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Lemur [1.5K]
3 years ago
7

15) A new BMW decreases in value exponentially after it is purchased. If a new BMW is valued at $55,000 and

Mathematics
1 answer:
tia_tia [17]3 years ago
8 0

The values of BMW after 2 years and 4 years  according to the EXPONENTIAL FUNCTION are $33,462 and $20,358.28

Using the parameters given, we define an decreasing exponential function :

A = A_{0} (1 - r)^{t}

Where,

A_{0} = initial amount ; r = Rate ; t = time ; A = final amount

Value after 2 years :

t = 2

A = 55000(1 - 0.22)²

A = 55000(0.78)²

A = $33,462

Value after 4 years :

t = 4

A = 55000(1 - 0.22)^4

A = 55000(0.78)^4

A = $20,358.28

Therefore, the value of BMW after 2 years and 4 years $33,462 and $20,358.28 respectively.

Learn more :

brainly.com/question/14355665

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Are these answers right or some wrong? If some wrong plz answer them correct thanks!
maxonik [38]

You are wrong.

1, 2, 3 and 4 are correct.

5. 75%

6 is also correct

7. 100%

8. 50%

7 0
3 years ago
Read 2 more answers
10
Sveta_85 [38]

The cost of the food bill is $60 and the equation that best describe the situation is (x + 16)/8 = 76/8.

<h3>Which equations and solutions describe the situation?</h3>

Given that;

  • A group of 8 friends went to lunch and spent a total of $76, which included the food bill and a tip of $16.
  • They decided to split the bill and tip evenly among themselves.
  • Let x be the food bill.

If x is the food bill, then;

food bill + tip = $76

x + $16 = $76

Since they decided to split the bill and tip evenly among themselves

(x + 16)/8 = 76/8

We can solve for the food bill 'x'

(x + 16)/8 = 76/8

(x + 16)/8 = 9.5

(x + 16) = 9.5 × 8

x + 16 = 76

x = 76 - 16

x = 60

Therefore, the cost of the food bill is $60 and the equation that best describe the situation is (x + 16)/8 = 76/8.

Learn more word problems here: brainly.com/question/2610134

#SPJ1

4 0
3 years ago
The sum of two consecutive integers is - 87. Find the two integers.
laiz [17]

Answer:

-43,-44

Step-by-step explanation:

let the integers be n,n+1

n+n+1=-87

2n=-88

n=-88/2=-44

n+1=-44+1=-43

3 0
3 years ago
The reciprocal of 6 4/5 is
kondor19780726 [428]
It should be 34/5*. If you create an improper fraction out of the original one, then creating the reciprocal will be easier.
3 0
4 years ago
Read 2 more answers
What is x=.30(729). explain
dsp73

Answer:

x = 218.7

Step-by-step explanation:

To solve for x, we multiply .30 by 729. Once multiplied, we get the answer 218.7. Therefore, x = .30(729) is the same as x = 218.7.

7 0
1 year ago
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