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Arada [10]
3 years ago
10

A new car is purchased for 17000 dollars. The value of the car depreciates at 12.25% per year. What will the value of the car be

, to the nearest cent, after 14 years?
Mathematics
1 answer:
Scilla [17]3 years ago
5 0

Answer:

P(t=14) = 17000 (1-0.1225)^{14}= 2728.404

Step-by-step explanation:

for this case we have the following model for the cost of the car:

P(t) = P_o (1-r)^t

Where P_o is the initial amount on this case 17000, t the amount of years after the initial year and r the depreciation rate on this case:

r= \frac{12.25}{100}=0.1225

And for t =14 we can replace into the equation and we got:

P(t=14) = 17000 (1-0.1225)^{14}= 2728.404

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A number added to itself twelve times is five more than twice the number. What is the number?
zaharov [31]
x- \ searching\ number\\\\
x+12x=2x+5\\
13x-2x=5\\
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The\ number\ is\ \frac{5}{11},

8 0
3 years ago
Larissa practices for a swimming tournament
scoundrel [369]

Answer:

Larissa takes 59.141 seconds to complete both laps.

Step-by-step explanation:

The complete time is the sum of time taken on each lap. We translate the two statements into mathematical expressions to determine the required output:

(i) <em>She completes her first lap in 31.135 seconds</em>:

x_{1} = 31.135\,s

(ii) <em>She completes her second lap 3.129 seconds faster than the first lap</em>:

x_{2} = x_{1}-3.129\,s

x_{2} = 31.135\,s - 3.129\,s

x_{2} = 28.006\,s

Then, the time taken by Larissa to complete both laps is:

\Delta x = x_{1} + x_{2}

\Delta x = 31.135\,s+28.006\,s

\Delta x = 59.141\,s

Larissa takes 59.141 seconds to complete both laps.

4 0
3 years ago
Its like my 9 time on here
kari74 [83]

Answer:

B, 5 : 1

Step-by-step explanation:

Right : Wrong

10 : 2

Simplify (Divide both sides of the ratio by 2)

5 : 1

B

Hope this helps :)

6 0
3 years ago
Can someone help me out pls
Fiesta28 [93]

the answer is d 350000..

6 0
2 years ago
Help pls need answer
blagie [28]

Answer:

a

Step-by-step explanation:

idk

4 0
3 years ago
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