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storchak [24]
3 years ago
8

The decrease in the worth of Kenzie's car can be represented by the function m(t)=23,000(0.97)t, where t is the time in years, a

nd m is the car's value in dollars.
What is the average rate of change of the car's value in dollars per year (rounded to the nearest dollar) during the first 4 years Kenzie owns it?


660

2638

−2638

−660
Mathematics
1 answer:
DIA [1.3K]3 years ago
6 0

Answer:

-660

Step-by-step explanation:

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Factor each expression completely.<br><br> x^2 - 25
Nady [450]

Rewrite it in the form a^2 - b^2, where a = x and b = 5

x^2 - 5^2

Use the Difference of Squares: a^2 - b^2 = (a + b)(a - b)

<u>= (x + 5)(x - 5)</u>

4 0
4 years ago
Read 2 more answers
Trans typ./ Check no. Date Description of Transaction Payment/ Debit (-) Deposit/ Credit (+) Balance 900 00 303 5/21 Sandra's Be
DanielleElmas [232]

Answer:

SHE ADDED THE COST OF THE HAIRCUT TO HER BALANCE.

Step-by-step explanation:

Instead of debited the cost of the haircut stephanie done the mistake by entering the charges of the hair cut into her balance. So due to this, the wrong entry should be recorded.

Therefore the above situation represents the situation in which she did the wrong

Hence, the same is to be considered

4 0
3 years ago
16
VARVARA [1.3K]

Answer:Neil is not correct

Step-by-step explanation:

Let us calculate the total cost of the of the apps and headphone without estimation.

He wants to buy 5 apps priced at $0.99 each

Total cost of the 5 apps will be

5 × 0.99 = $4.95

He also wants to buy headphones priced at $15.49.

Since this includes shipping and tax. The total cost the 5 apps and headphone is 4.95 + 15.49 = $20.44

Neil only has a $20 gift certificate for an online store. This is actually lesser than the total cost of the items.

So Neil is wrong

Even if he estimated by rounding up, the most reasonable estimate would be

$1 per app and the 5 apps will cost $5

The headphone will be $15.5

The total would be 5+ 15.5 = $20.5.

This is still more than his gift certificate

4 0
3 years ago
What is 2 1/3 divided by 3 1/2?
maria [59]

Answer:

2/3

Step-by-step explanation:

:)

3 0
3 years ago
The product of two numbers is 36 and their sum is 37. What is their difference?
hichkok12 [17]
Hello,
Let's be a the greatest number, b the smallest

Method 1:

a+b=37 ==>b=37-a
a*b=36==>a(37-a)=36
==> a²-37a+36=0
==>a²-36a-a+36=0
==>a(a-36)-(a-36)=0
==>(a-36)(a-1)=0
(a=36 and b=37-36=1) or (a=1 and b=37-1=36) but a>b ==>exclude
==>a-b=35

Method 2:

a*b=36
a+b=37 ==>(a+b)²=37²
(a+b)²-4ab=37²-4*36
==>a²+2ab+b²-4ab=1225
==>(a-b)²=35²
==>a-b=35 or a-b=-35 (to exclude since a>b)




7 0
3 years ago
Read 2 more answers
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