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IRINA_888 [86]
2 years ago
8

Please help asap thanks so much!

Mathematics
1 answer:
sesenic [268]2 years ago
7 0

Answer:

see the attachment photo!

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Help me with this question <br>I will mark brainlist <br>no web link <br><br>Solve :-<br>9n²-64=0​
Archy [21]
Factorize

(3n + 8) (3n - 8) = 0
3n + 8 = 0 and 3n - 8 = 0

Solve both for n

3n + 8 = 0
3n = -8
n = -8/3


3n - 8 = 0
3n = 8
n = 8/3

Therefore n = -8/3 and n = 8/3
6 0
2 years ago
Find they area of a regular hexagon with a side length of 10 inches
Vitek1552 [10]
A≈259.81in²

I hope this helped!!
3 0
3 years ago
Mimi has 16 more bouncy balls than leah.
Lynna [10]
I would think it would be r
4 0
3 years ago
Read 2 more answers
How do you do this question?
likoan [24]

Answer:

a) -7/9

b) 16 / (n² + 15n + 56)

c) 1

Step-by-step explanation:

When n = 1, there is only one term in the series, so a₁ = s₁.

a₁ = (1 − 8) / (1 + 8)

a₁ = -7/9

The sum of the first n terms is equal to the sum of the first n−1 terms plus the nth term.

sₙ = sₙ₋₁ + aₙ

(n − 8) / (n + 8) = (n − 1 − 8) / (n − 1 + 8) + aₙ

(n − 8) / (n + 8) = (n − 9) / (n + 7) + aₙ

aₙ = (n − 8) / (n + 8) − (n − 9) / (n + 7)

If you wish, you can simplify by finding the common denominator.

aₙ = [(n − 8) (n + 7) − (n − 9) (n + 8)] / [(n + 8) (n + 7)]

aₙ = [n² − n − 56 − (n² − n − 72)] / (n² + 15n + 56)

aₙ = 16 / (n² + 15n + 56)

The infinite sum is:

∑₁°° aₙ = lim(n→∞) sₙ

∑₁°° aₙ = lim(n→∞) (n − 8) / (n + 8)

∑₁°° aₙ = 1

8 0
3 years ago
Can anyone help me with this question please.
julsineya [31]
It’s d, because thats the formula !! mark me brainliest so I can help more people please !!
4 0
3 years ago
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