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Nana76 [90]
3 years ago
7

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

Mathematics
2 answers:
Llana [10]3 years ago
6 0

-3/4  -3/5

i think  hopefully it is


Wittaler [7]3 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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Heights of young adult women in the United States are approximately Normal with a mean of 64 inches and standard deviation 2.7 i
sweet-ann [11.9K]

Answer:

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Step-by-step explanation:

From the question we are told that

   The mean is  \mu =  64 \ inches

    The standard deviation is  \sigma =  2.7 \  inches

Generally  6 feet  is equivalent to 6 * 12 = 72 inches

Generally the proportion of all young adult women in the United States are taller than 6 feet(72 inches ) is mathematically represented as

       P( X >  72) =  P(\frac{X - \mu }{\sigma }  >  \frac{72  - 64 }{ 2.7 } )

\frac{X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ X )

       P( X >  72) =  P(Z >  2.963 )

From the z-table

  The area under the normal  curve to the right corresponding to 2.963  is  

     P(Z >  2.963 ) = 0.0015233

=>   P( X >  72) =0.0015233

3 0
3 years ago
Fill in the blank.
goldenfox [79]

Answer:

In the given expression  x:6 ::  3:9 , x  = 2

Step-by-step explanation:

Here, the given expression is:

x:6 ::  3:9

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So, by the RATIO OF PROPORTIONALITY:

\frac{x}{6} = \frac{3}{9}\\\implies x = \frac{3}{9} \times  6 = 2

or, x = 2

Hence, in the given expression  x:6 ::  3:9 , x  = 2

4 0
3 years ago
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