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Serga [27]
3 years ago
12

a customor calculated the cost of a new jacket c including a 7% sales tax.what are the ways to calculate the price including tax

?
Mathematics
1 answer:
melomori [17]3 years ago
5 0

The expression c+0.07c or 1.07c can be used to calculate the price including tax.

Step-by-step explanation:

Given,

Cost of jacket = c

Sales tax = 7%

Amount of sales tax = 7% of cost of jacket

Amount of sales tax = \frac{7}{100}*c

Amount of sales tax = 0.07c

Cost of jacket including tax = Cost of jacket + Amount of sales tax

Cost of jacket including tax = c + 0.07c = 1.07c

The expression c+0.07c or 1.07c can be used to calculate the price including tax.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/10633485
  • brainly.com/question/10672611

#LearnwithBrainly

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Please help me find DOMAIN/RANGE and the EQATION
kaheart [24]

Answer:

domain:

( -  \infty , \infty )

range:

( -  \infty ,4]

equation:

y =  - 2(x - 3) {}^{2}  + 4

Step-by-step explanation:

domain is all X values and the X values will extent till infinity in both negative and positive direction, the range is all y values and the y value will go from negative infinity all the way to 4, where the graph stops.

4 0
3 years ago
two vertical cliffs are on opposite sides of a 90 foot wide river. From point A at the top of the shorter cliff, the angle of el
Sedbober [7]
Answer: The tall cliff is 118.20 feet tall and the short cliff is 70.32 feet tall.

If you draw a picture with 2 cliffs and a river in the middle, you have find 2 right triangles. In each triangle the adjacent side to our known angle is the river of 90 feet. And the unknown side is the opposite leg.

Therefore, we can set up a tangent equation.

From the top of the short cliff to the top of the tall cliff, we can right and solve the following trig equation:

tan(28) = x /90
x = 47.88

From the top of the short cliff to the bottom, we can right and solve the following trip equation.

tan(38) = x/90
x = 70.32

The 70.32 is also the height of the short cliff. And adding the two answers together will give you the height of the tall cliff.

5 0
3 years ago
Solve the system of equations<br> 12x-5y=-20<br> y=x+4<br><br> x=_______<br><br> y=_______
pashok25 [27]

Answer:

x = 0

y = 4

Step-by-step explanation:

Given

12x - 5y = -20

y = x + 4

Substitute x + 4 for y in the first equation

12x - 5(x + 4) = -20

Expand the bracket

12x -5 X x - 5 x 4 = -20

12x - 5x - 20 = -20

7x - 20 = -20

Add 20 to both sides to eliminate -20 on the left side

7x - 20 + 20 = -20 + 20

7x = 0

Divide both sides by 7 to isolate x

7x/7 = 0/7

x = 0

Substitute 0 for x in either equation to get y

Using equation 2, we have

y = x + 4

= 0 + 4

= 4

x = 0

y = 4

3 0
3 years ago
(x+y)^2 where x= 4 and y= -3​
Aneli [31]
1 is the answer cccccc
6 0
3 years ago
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Will get brainless<br><br><br> Please help
EleoNora [17]

Answer:

1. 104

2. 70

3. 106

4. 56

5. 47

6.87

Step-by-step explanation:

8 0
3 years ago
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