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Nana76 [90]
4 years ago
7

(-6/7) (-9/5) type as a simplified fraction ??? HELP

Mathematics
2 answers:
Llana [10]4 years ago
6 0

-3/4  -3/5

i think  hopefully it is


Wittaler [7]4 years ago
4 0

Here is your answer:

In order to solve this question you have to multiply the fractions, and remember that a negative times a negative equals a positive.

  • \frac{-6}{7} \times \frac{-9}{5} =
  • \frac{-6}{7} \times \frac{-9}{5} = \frac{54}{35}
  • The numerator and the denominator don't have a common factor therefore cannot be reduced.
  • = \frac{54}{25}
  • You can also switch the improper fraction into a mixed number which would be 1\frac{19}{35}

Therefore your answer will be "54/25 or 1 19/35."

Hope this helps!

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Answer:

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Step-by-step explanation:

12x+252=324

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12x+252-252=324-252

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WARRIOR [948]

The mean is 85.2

Explanation:

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According to the Sleep Foundation, the average night’s sleep is 6.8 hours. Assume the standard deviation is .6 hours and that th
Ivan

Answer:

9.18% probability that a randomly selected person sleeps 6 hours or less

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

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In this problem, we have that:

\mu = 6.8, \sigma = 0.6

What is the probability that a randomly selected person sleeps 6 hours or less?

This is the pvalue of Z when X = 6. So

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

Z = \frac{6 - 6.8}{0.6}

Z = -1.33

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3 years ago
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84.9

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