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inessss [21]
4 years ago
12

Please and thx lol lll

Mathematics
2 answers:
JulsSmile [24]4 years ago
8 0
The answer would be 16
Olegator [25]4 years ago
4 0

Answer:

16

Step-by-step explanation:

took me 5m

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Answer:150/3.5

Step-by-step explanation:

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3 years ago
A tank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is full, the tank can be drained b
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Which geometric series converges?
kvv77 [185]

Answer:

Option (1)

Step-by-step explanation:

In a geometric series,

\sum_{n=0}^{\infty}ar^n=a+ar^1+ar^2+....

Here r = \frac{a_n}{a_{n-1}}

For |r| < 1, series will converge.

For |r| > 1, series will diverge.

Option (1)

Given geometric series is,

\frac{1}{2}+\frac{1}{4}+ \frac{1}{8}+ \frac{1}{16}.......

Common ratio = \frac{\frac{1}{4}}{\frac{1}{2} }

                        = \frac{1}{2}

Since, \frac{1}{2}

Series will converge.

Option (2)

\frac{1}{2}+1+2+4+......

r = \frac{1}{\frac{1}{2}}=2

Since, 2 > 1,

Series will diverge.

Option (3)

\frac{1}{2}+ \frac{3}{2}+ \frac{9}{2}+ \frac{27}{2}+......

Common ratio 'r' = \frac{\frac{3}{2} }{\frac{1}{2} }=3

Since, 3 > 1,

Series will diverge.

Option (4)

\frac{1}{2}+3+18+108+.....

Common ratio 'r' = \frac{3}{\frac{1}{2}}=6

Since, 6 > 1

Series will diverge.

Therefore, Option (1) will be the correct option.

6 0
3 years ago
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nlexa [21]

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Step-by-step explanation:

my answer needs to be atleast 20 words long so..........590÷59=10

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3 years ago
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