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tiny-mole [99]
3 years ago
12

Business owners use percents to calculate markup, discount, and sales tax. A shoe store owner buys a pair of shoes for $20. Ther

e is a sale on the item for 20% off.
Mathematics
1 answer:
Alona [7]3 years ago
8 0

Answer:

$16

Step-by-step explanation:

Given data

The cost price of the shoe= $20

Discount = 20%

Let us find the amount of the 20% discount

=20/100*20

=0.2*20

=$4

Hence the selling price will be

=20-4

=$16

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Answer:

(x + 5)² + (y + 7)² = 288

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

The radius is the distance from the centre (- 5, - 7) to the point on the circle (7, 5)

Use the distance formula to calculate r

r = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 5, - 7) and (x₂, y₂ ) = (7, 5)

r = \sqrt{(7+5)^2+(5+7)^2} = \sqrt{12^2+12^2} = \sqrt{288}

Hence

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3 years ago
How can the distributive property help when you are multiplyng by a two digit number
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Step-by-step explanation:

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