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inn [45]
1 year ago
11

Find the "explicit" formula, f(n) of this sequence: 2, 5, 12.5, 31.25,...

Mathematics
2 answers:
vovikov84 [41]1 year ago
8 0
F(n) of the sequence is 2.5
andriy [413]1 year ago
6 0
F(n) of the sequence is: 2.5
2 x 2.5= 5
5 x 2.5= 12.5
Etc.
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PLEASE HELP ASAP!!!!!!
Katena32 [7]
1. - Since a cube is all the same lengths on all sides you would want to find the area of one of the sides. You would do this by multiplying 3.8 by 3.8.
3.8*3.8=14.44
Since you have six faces on a cube you want to multiply this by 6.
14.44*6=86.64
So your answer for 1. is 86.64 in^2 of glass

3. Same thing as number one. Find the face of one side:
1 1/3*1 1/3 is about 1.7777
Multiply this by the six faces. 
1.7777*6 is about 10.66666
So your answer for 3. is about 10.666 (repeating) in^2

4. For this one, you want to follow the surface area formula for a cylinder. Which is - A=2πrh+2πr^2
When you put all your numbers in it would look like this: 
2*3.14*2*22+2*3.14*2^2
Once you do that equation you will get 301.44
So that should be your answer 301.44 cm^2

Hope this helps!
8 0
3 years ago
Find an equivalent 100/25
Varvara68 [4.7K]

Answer:

100/25 = 4

so an equivalent would be 12/3

6 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIST TO CORRECT ANSWER
faust18 [17]

Answer:

C) (9, 4)

Step-by-step explanation:

4 < 5☑

4 < 3[9] → 4 < 27☑

Therefore, this solution is genuine.

I am joyous to assist you anytime.

4 0
3 years ago
PLZ HELP QUICKLY! I don't need an explanation just the answer
Phantasy [73]

Answer:

\cos(28)  =  \frac{14}{x}

x =  \frac{14}{ \cos(28) }  = 15.85

x= 15.9

option D

3 0
3 years ago
I will give brainliest. Please help fast! (Solve for number 5)
Ne4ueva [31]

Answer:

the area of the parallelogram is 120 units

8 0
2 years ago
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