2 years ago

Is 9999 in the sequence n²+2n?

Mathematics

1 answer:

Tamiku [17]2 years ago

8 0

Answer:

Step-by-step explanation:

To find out, all we need to do is plug in 9999 into the sequence.

$9999 = n^2 + 2n$

By completing the square, we get $(n+1)^2 = 1001$ . 1001 is not a perfect square, which means that 9999 is not in the sequence.

hope this helped! :)

You might be interested in

Graph the following inequality. Then click to show the correct graph. x < -1

docker41 [41]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

x < -1

The solution is the interval ----> (-∞,-1)

All real numbers less than -1

On a number line the solution is the shaded area at the left of x=-1 (open circle)

using a graphing tool

see the attached figure

8 0

3 years ago

Write with fractional exponents. 6^5 square root x^2 y

sertanlavr [38]

Answer:

6xy^2/5 what im assuming is right

Step-by-step explanation:

4 0

2 years ago

Acute isosceles<br> obtuse isosceles<br> acute scalene<br> equiangular equilateral

zhenek [66]

Answer:

obtuse isosceles

Step-by-step explanation:

isosceles angles

7 0

3 years ago

Find the difference 10 - ( – 25 )

sergey [27]

There is no difference they are both negative numbers or we could say 25 is higher number then 10 but it negative

5 0

2 years ago

Read 2 more answers

A given field mouse population satisfies the differential equation dp dt = 0.5p âˆ’ 410 where p is the number of mice and t is t

AfilCa [17]

Answer:

as shown in the attached file.

Step-by-step explanation:

The detailed, step by step explanation and application of integral with appropriate substitution to get the expression for the time of extinction is as shown in the attachment.

4 0

3 years ago

Is 9999 in the sequence n²+2n?​

Is 9999 in the sequence n²+2n?