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zaharov [31]
3 years ago
6

Laura bought a pair of shoes for 20$. The shoes were on sale for 15% off, and she also used a coupon for an extra 20% off. Befor

e sales tax was applied, how much did Laura pay for the shoes?
Mathematics
1 answer:
Fittoniya [83]3 years ago
6 0

Answer:

$13.60 before sales tax

Step-by-step explanation:

$20 x .85 (aka 15% off) = $17

then

$17 x .80 (aka 20% off) = $13.60

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Talja [164]
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The sum of the interior angles of a polygon is 1080 degrees. How many sides does the polygon have?
postnew [5]

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Answer:

  8

Step-by-step explanation:

The formula for the number of degrees in the sum of the interior angles of an n-sided polygon is ...

  sum of angles = 180°(n -2)

Filling in the given value and solving for n, we get ...

  1080 = 180(n -2)

  6 = n -2 . . . . . . divide by 180

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The polygon has 8 sides.

4 0
3 years ago
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soldi70 [24.7K]
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3 years ago
Which algebraic expression is equivalent to the expression below?
Anna007 [38]

Answer:

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8 0
3 years ago
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I'll give brainliest to the most reliable and well-explained answer.
lapo4ka [179]

Answer:

Option B. 5.5 ft²

Step-by-step explanation:

Perimeter of the square piece of land = length of fence required

4(length of a side of the square) = 24 ft

Length of a side = 6 ft

Area of the square land = (Side)²

= 6²

= 36 square ft

Area of the side walk = Area of the square - [Area of two triangles separated by the sidewalk]

= 36 - [1/2 (Area Of The Sqaure) + 1/2 (Base) (Height) ]

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= 36 - (18 + 12.5)

= 36 - 30.5

= 5.5 ft²

Therefore, Option B. is the correct answer.

4 0
3 years ago
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