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Yanka [14]
2 years ago
7

Please answer this question

Mathematics
1 answer:
GarryVolchara [31]2 years ago
5 0

Answer:

I think its d

isn't the inverse the opposite of the original?

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what is the value after 7 years of a car that originally costs $25,000 rate if it depreciates at a rate of 8% per year ?round yo
12345 [234]

The value of the car after 7 years of depreciation is $13,946.

In order to solve this question you need to start out with the original cost of the car and then subtract 8% of the current value each year.

After each year is the 8% depreciate amount and then the value of the car at the end of that year:

1 - $25,000 x 8% = $2,000. - $25,000 - $2,000 = $23,000

2 - $23,000 x 8% = $1,840. - $23,000 - $1,840 = $21,160

3 - $21,160 x 8% = $1,692.80. - $21,160 - $1,692.80 = $19,467.20

4 - $19,467.20 x 8% = $1,557.38. - $19,467.20 - $1,557.38 = $17,909.82

5 - $17,909.82 x 8% = $1,432.79 - $17,909.82 - $1,432.79 = $16,477.03

6 - $16,477.03 x 8% = $1,318.16. - $16,477.03 - $1,318.16 = $15,158.87

7 - $15,158.87 x 8% = $1,212.71. - $15,158.87 - $1,212.71 = $13,946.16

7 0
3 years ago
Add the following military times:<br> 0645 + 0745 =
Liula [17]

Answer:

2316

Step-by-step explanation:

use a calculator

7 0
3 years ago
Read 2 more answers
0.68 = 0.6 + ___ = ____ x 0.1 + 8 x ____
8_murik_8 [283]

0.68 = 0.6 + .08 = 6 x 0.1 + 8 x .01

They should all equal  0.68  :)

5 0
3 years ago
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
14, 15 and 16 please
WARRIOR [948]
14). (Take π value as 22/7)
circumference = 66in
2πr = 66in
2×22/7×r = 66
r = 66×7/2×22
r = 21/2in
d = 2r => d = 2×21/2
therefore diameter of the circle = 21in

15). (Take π value as 3.14)
Circumference = 3.14m
2πr = 3.14m
2×3.14×r = 3.14
r = 3.14/3.14×2
r = 1/2m
Therefore the radius of the circle = 0.5m

16). (Take π value as 22/7)
Circumference = 33km
2πr = 33km
2×22/7×r = 33
r = 33×7/2×22
r = 21/4
d = 2r
d = 2×21/4
d = 21/2km
Therefore the diameter of the circle = 10.5km
4 0
3 years ago
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