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kikieet
23.03.2021 •
Mathematics
Please help find me find x
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Ответ:
I uploaded the answer to a file hosting. Here's link:
tinyurl.com/wpazsebu
Ответ:
Step-by-step explanation:
Use the equation 2,000 = 16,000(1-r)^t to solve for t;
2000 = 16000(1-0.35)^t
Divide both sides by 16000
2000/16000 = 0.65^t
0.125 =0.65^t
Introduce logarithm on both sides;
ln 0.125 = t ln 0.65
Divide both sides by ln 0.65;
(ln 0.125) / (ln 0.65) = t
-2.07944/ -0.4308 = t
4.827 = t
t= 5 (as a whole number)
Therefore, the car is about 5 years old.