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Neporo4naja [7]
2 years ago
6

In 2010, there were approximately 6 million girls living in Orange City. In 2011, the population was down to 4 million girls. Ho

w many girls lived in Orange City in 2011 in comparison to 2010? Write your answer in scientific notation.
Mathematics
1 answer:
Colt1911 [192]2 years ago
4 0

Answer:2010 +2011+2010=6021

6+4 =11

Step-by-step explanation:add then you divide

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Answer:

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Step-by-step explanation:

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At a sale, dresses were sold for $90 each. This price was 75% of a
gulaghasi [49]

Answer:

A dress originally costs $120

Step-by-step explanation:

To find the original cost of the dress, we will follow the steps below;

let x represent the original cost of the dress

75% of x  = $90

\frac{75}{100}  ×    x   = $90

\frac{75X}{100}  =   $90

MULTIPLY both-side of the equation by 100

\frac{75X}{100} × 100 =   $90×100

At the right-hand side of the equation, 100 will cancel out 100, leaving us with just 75x

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DIVIDE both-side of the equation by 75

75x/75 = $9000/75

At the left-hand side of the equation 75 will cancel-out 75 leaving us with just x

x=  $9000/75

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3 years ago
Perform the following operations and prove closure. Show your work.<br><br> (x/x+3) + (x+2/x+5)
Westkost [7]

Answer:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

Step-by-step explanation:

We need to sum the following two expressions:

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expanding the polynomial in the numerator:

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\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

This is the most simplified form we can get:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

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Mariulka [41]

Answer:

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Step-by-step explanation:

17-19=2       20-22=3       23-25=5      26-28=6

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