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GREYUIT [131]
2 years ago
11

The owner of a small store buys coats for ​$55.00 each.

Mathematics
2 answers:
kari74 [83]2 years ago
5 0

Answer:

New price - original price = added price

added price / original price = percentage increased in number/decimal form

99-55=44

44/55=0.8

0.8=80%

80% would be the answer

Hope this helps

Step-by-step explanation:

beks73 [17]2 years ago
4 0

Answer:

Its actually 180 not being mean

Step-by-step explanation:

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Find the vertices and foci of the hyperbola with equation quantity x plus one squared divided by sixteen minus the quantity of y
katrin2010 [14]

Answer:

The vertices are (3 , -5) , (-5 , -5)

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Step-by-step explanation:

* Lets study the equation of the hyperbola

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  center (h , k) and transverse axis parallel to the x-axis is

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* Now lets solve the problem

- The equation of the hyperbola is (x + 1)²/16 - (y + 5)²/9 = 1

* From the equation

# a² = 16 ⇒ a = ± 4

# b² = 9 ⇒ b = ± 3

# h = -1

# k = -5

∵ The vertices are (h + a , k) , (h - a , k)

∴ The vertices are (-1 + 4 , -5) , (-1 - 4 , -5)

* The vertices are (3 , -5) , (-5 , -5)

∵ c² = a² + b²

∴ c² = 16 + 9 = 25

∴ c = ± 5

∵ The foci are (h ± c , k)

∴ The foci are (-1 + 5 , -5) , (-1 - 5 , -5)

* The foci are (4 , -5) , (-6 , -5)

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Step-by-step explanation:

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