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BaLLatris [955]
3 years ago
8

A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7%

tax when the DVD was sold. What was the customer’s total cost for the DVD?
$12.84

$18.42

$18.84

$19
Mathematics
2 answers:
WITCHER [35]3 years ago
5 0
The answer is $19 or 19.26
olga55 [171]3 years ago
4 0

Answer:

$19.26 or $19.

Step-by-step explanation:

Sold DVD for 50% more of the purchase price of $12, so:

12 + 50/100 * (12) = 12 + 6 = 18.

The customer will pay 7% tax on $18.

18 * (1.07) = $19.26

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What is the area of a 120 degree sector of a circle with the radius of 15 cm? Round to the nearest square cm.
Delvig [45]

Answer:

236 cm^2

Step-by-step explanation:

Formula

Area = sector angle/360 * pi * r^2

Givens

Sector angle = 120

r = 15

Solution

Area = 120/360  * 3.14 * 15 * 15

Area = 1/3 * 3.14 * 225

Area = 235.5

Area = 236 cm^2

8 0
3 years ago
I need major help pretty pls this so different
crimeas [40]
First put a bubble around 5x-7. Now you plug that into the problem. -3x-2
(5x-7)=12. now times the -2 by 5x which is -10x. and then times the -2 by -7 which is 14. so now you have -3x-10x+14=-12. add the -3x and -10x. -13x. Add the 14 over. -13x=2. Now dived by -13, which gives us x=-0.15

Now you take that a plug it into the -3x-2y=-12. So that it looks like this -3(-0.15)-2y=-12

Now times the -3 by -0.15 to give us 20 -2y=-12.   Now 'kill' the 20, so that it looks like this -2y=-32. Now you divide by -2 and get y=16. 

Now your ordered pair is (-0.15,16)
7 0
2 years ago
{[(8 × 3) ÷ 2] + 3} ÷ 5 =
lubasha [3.4K]

Answer:

3

Step-by-step explanation:

8x3=24

24/2=12

12+3=15

15/5=3

4 0
2 years ago
Evaluate the function f(x) = x 2 + 1 for f(2
olasank [31]
F(x)=x^{2} +1
f(2)=2^{2} +1
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6 0
3 years ago
The diameter of a ping pong ball is 4.0cm. find the length in kilometers of a row of 6.02×1023 ping pong balls.
Vikentia [17]
The length is determined by multiplying the number of balls with the diameter. The answer that would come out of this is in units of centimeters.

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    L = 2.408 x 10^24 cm

Then, we use the proper conversion factor to convert centimeter to kilometer.

     L = (2.408 x 10^24 cm)(1 m/100 cm)(1 km/1000 m)
       L = (2.408 x 10^24)(10^5)
        

The answer to this item is 2.408 x 10^19 km. 
3 0
3 years ago
Read 2 more answers
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