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Rasek [7]
3 years ago
15

Depreciation A car sells for $28,000.The car

Mathematics
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

V(t)=28,000(0.75)^t.

$8859.375

Step-by-step explanation:

Please find the attachment for the function.

We have been given that a car sells for $28,000.The car  depreciates such that each year it is worth 3/4 of its value from the previous year. We are asked to find the model for the value V of the car after t years.

We know that an exponential function is in form y=a(b)^x, where,

a = Initial value,

b = Growth or depreciation rate.

Since each year the car worth 3/4 of its value from the previous year, so its value is depreciating and b=\frac{3}{4}=0.75.

Therefore, our required function would be V(t)=28,000(0.75)^t.

To find the value of car after 4 years, we need to substitute t=4 in our function as:

V(4)=28,000(0.75)^4

V(4)=28,000(0.31640625)

V(4)=8859.375

Therefore, the value of the car after 4 years would be $8859.375.

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2 years ago
Underline all the ordered pairs (x,y) that are solutions to the equation y=2x+1.
Romashka [77]

Answer:

<u>(3,7)</u> (7,3) (−1,14) <u>(0,1)</u> <u>(12,25)</u>

<u>(5,11)</u> (0,12) (1,8) (12,0) <u>(−1,−1)</u>

Step-by-step explanation:

We have the following function:

y = 2x+1.

We are going to check if each ordered pair is a solution.

(3,7)

If when x = 3, y = 7, it is a solution.

y = 2x + 1 = 2(3) + 1 = 7

This ordered pair is a solution.

(7,3)

If when x = 7, y = 3, it is a solution.

y = 2x + 1 = 2(7) + 1 = 15

This ordered pair is not a solution.

(-1,14)

If when x = -1, y = 14, it is a solution.

y = 2x + 1 = 2(-1) + 1 = -1

This ordered pair is not a solution.

(0,1)

If when x = 0, y = 1, it is a solution.

y = 2x + 1 = 2(0) + 1 = 1

This ordered pair is a solution.

(12,25)

If when x = 12, y = 25, it is a solution.

y = 2x + 1 = 2(12) + 1 = 25

This ordered pair is a solution.

(5,11)

If when x = 5, y = 11, it is a solution.

y = 2x + 1 = 2(5) + 1 = 11

This ordered pair is a solution.

(0,12)

If when x = 0, y = 12, it is a solution.

y = 2x + 1 = 2(0) + 1 = 1

This ordered pair is not a solution.

(1,8)

If when x = 1, y = 8, it is a solution.

y = 2x + 1 = 2(1) + 1 = 3

This ordered pair is not a solution.

(12,0)

If when x = 12, y = 0, it is a solution.

y = 2x + 1 = 2(12) + 1 = 25

This ordered pair is not a solution.

(-1,-1)

If when x = -1, y = -1, it is a solution.

y = 2x + 1 = 2(-1) + 1 = -1

This ordered pair is a solution.

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3 years ago
What are the factors of x2 – 144? And
zavuch27 [327]

(x +12) (x -12) =0

x = 12

x = -12

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3 years ago
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Answer:

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Step-by-step explanation:

1 l = 1000 mL

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6 0
3 years ago
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These are the possibilities of rolling these numbers. = 4 possibilities

4/11 (11 because that is the number of possibilities you get for two dice) 

that leaves 7/11 possibilities of rolling and not paying!

36% lands on a spot that she pays at and about 64% possibilities of not paying. 


Hope this helped!

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6 0
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