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Agata [3.3K]
3 years ago
10

A new car is purchased for 18000 dollars. The value of the car depreciates at 7% per year. To the nearest tenth of a year, how l

ong will it be until the value of the car is 8500 dollars?
Mathematics
2 answers:
docker41 [41]3 years ago
8 0

Answer:actually it’s 10.3

Step-by-step explanation:delta math gave me the right answer once I got it wrong

Llana [10]3 years ago
6 0

Answer:

5 weeks

Step-by-step explanation:

because my teacher told me

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Pratap Puri rowed 14 miles down a river in 2 ​hours, but the return trip took him 3 and one half hours. Find the rate Pratap can
SOVA2 [1]

speed of current is 1.5 mi/hr

Answer:

let the rate in still water be x and rate of the current be y.

speed down the river is:

speed=distance/time

speed=14/2=7 mi/h

speed up the river is:

speed=(14)/(3.5)=4 mi/hr

thus total speed downstream and upstream will be:

x+y=7...i

x-y=4.......ii

adding the above equations i and ii we get:

2x=11

x=5.5 mi/hr

thus

y=5-5.5=1.5 mi/r

thus the speed in still waters is 5.5 mi/hr

speed of current is 1.5 mi/hr

7 0
2 years ago
4 and 1/2 divided by 2and 7/10
galben [10]

Answer:

1 2/3 hope this helps and have a wonderful day

6 0
3 years ago
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Need help for 16) and 19) Solve each equation and check. Show all work please
Paladinen [302]

Step-by-step explanation:

You said the other one would be the last haha just kidding I'm glad to help.

16. \frac{k}{2}=(-5)^2

First, get rid of that parenthesis.

\frac{k}{2}=25

Now multiply both sides by 2 so that you can isolate k

2(\frac{k}{2})=25*2

k=50

19. \frac{r}{3}=\frac{121}{11}

This is a pretty easy one. If you didn't know, 121/11 is actually 11 :)

\frac{r}{3}=11

Simply multiply by 3 to isolate r :)

3(\frac{r}{3})=11*3

r=33

4 0
3 years ago
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PLZ ANSWER FAST!!!
Triss [41]

Answer:

First option.

Third option.

Fifth option.

Hope this helps :)

 

5 0
3 years ago
What is the mslope and y-intercept
attashe74 [19]

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the y intercept is where 0= x

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3 years ago
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