The value of a car decreases by 20 percent per year. mr. sing purchases a $22,000 automobile. what is the value of the car at the end of the second year?

$14,080

Step-by-step explanation:

You can use a formula for exponential decay, but since it is only 2 years, you can find 80% of the original value, and then 80% of the new value.

Original value: $22,000

Value after 1 year: 80% of $22,000 = 0.8 * $22,000 = $17,600

Value after 1 year: $17,600

Value after 2 years: 80% of $17,600 = 0.8 * $17,600 = $14,080

$14,080

$14,080

Step-by-step explanation:

You can use a formula for exponential decay, but since it is only 2 years, you can find 80% of the original value, and then 80% of the new value.

Original value: $22,000

Value after 1 year: 80% of $22,000 = 0.8 * $22,000 = $17,600

Value after 1 year: $17,600

Value after 2 years: 80% of $17,600 = 0.8 * $17,600 = $14,080

$14,080

$14,080

Step-by-step explanation:

At end of first year:

$22,000 will decrease by 20%. It means to subtract 20% of 22,000 from 22,000.

20% of 22,000 is  

Now,

At end of second year:

$17,600 will decrease by 20%. It means to subtract 20% of 17,600 from 17,600.

20% of 17,600 is  

Now,  

Hence, $14,080 is the value of the car at the end of 2 years. First answer choice is right.

26,400

Step-by-step explanation:

22,000 × .20= 4,400

22,000-4,400= 17,600

The answer is in the image 

The answer is in the image 

The total nom of  code that can be used is equal to 5+3 = 8

y=2x+15

where y=Value of coin

x=Age in years

Value of coin after 19 years=2*19+15

=$53

Therefore, Value after 19 years=$53

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

The solution is given in the image below