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icang [17]
2 years ago
6

Which expressions are equivalent to 2(4f + 2g)?

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
8 0

Answer:

For example, 8f + 4g is one of the most used expression

Another example is 4 (2f + g), is correct too

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What is the reciprocal of 8 8/5 ?
Ksenya-84 [330]

Answer:

\frac{5}{48}

Step-by-step explanation:

The reciprocal of a number n is \frac{1}{n}

Given 8 \frac{8}{5}, change to an improper fraction

= \frac{5(8)+8}{5} = \frac{48}{5}, thus

reciprocal = \frac{1}{\frac{48}{5} } = \frac{5}{48}

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IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an of 122 ,
marusya05 [52]

Answer:

B. 93%

Step-by-step explanation:

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Find the probability using a calculator or z-score table.

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