ/sqrt n

Where;  X = sample mean IQ; μ =population mean IQ; σ = population standard deviation and n = sample size

Therefore, P(X>120) = 1 - P(Z < (120 - 118)/20/sqrt 200)

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3 years ago
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miv72 [106K]

Answer:

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Step-by-step explanation:

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