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zheka24 [161]
3 years ago
14

You were shopping for a Christmas present. You found the item on sale for 20% off. Tax is 8%. If the original price was $450, ho

w much will the gift cost? Show all work.
Mathematics
1 answer:
klio [65]3 years ago
4 0

Answer:

Cost\ of\ gift=\$ 388.8

Step-by-step explanation:

Original Price=\$450

Discount:

Discount=20\%

20\%\ of\ 450=\frac{20}{100}\times 450=90\\\\Discounted\ Price=450-90=\$360

Tax:

Tax=8\%

8\%\ of\ 360=\frac{8}{100}\times 360=28.8\\\\Final\ cost=360+28.8=\$388.8

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The table shows ordered pairs of the function y = 16 + 0.5x .
Sidana [21]

The missing values represented by x and y are 8 and 20, that is

(x, y) = (8, 20)

The function y = 16 + 0.5x is a linear equation that can be solved graphically. This means the values of both variables x and y can be found on different points along the straight-line graph.

The ordered pairs simply mean for every value of x, there is a corresponding value of y.

The 2-column table has values for x and y which all satisfy the equation y = 16 + 0.5x. Taking the first row, for example, the pair is given as (-4, 14).

This means when x equals negative 4, y equals 14.

Where y = 16 + 0.5x

y = 16 + 0.5(-4)

y = 16 + (-2)

y = 16 - 2

y = 14

Therefore the first pair, just like the other four pairs all satisfy the equation.

Hence, looking at the options given, we can determine which satisfies the equation

(option 1) When x = 0

y = 16 + 0.5(0)

y = 16 + 0

y = 16

(0, 16)

(option 2) When x = 5

y = 16 + 0.5(5)

y = 16 + 2.5

y = 18.5

(5, 18.5)

(option 3) When x = 8

y = 16 + 0.5(8)

y = 16 + 4

y = 20

(8, 20)

From our calculations, the third option (8, 20) is the correct ordered pair that would fill in the missing values x and y.

To learn more about the straight line visit:

brainly.com/question/1852598

#SPJ1

8 0
2 years ago
I'm very, very bad at math. Help would be appreciated!
maw [93]
The answer is 15.7079632679
8 0
2 years ago
Which symbol replaces the box to make the statement true?
Karolina [17]

Answer:

0. toab1. The right answer for K12 is ( > ) I Took the test and is correct. 4×16-16 > 4× [24-2× (4+8)] heart outlined. Thanks 0. star outlined. star outlined. star outlined.

8 0
2 years ago
you have a full cylindrical glass of water that stands 8 inches tall and has a radius of 1.5 inches .if you pour the water into
Romashka-Z-Leto [24]
Volume of cylinder=πr²h                 volume of another cylinder=πr²h       
=22/7×1.5×1.5×8                          =22/7×2.5×2.5×12    
=396/7                                         =1560/7   
=56.57                                         =235.71

=235.71-56.57
=179.14 amount of water is able to hold by the larger cylinder
4 0
3 years ago
Read 2 more answers
Which proportion can be used to determine what number 15% of 30?
Karo-lina-s [1.5K]
I think it would be B
8 0
3 years ago
Read 2 more answers
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