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3 years ago

10

a new car is sold for its sticker value of $19,000.Three years later, the customer returns to the car dealership to trade the ca

r in.She is told that her car now has a value of $12,105. What is the rate of decline in the value of the car?

2 answers:

seraphim [82]3 years ago

3 0

2,333$ a year that is the anser

andrew-mc [135]3 years ago

3 0

Doing the math, the answer is $2,333.

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kodGreya [7K]

Answer:

$y=-2\,(x+3)^2-3$

Step-by-step explanation:

Notice that they are asking you to write the equation of the parabola in vertex form, that is using the coordinates of the vertex $(x_v,y_v)$ in the expression:

$y-y_v=a\,(x-x_v)^2\\y=a\,(x-x_v)^2+y_v$

we can start by directly replacing the given vertex coordinates (-3, -3) in the expression, and then using the extra info on the point the parabola goes through in order to find the parameter $a$ :

$y=a\,(x-x_v)^2+y_v\\y=a\,(x+3)^2+(-3)\\y=a\,(x+3)^2-3\\-5=a\,(-2+3)^2-3\\-5=a\,(1)-3\\a=-5+3\\a=-2$

So, now we can write the full expression for the parabola:

$y=a\,(x+3)^2-3\\y=-2\,(x+3)^2-3$

8 0

3 years ago

A basketball team has 12 players. In how many different ways can the coach select 2 players to be the captains for tonight's gam

Elza [17]

I wanna say 6 cause 12 divided by 2 is 6 :)

6 0

3 years ago

Ay help its easy pleaseeee.

pickupchik [31]

Answer:

425ft.

Step-by-step explanation:

Just add 395 and 30 together.

Hope this helps. Pls give brainliest!

5 0

2 years ago

Read 2 more answers

What is 18.706 rounded to the nearest hundredth

lawyer [7]

Answer:

18.71

Step-by-step explanation:

6 0

3 years ago

What is the range of the function of graph?

Leto [7]

The correct answer is "all real numbers greater than or equal to 2".

5 0

2 years ago