Answer:
The answer is 1.178
Step-by-step explanation:
Answer:
<u>The exponential model is: Cost after n years = 400 * (1 + 0.02)ⁿ</u>
Step-by-step explanation:
1. Let's review the information given to us to answer the question correctly:
Cost of the TV set in 1999 = US$ 400
Annual increase rate = 2% = 0.02
2. Write an exponential model to represent this data.
Cost after n years = Cost in 1999 * (1 + r)ⁿ
where r = 0.02 and n = the number of years since 1999
Replacing with the real values for 2020, we have:
Cost after 21 years = 400 * (1 + 0.02)²¹
Cost after 21 years = 400 * 1.5157
Cost after 21 years = $ 606.28
The TV set costs $ 606.28 in 2020.
<u>The exponential model is: Cost after n years = 400 * (1 + 0.02)ⁿ</u>
Answer:
Heyyyyyyyyyyyyyyy what do you need help in?
So first you need to expand 9(k-2/3) where you would multiple 9 by everything inside the brackets. 9 x k = 9k and 9 x -2/3 = -6 so it'd become
0=9k-6+33 then add together 6 and 33
0=9k+39 then moves k to the other side
-9k=39 and then divide both sides by -9
k= -39/9 which you could simplify to -13/3
k=-13/3
Answer:
484 miles a day
Step-by-step explanation:
1,942 - 490 = 1,452
1,452 ÷ 3 = 484 miles