You purchase a car in 2010 for $25,000. The value of the car decreases by 14% annually. What would the value of the car be in 2020?


Answer 1

The value of the car in 2020 is $5532.53

What is exponential decay?

A quantity is subject to exponential decay if it decreases at a rate proportional to its current value.

Given that, You purchase a car in 2010 for $25,000. The value of the car decreases by 14% annually.

The exponential decay is given by =

A = P(1-r)^t

A = final amount

P = principal amount

r = rate of decrease.

t = 10


A = 25000(1-0.14)¹⁰

A = 25000×0.86¹⁰

A = 5532.53

Hence, the value of the car in 2020 is $5532.53

For more references on exponential decay, click;


Answer 2



Step-by-step explanation:

it is the rule of LONG numbers

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Just need help with this simple math question


2(n-4) = 2n - 8 .........distributive property
the answer is 2n - 8
you are distributing 2 into n and 4 so 2 times n is 2n and 2 times 4 is 8

Drag each expression to match each number with an expression.Number. Expression.
34 34x10*0
3,400 34x10*3
34,000 34x100
340 34x10*1




Step-by-step explanation:

Mikey is typing in the computer lab and typing at 23 words per minute. If he types for 11 minutes, how many words does he type?




Step-by-step explanation:

23 x 11 = 253

A survey by the American Veterinary Medical Association found that out of 120 families surveyed, 18 owned a bird. Fifteen years ago, a similar study found that only 5 families out of 100 surveyed had a bird. Are the validity conditions for a two-sample z-test/interval adequately met



Step-by-step explanation:

The assumptions include:

The samples from each population must be independent of one another: this was adequately met.

The populations from which the samples are taken must be normally distributed: this was not talked about

The population standard deviations must be known: not known

or the sample sizes must be large (i.e. n1≥30 and n2≥30: true

The validity conditions for a two-sample z-test/interval were not all adequately met

Which of the graphs best represents a system of equations that has no solution? A) Graph A
B) Graph B
C) Graph C
D) Graph D


Can u add a picture of the graphs I can’t tell what the answer is if I don’t have the graph
a straight line graph

NEED ASAPWhat is the product?
15а а-3
Cul —
о за


The product of the given expressions is (1/3a). therefore, option (1/3a) is correct.

To find the product of the two expressions:

(а - 3) / (15a) * (5 / (a - 3))

First, notice that (a - 3) appears in both the numerator and the denominator, and these terms will cancel out, leaving:

(5 / 15a)

Now, you can simplify this fraction:

5 / 15a = (1/3a)

So, the product of the given expressions is:

(а - 3) / (15a) * (5 / (a - 3)) = (1/3a)

for such more question on expressions




Step-by-step explanation:

((a - 3))/(15a)  *  (5)/((a - 3))  =  (5)/(15a)  =  (1)/(3a)