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mr_godi [17]
3 years ago
6

Need some help with this one Two questions

Mathematics
2 answers:
rosijanka [135]3 years ago
5 0

Answer:

4,54

Step-by-step explanation:

what i find useful is if you flip the percentage of whatever, it makes it pretty easy. in this situation itd be 50% of 8, which is 4. for the total price, you just add the tax to the price

n200080 [17]3 years ago
3 0

Answer:

.4

Step-by-step explanation:

i belive i did this  wrong i havent  done that in awhile  

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A new phone costs $230 and the sales tax rate is 7%. What is the total cost of the camera after tax?
rosijanka [135]

That's a question about percentage.

One way to represent percentage is using decimal number. In this way, 1 is equivalent to 100% and the other less percentages using numbers between 0 and 1.

Examples:

  • 90% is equivalent to 0,90.
  • 5% is equivalent to 0.05. It's not 0.5 because 0.5 is equivalent to 50%.
  • 13.17% is equivalent to 0.1317.
  • 245% is equivalent to 2.45.

If we want to know the percentage of a number, we should multiplacate the number by the porcentage in the decimal number form.

Examples:

  • 55.90% of 200 is equal to: 200 \times 0.5590 = 111.8
  • 360% of 88 is equal to: 88\times 3.6 = 316.8

In our problem, we have a phone with a increase of 7%. To solve that, it's important to perceive that $230 is equal to 100% and with a increase of 7%, we will pay 107%.

107% in the decimal number form is 1.07. With that information, we should multiplicate 1.07 by the original value and we will find the answer.

We know that 230\times 1.07 = 246.1, therefore, the total cost of the phone after tax is $246.1.

I hope I've helped. :D

Enjoy your studies. \o/

4 0
3 years ago
What is the positive square root of 36? Enter your answer in the box.
cupoosta [38]
The answer to this question is going to be negative 6


6 0
3 years ago
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What are all shapes a all right angle rectangle can be
Gelneren [198K]

Answer:square, triangle, rectangle

Step-by-step explanation:

4 0
3 years ago
a car manufacturing company was able to release 1860 units at the end of january based on records they were able to increase the
saw5 [17]

Answer:

11th month which is November

Step-by-step explanation:

1860 + 45(m - 1) = 2310

1860 + 45m - 45 = 2310

1815 + 45m = 2310

45m = 495

m = 11

8 0
3 years ago
Write 75.854 in expanded form
mixer [17]

Answer:

70+5+.8+.05+.004

Step-by-step explanation:

8 0
3 years ago
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