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miv72 [106K]
3 years ago
7

Simplify the fraction to lowest terms 18/9 ​

Mathematics
2 answers:
enot [183]3 years ago
6 0

Answer:

<h3>2</h3>

Step-by-step explanation:

18/9

Simplify the fraction.

(18 ÷ 9) / (9 ÷ 9)

2/1

= 2

Fantom [35]3 years ago
3 0
2/1 or just 2 because u can divide 9 into 18 and get 2 and 9 into 9 to get 1.
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Problems of normally distributed samples are solved using the z-score formula.

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Z = \frac{X - \mu}{\sigma}

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\mu = 116, \sigma = 16

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If Z<-2 or Z > 2, the IQ score is unusual.

So the z-scores that separate the unusual IQ scores from those that are​ usual are Z = -2 and Z = 2.

What are the IQ scores that separate the unusual IQ scores from those that are​ usual?

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X - 116 = 2*16

X = 148

The IQ scores that separate the unusual IQ scores from those that are​ usual are 84 and 148.

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