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slavikrds [6]
3 years ago
11

The department store where you work is having a sale. every item is to be marked down 30%. what will the sale price of a $53 swe

ater be?
Mathematics
1 answer:
zheka24 [161]3 years ago
6 0
Firstly, to calculate a price you need to change the percentage into a decimal. You do this by dividing it by 100.

30 / 100 = 0.3
The price will be 70% of the original price,
70 / 100 = 0.7,
0.7 * 53 = 37.10,

The sale price of the sweater will be $37.10.

Hope this helps!
You might be interested in
Which factorization is incorrect? 1) x3 + 5x2 + 4x + x2 + 5x + 4 = (x + 4)(x + 1)2 2) 4d3 – 4d2 – 9d + 9 = (d – 1)(2d – 3)2 3) 2
Andru [333]

Answer:

The second option is the incorrect:

2) 4d3 – 4d2 – 9d + 9 = (d – 1)(2d – 3)^2

Step-by-step explanation:

Let's check each one of the factorizations:

1) x3 + 5x2 + 4x + x2 + 5x + 4 = (x + 4)(x + 1)^2

(x + 4)(x + 1)^2 = (x + 4)(x2 + 2x + 1) = x3 + 6x2 + 9x + 4

x3 + 5x2 + 4x + x2 + 5x + 4 = x3 + 6x2 + 9x + 4

This one is correct.

2) 4d3 – 4d2 – 9d + 9 = (d – 1)(2d – 3)^2

(d – 1)(2d – 3)^2 = (d - 1)(4d2 - 12d + 9) = 4d3 - 16d2 + 21d - 9

4d3 – 4d2 – 9d + 9 = 4d3 - 16d2 + 21d - 9

This one is incorrect.

3) 27h3 – 8k3 = (3h – 2k)(9h2 + 6hk + 4k2 )

(3h – 2k)(9h2 + 6hk + 4k2 ) = 27h3 - 8k3

This one is correct.

4) 64 – 9t2 = (8 + 3t)(8 – 3t)

(8 + 3t)(8 – 3t) = 64 - 9t2

This one is correct.

So the incorrect option is the second one.

4 0
3 years ago
How many feet are in 10 yards??
Tamiku [17]
There are 30 feet in 10 yards
6 0
3 years ago
Read 2 more answers
Antoine wants to get a subscription to a local library. There are two libraries, each of which charges a monthly subscription fe
Elis [28]

Answer:

2 15.50 50

Step-by-step explanation:

took the test

3 0
3 years ago
Read 2 more answers
Help please thank you
Ad libitum [116K]
In order for the triangle to be isosceles, we have to set two lengths of the triangle equal to each other. 

Let's take the lengths 5x-12 and x+20 and set them equal to each other. 

5x - 12 = x + 20 

Combine like terms by moving them over to their respective sides.

Subtract x from both sides of the equation. 

4x - 12 = 20 

Add 12 to both sides of the equation. 

4x = 32 

Divide both sides by 4. 

x = 8 

Check your answer by substituting. 

5x - 12 = x + 20

5(8) - 12 = 8 + 20

40 - 12 = 28 

28 = 28

Solution: x = 8 




5 0
3 years ago
PLEASE HELP I AM SO LOST AND NEED AN EXPLANATION.
Alex73 [517]

Answer:

A, f(2) is the answer because it fits into the requirements.



4 0
3 years ago
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