Find the simplest form of the general term for the sequence 11, 15, 19, 23, .

Mathematics

2 answers:

lbvjy [14]3 years ago

8 0

Answer:

4n+7

Step-by-step explanation:

Im on odyssey and this is the right answer.

sveta [45]3 years ago

5 0

The general term of an arithmetic sequence is
an = a1 +(n-1)d
Your sequence has first term a1 = 11 and common difference d = 4. Then the general term is
an = 11 + (n-1)*4

The simplest form of the general term is
an = 7 + 4n

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Area of sector................................

sveticcg [70]

Answer:

A ≈ 25.1 cm²

Step-by-step explanation:

the area (A) of the sector is calculated as

A = area of circle × fraction of circle

= πr² × $\frac{\frac{4\pi }{9} }{2\pi }$

= π × 6² × $\frac{\frac{4\pi }{9} }{2\pi }$

= 36π × $\frac{\frac{4\pi }{9} }{2\pi }$

= 18 × $\frac{4\pi }{9}$

= 2 × 4π

= 8π

≈ 25.1 cm² ( to the nearest tenth )

3 0

2 years ago

I need help with this question!

Bumek [7]

A)
A polygon is a closed shape so there must be at least three sides. Therefore, the least value that n can be would be three.

b)
n value
3 0
n(n-3)/2
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3(0)/3
0/3
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4 2
n(n-3)/2
4(4-3)/2
4(1)/2
4/2
2

5 5
n(n-3)/2
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10/2
5

6 0

3 years ago

Only smart bros know the answer

dimulka [17.4K]

Answer:

33.47

Step-by-step explanation:

i rounded it the real answer is 33.46666667∞

7 0

3 years ago

Please help as soon as possible

erik [133]