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Andrej [43]
3 years ago
15

Please help me for the brainliest answer

Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

n^2+3\\(n+1)^2

Step-by-step explanation:

n^2+3\\1^2+3=4\\2^2+3=7\\3^2+3=12

(n+1)^2\\(1+1)^2=4\\(2+1)^2=9\\(3+1)^2=16

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Luda [366]
The answer is b because 95 confidence is interval for the mean lifespan
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3 years ago
a car purchased for $34,000 is expected to lose value, or depreciate, at a rate of 6% per year.using x for years and y for the v
Vika [28.1K]

Answer:

y = 34000(1-0.06) ^ t

After 7.40 years it will be worth less than 21500

Step-by-step explanation:

This problem is solved using a compound interest function.

This function has the following formula:

y = P(1-n) ^ t

Where:

P is the initial price = $ 34,000

n is the depreciation rate = 0.06

t is the elapsed time

The equation that models this situation is:

y = 34000(1-0.06) ^ t

Now we want to know after how many years the car is worth less than $ 21500.

Then we do y = $ 21,500. and we clear t.

21500 = 34000(1-0.06) ^ t\\\\log(21500/34000) = tlog(1-0.06)\\\\t = \frac{log(21500/34000)}{log(1-0.06)}\\\\t = 7.40\ years.

After 7.40 years it will be worth less than 21500

3 0
3 years ago
2) WILL MARK BRAINLIEST + 10 POINTS! :)<br><br><br><br><br><br> HAPPY NEW YEAR!~!!!!!!!!!!!
Annette [7]
We can write the sequence out more fully, as we can see each time it is divided by 6.
60, 60/6, 60/6^2, 60/6^3, and so on.
Therefore we know the sequence can be written as u_n= \frac{60}{6^{n-1}}
You can think of this as a graph, i.e. y=60/6^(x-1)
As a result, as x tends to infinity, y tends to 0 (since it effectively becomes 60/infinity). Therefore the sequence converges toward zero.
5 0
3 years ago
Read 2 more answers
Let f(x)=2x-1 and g(x)=x^2 -3. Find (f o g)(-3)
anzhelika [568]
(f o g)(-3) = (f(g(-3))
Because g is on the inside, we carry out g first.

g(x) = x^2 - 3
Substitute -3 in for x.
g(-3) = (-3)^2 - 3 = 9 - 3 = 6
g(-3) = 6

Next, carry out f on the result of g(-3)
f(6) = 2(6) - 1
      = 12 - 1
      = 11
So the answer is 11.

6 0
3 years ago
Find the quotient of<br> 2884 and 14
Firdavs [7]

Answer:

206

Step-by-step explanation:

Quotient is simply the answer to a division problem. 2884 / 14 = 206

7 0
2 years ago
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