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dezoksy [38]
2 years ago
8

Could someone explain how to do the sale tax??

Mathematics
1 answer:
Hitman42 [59]2 years ago
3 0
Find the difference between prices: 4.86-4.50=.36
Divide the difference (.36) by the original price: .36/4.50=.08
Change to a percentage: 8%
The sales tax is 8% :)
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What is the perimeter of the triangle (4,1) (2,5) (1,-1)
Naya [18.7K]

the perimeter of the triangle=14.38

The coordinates of the triangle (4,1),(2,5),(1,-1);

In geometry, the perimeter of a shape is defined as the total length of its boundary.

The perimeter of the triangle is the sum of all the sides of the triangle =a+b+c (assuming a,b, and c are the sides of the triangle)

By using the distances formula find the length of the sides of the triangle:√[(x₂ - x₁)² + (y₂ - y₁)²],

where (x₁,y₁),(x₂,y₂) are the coordinates ,

a=√[(4 - 2)² + (1- 5)²] = \sqrt 20=4.7

b=√[(2 -1)² + (5 -(-1))²]=\sqrt37=6.08

c=√[(1 -4)² + ((-1)-1)²]=\sqrt13=3.60

the perimeter of the triangle=a+b+c=4.7+6.08+3.60=14.38

hence ,perimeter of the triangle=14.38

Learn more about perimeter of triangle:

brainly.com/question/23935199

3 0
1 year ago
There are 271 songs on Amy's computer. She
shutvik [7]

Answer:

30

Step-by-step explanation:

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4 0
2 years ago
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Artist 52 [7]

Answer:

Read explain

Step-by-step explanation:

The steps taken to solve this system of equations would first be:

1. Sub 4x-2 into your first equation, 2x+5(4x-2)= 12 ->

2. Solve/simplify this equation to get x=1

3. Sub x=1 into your second equation and solve for y = 2

4. Get the solution (1,2)

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2 years ago
-8y2 - 10y = 0 solve polynomial
iragen [17]

Answer:  y = 0, 5/4

hope this helps

4 0
3 years ago
Ella plans to make treats for her class.
PSYCHO15rus [73]

Answer:

2/3 * 25/1  = 50 / 3 = 16 66/100 = 16 4/25

Step-by-step explanation:

6 0
2 years ago
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