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TEA [102]
3 years ago
6

Azim wants to buy a tablet computer that is priced 180.50 if the sales tax rate on the computer is 8% how many dollars and cents

will Azim spend on the sales tax only
Mathematics
2 answers:
madreJ [45]3 years ago
8 0

Answer: 98.1%

Explanation:

A 10% sale means that the post-sale price of the item is now 90%, or 0.9 of the original cost of the item. We then apply 9% sales tax by multiplying the 0.9 by 109%, or 1.09. 0.9 * 1.09 = .981, so the total cost of the item is 98.1% of the original pre-sale sticker price.

For percentage problems that do not deal with a specific starting number, it is always helpful to plug in 100 for the starting number. Here, we would then have a post-sale price of 90 dollars, and if we calculate the sales tax for the 90-dollar item it would be 90 * 0.09 = $8.10. THis gives us a total cost of 90 + 8.10 = $98.10, or 98.1% of the original 100-dollar price.

Sergio [31]3 years ago
3 0
Answer: 98.1 % (other answer above got it as well but hope this helps anyway :)
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3 years ago
A radar is designed to report the track of an aircraft every 2 seconds. If this radar reports 15 reports 15 tracks in one minute
meriva

Answer:

Step-by-step explanation:

Since radar reports 30 tracks in one minute in which 60 seconds makes 1 minute

Let calculate using this formula

Using this formula

Percentage of time=Tracks reported in minutes/60 seconds*100

Let plug in the formula

Percentage of time=30 tracks/60 seconds*100

Percentage of time=0.5*100

Percentage of time=50%

Inconclusion The percentage of the time that  radar track the aircraft is 50%

5 0
3 years ago
Read 2 more answers
The equation x^2 + y^2 + 21 = 40 + 18y. What is the radius of this cookie?​
trapecia [35]

Answer:

The radius is 10

Step-by-step explanation:

Given

x^2 + y^2 + 21 = 40 + 18y.

Required

The radius

Rewrite as:

x^2 + y^2 - 18y = 40-21

Subtract 81 from both sides

x^2 + y^2 - 18y +81= 40-21+81

Expand

x^2 + y^2 - 9y - 9y +81= 40-21+81

Factorize

x^2 + y( y- 9) - 9(y -9)= 40-21+81

Factor out y - 9

x^2 + (y- 9) (y -9)= 40-21+81

Express as squares

x^2 + (y- 9)^2= 100

x^2 + (y- 9)= 10^2

The equation of a circle is:

(x - a)^2 + (y- b)= r^2

By comparison:

r^2=10^2

r = 10

6 0
3 years ago
Your height is 5 feet and 1 5/8 inches. Your friend’s height is 5.6 feet. Who is taller?
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Not your friend you cause if you add 5 ft+1 5/8 it’s gonna be more than 5.)
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The sides of a triangle measure 2+ 5,−4, and 3(2+ 1). What is the perimeter of the triangle?
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The perimeter of the triangle is 10. Hope this helps and Brainliest would be appreciated
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