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SVEN [57.7K]
3 years ago
14

Nina's car exponentially depreciates at a rate of 7% per year. If Nina bought the car when it was six year old for $12,000 what

was the original price of the car?
Mathematics
1 answer:
Maksim231197 [3]3 years ago
7 0
<span>$18,547.42, hope it works!

</span>
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I need help can you plz help me
horrorfan [7]

Simplify

10/3

Convert to a mixed fraction

3 1/3

4 0
3 years ago
Simplify the expression
chubhunter [2.5K]

Answer:

  sin(α) -cos(α)

Step-by-step explanation:

\dfrac{2\sin^2{\alpha}-1}{\sin{\alpha}+\cos{\alpha}}=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{(\sin{\alpha}+\cos{\alpha})(\sin{\alpha}-\cos{\alpha})}\\\\=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{\sin^2{\alpha}-\cos^2{\alpha}}=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{\sin^2{\alpha}-(1-\sin^2{\alpha})}\\\\=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{2\sin^2{\alpha}-1}\\\\=\sin{\alpha}-\cos{\alpha}

4 0
3 years ago
4 miles per hour how many feet in 40 minutes<br><br> can you explain how to do it pls
9966 [12]

Answer:

14080 ft

Step-by-step explanation:

You want to convert 4 mph to ft/min and then mult. the result by 40 minutes:

4 mph       5280 ft          1 hr

---------- * --------------- * ------------- = 352 ft/min

     1          1 mile            60 min

Now multiply this rate (speed) by 40 minutes:

352 ft      40 min

---------- * ------------ = 14080 ft (answer)

  min            1

This would be the same as 2 2/3 miles (in 40 min)

3 0
3 years ago
Mary ran 2 miles in about 23 minutes If she continued at the same pace how long will it take her to run 10 miles?
GrogVix [38]
It will take Mary 115 minutes/ 1 hour and 55 minutes to run 10 miles.
8 0
2 years ago
Which value of y completes the proportion?
bagirrra123 [75]

Answer:

c. 3  

yes you are right, good job!!

Step-by-step explanation:

18 divided by what equals 2?

18 / 2 = 9 so 18 / 9 = 2

so 27 / 9 = y which y = 3

check: 9 x 3 = 27

6 0
2 years ago
Read 2 more answers
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