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4 years ago

NEED HELP I CAN'T DO THIS ALONE!!!!! algebra

Mathematics

1 answer:

seraphim [82]4 years ago

5 0

it does not let me install the page i am so sorry I would help you but this thing is to old sorry again :(

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Which statement describes the sequence defined by a Subscript n Baseline = StartFraction n cubed minus n Over n squared + 5 n En

Dominik [7]

Answer:

The answer is " The sequence converges to infinity. "

Step-by-step explanation:

Given:

$\to a_n=\frac{n^3-n}{n^2+5n}$

$\lim_{n \to \infty} a_n= \lim_{n \to \infty} \frac{n^3-n}{n^2+5n}$

$= \lim_{n \to \infty} \frac{n(n^2-1)}{n(n+5)}\\\\= \lim_{n \to \infty} \frac{(n^2-1)}{(n+5)}\\\\= \lim_{n \to \infty} \frac{n(n-\frac{1}{n})}{n(1+\frac{5}{n})}\\\\= \lim_{n \to \infty} \frac{(n-\frac{1}{n})}{(1+\frac{5}{n})}\\\\$

Denominator $= \lim_{n \to \infty} 1+\frac{5}{n}=1+\lim_{n\to \infty} \frac{5}{n}=1+0=1$

Numerator $=\lim_{n\to \infty}n-\frac{1}{n}=\infty$

$\therefore\\\\\lim_{n\to \infty}a_n=\frac{\infty}{1} =\infty$

7 0

3 years ago

Read 2 more answers

How I get this done?

algol [13]

Don’t know maybe uses online resource form a teacher?

4 0

3 years ago

Read 2 more answers

5x – 7y= 16 2 + 7y = 8. what is x?

valentina_108 [34]

Answer:

x=45/6

Step-by-step explanation:

2+7y=8. 7y=8-2. 7y=6

7=7. y=6\7

insert the value of y in the second equation. 5x-7y=16

5x-7(6/7)=16

5x-49\6=16

collect the liketerms together

5x=16+49/6

5x=145/6(divide both sides by 5)

x=29/6

x=45/6

further.

 confirm if the 2 in the second equation has an X coz the questions are normally set with both equations having both values x and y

6 0

3 years ago

After years of maintaining a steady population of 32,000, the population of a town begins to grow exponentially. After 1 year an

elixir [45]

Answer:

The equation used to predict the number of people living in the town after x years is y = 32,000 (1.08)x

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

Initial population: 32,000

Growth per year: 8%

Years: x

So, to obtain "y" (the number of people living in the town after x years), we have to multiply the initial population by 1+ 0.08 (the growth rate is 8%/100=0.08 and the original value) and the number of years (x).

Mathematically speaking:

y = 32,000 (1+0.08) x

y= 32,000 (1.08) x

The equation used to predict the number of people living in the town after x years is y = 32,000 (1.08)x

6 0

3 years ago

Read 2 more answers

Help please, will mark brainliest!

inysia [295]

Answer:

A is your answer

Step-by-step explanation: B is wrong because if it was -6 then it would equal -216