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Yakvenalex [24]
3 years ago
15

Mrs.Lynch has noted that 7 out of every 10 pieces of mail she gets are junk mail. What percent of her mail is junk?

Mathematics
1 answer:
AlladinOne [14]3 years ago
7 0

Answer:

70%

Step-by-step explanation:

create fraction pieces/whole.

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Can someone help me with this question
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I hope I was able to help!

Step-by-step explanation:

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Find the vertices of the hyperbola. Enter the smallest coordinate first.
melisa1 [442]

Answer:

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Step-by-step explanation:

The given equation of the hyperbola is presented as follows;

\dfrac{x^2}{9} - \dfrac{y^2}{49} = 1

The vertices of an hyperbola (of the form)  \dfrac{x^2}{a^2} - \dfrac{y^2}{b^2} = 1 are (± a, 0)

The given hyperbola can we presented in a similar form as follows;

\dfrac{x^2}{9} - \dfrac{y^2}{49} = \dfrac{x^2}{3^2} - \dfrac{y^2}{7^2} = 1

Therefore, by comparison, the vertices of the parabola are (± 3, 0), which gives;

The vertices of the parabola are ([-3], [0]), ([3], [0]).

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