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Ksju [112]
2 years ago
7

PLEASE HELP!! The price of a pair of headphones is $39.99 before tax. Dalton bought the headphones for 30% off. He then paid 6%

sales tax on the discounted price. Part A: How much did Dalton pay in sales tax? Show all work and steps in your solution. (5 points) Part B: What is the total amount that Dalton paid for the headphones? Show all work and steps in your solution. (5 points) Source StylesFormatFontSize
Mathematics
1 answer:
Klio2033 [76]2 years ago
8 0

Answer:

Step-by-step explanation:

A)

This is the 30% discount:

$39.99 x .30 = $11.997; The discount is $11.997

Price of headphones after the discount:

$39.99 - $11.997 = $27.99

Now we need to calculate the 6% sales tax on the discounted price.

$27.99 x .06 = $1.68 (rounded off)

Dalton paid $1.68 in sales tax on the discounted price.

B)

The total price Dalton paid for the headphones will be the discounted price plus the sales tax.

$27.99 + $1.68 = $29.67

Total price Dalton paid: $29.67

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kherson [118]
3x-4 = -10

3x-4 +4 = -10 +4

3x = -6

then you can divide it :

x = -6 : 3

x= -2
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3 years ago
Stephan has a piece of wood that measures 18 inches long and 12 inches wide. He wants to make a tray with sides 2 inches high. M
valkas [14]

Answer:

i. No, Maurice statement is wrong.

ii. Stephan does not have sufficient pieces of wood to make the tray because the square inches required is more than what he has.

Step-by-step explanation:

Stephan's piece of wood measures; 18 inches in length and 12 inches in width.

Since the piece of wood has a shape of a rectangle,

the area of the piece of wood = length × width

                                                 = 18 × 12

                                                = 216 square inches

According to Maurice's statement, he could make a tray that has a base of 1012 inches by 1012 inches.

The base has the shape of a square, so that;

     the area of the base = length × width = length^{2}

                                       = 1012 ×1012

                                      = 1024144 squared inches

This shows that Stephan does not have sufficient wood to make the tray because the square inches required is more than what he has.

5 0
3 years ago
Convert the length 7 centimeters to meters. Compare the numerical values when both numbers are written in scientific notation
miv72 [106K]
<span>1.       </span><span>Given numbers
=> 7 centimeters convert to meters
In every 1 meter there are 100 centimeters
=> 7 / 100
=> 0.07
Therefore in 7 centimeters there are 0.07 meters.
7 cm is a whole number while 0.07 m is a decimal number
Scientific Notation of each numbers
=> 7 cm = 7 x 10^0
=> 7 m = 1 x 10^-2
Scientific notation by the way is an expression used by the scientist to make a large number or very small number easy to handle.


</span>



4 0
3 years ago
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Answer:

x = 5

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Step-by-step explanation:

So move 2y from the second equation to the other side of the equals sign

2x +3y = 13

x = 3 + 2y

From here substitute X into the first equation

2(3 + 2y) + 3y = 13

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6 + 4y +3y = 13

Combine like terms and solve for y

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insert result into the original equation.

x-2(1) = 3

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insert into other equation to check work

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3 years ago
Please help me with this question
lys-0071 [83]

Answer:

C

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