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Darya [45]
2 years ago
12

You buy a car for $22,000 and every year your car depreciates by 14% (in other words, you car decreases in value by 14% every ye

ar). What is your car worth in 4 years?
(Create an exponential function to solve this problem.)
Mathematics
1 answer:
Citrus2011 [14]2 years ago
4 0

Answer:

The car worth in 4 years will be $9,880

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A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
vesna_86 [32]

Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

2L + 2W = 382

Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

2L + 2W = 382

2(3W - 9) + 2W = 382

6W -18 +2W = 382

8W - 18 = 382

8W = 382 + 18

8W = 400

W = 400/8

W = 50

Replacing W by 50 on the following equation, we get:

L = 3W - 9

L = 3(50) - 9

L = 141

So, the width of the rectangular field is 50 yards and the length is 141 yards.

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3 years ago
Jenna is writing a check to her vehicle registration office for $100.42. How should she pull out this amount in the "written amo
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Answer:

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The answer is..........
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