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Anastasy [175]
3 years ago
8

Help on number 12 please?​

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

Answer:

f(n)= 5 · 4

f(n) = 5 \times 4 ^{n - 1}

Step-by-step explanation:

You use the explicit formula for geometric sequence. The five is the firat term and is placed correctly. The 4 is the rate of change, because if you multiply 5 by 4 you get 20 and so on.

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GuDViN [60]

Answer:

51

Step-by-step explanation:

12+39=51

8 0
3 years ago
kyra invested $400 at 3% for 3 years . lishshawn invested $500 at 4% for 2 years calculate who earn the most interest and how mu
eimsori [14]

Answer:

Okay, so a bit of math is involved, along with steps.

Step-by-step explanation:

Kyra invested $400 at 3% for 3 years. meaning 3% of $400 is 12. 400+12=

Year 1: $412

3% of 412=12.23+412=

Year 2: $424.23

3% of 424.23=12.7+423.23=

Year 3: $435.93

Kyra made $35.93 in investments.

Lishsawn invested $500 at 4% for 2 years. Meaning, 4% of $500 is 20. 500+20

Year 1: $520

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Year 2: $540.8

Lishawn made $40.8 dollars in investments. Meaning that Lishawn made $4.87 more dollars

6 0
3 years ago
(6+4)(-12) This is the Distributive Property
serg [7]
The answer is yes, and 108.
5 0
4 years ago
What is m 50<br> 65<br> 140<br> 155
Butoxors [25]

Answer:

65 degrees.

Step-by-step explanation:

Since angle JLG is 115 degrees, andgle JLH must be 65 because the two angles are supplementary, which means they add up to 180 degrees.

8 0
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