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SSSSS [86.1K]
3 years ago
12

Please help me to get brainlest

Mathematics
2 answers:
arlik [135]3 years ago
7 0
The answer is 5 hope this helps
Inessa [10]3 years ago
3 0
I think the answer is 5! :)
You might be interested in
What is the volume of a pyramid that is 15mm , 18mm , 21mm in cubic millimeters
Ugo [173]

Answer:

V=1890mm

Step-by-step explanation:

You must use its formula: which is

V=(Length x height x width) / 3

V=(15x18x21)/3

V=5670/3

V=1890mm

3 0
3 years ago
Read 2 more answers
Use any of the methods to determine whether the series converges or diverges. Give reasons for your answer.
Aleks [24]

Answer:

It means \sum_{n=1}^\inf} = \frac{7n^2-4n+3}{12+2n^6} also converges.

Step-by-step explanation:

The actual Series is::

\sum_{n=1}^\inf} = \frac{7n^2-4n+3}{12+2n^6}

The method we are going to use is comparison method:

According to comparison method, we have:

\sum_{n=1}^{inf}a_n\ \ \ \ \ \ \ \ \sum_{n=1}^{inf}b_n

If series one converges, the second converges and if second diverges series, one diverges

Now Simplify the given series:

Taking"n^2"common from numerator and "n^6"from denominator.

=\frac{n^2[7-\frac{4}{n}+\frac{3}{n^2}]}{n^6[\frac{12}{n^6}+2]} \\\\=\frac{[7-\frac{4}{n}+\frac{3}{n^2}]}{n^4[\frac{12}{n^6}+2]}

\sum_{n=1}^{inf}a_n=\sum_{n=1}^{inf}\frac{[7-\frac{4}{n}+\frac{3}{n^2}]}{[\frac{12}{n^6}+2]}\ \ \ \ \ \ \ \ \sum_{n=1}^{inf}b_n=\sum_{n=1}^{inf} \frac{1}{n^4}

Now:

\sum_{n=1}^{inf}a_n=\sum_{n=1}^{inf}\frac{[7-\frac{4}{n}+\frac{3}{n^2}]}{[\frac{12}{n^6}+2]}\\ \\\lim_{n \to \infty} a_n = \lim_{n \to \infty}  \frac{[7-\frac{4}{n}+\frac{3}{n^2}]}{[\frac{12}{n^6}+2]}\\=\frac{7-\frac{4}{inf}+\frac{3}{inf}}{\frac{12}{inf}+2}\\\\=\frac{7}{2}

So a_n is finite, so it converges.

Similarly b_n converges according to p-test.

P-test:

General form:

\sum_{n=1}^{inf}\frac{1}{n^p}

if p>1 then series converges. In oue case we have:

\sum_{n=1}^{inf}b_n=\frac{1}{n^4}

p=4 >1, so b_n also converges.

According to comparison test if both series converges, the final series also converges.

It means \sum_{n=1}^\inf} = \frac{7n^2-4n+3}{12+2n^6} also converges.

5 0
3 years ago
A bag cost 4 times as much as a dress if the bag cost $276 how much will Toni speed on the bag and 3 such dresses
timama [110]
276 divides by 4 = 69
So 3x69 = 207 + 276 = $483
6 0
3 years ago
A vet's office offers boarding for cats and dogs. boarding a cat cost$20 per night and a dog cost $25 per night if the vet's off
MAVERICK [17]

Answer:

b. x+y=18

20x+25y=400

Step-by-step explanation:

7 0
3 years ago
Help me with this asap plz
icang [17]

Answer:

30°

Step-by-step explanation:

RUT= RST ----since they both stand on common arc TR

Thus, RST = 30°

8 0
2 years ago
Read 2 more answers
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