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babunello [35]
3 years ago
11

Find an explicit formula for the geometric sequence 1/2,-4, 32,-256, .. a(n) =?

Mathematics
1 answer:
Travka [436]3 years ago
7 0
The explicit formula for this arithmetic sequence is A(n)=1/2•(-8)^(n-1)
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If 3.N=1,then N is the
rosijanka [135]
3 * N = 1

The multiplicative inverse is just the reciprocal of the number. The reciprocal is just " flipping " the number. So the reciprocal of 3 (or 3/1) is 1/3. And any time u multiply a number by its multiplicative inverse (reciprocal), the result is 1

3 * 1/3 = 3/3 = 1.....so N is ur multiplicative inverse
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3 years ago
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LenaWriter [7]

Answer:

A= 9 , B= 4 , C= 18

Step-by-step explanation:

if u need a in depth explanation text me in the comments :)

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3 years ago
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3 years ago
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Solve the following please:
Reika [66]

Answer:21

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6 0
2 years ago
PLS HELP!!! No links pls and Ty <3333
umka2103 [35]

Answer:

The area is 176.6

Step-by-step explanation:

The formula for the area of a circle is "πr²"

This means you square the radius, and multiply it by pi.

Our diameter is 15, and the radius is half of the diameter.

15 ÷ 2 = 7.5

Next, we square the radius. (7.5)

Let's fill it into the formula.

π7.5²

After squaring, it's this:

π56.25

In your question, pi is 3.14, so let's replace that.

(3.14)56.25

After multiplying we get 176.625, after we round, we get 176.6

176.6 is the area.

Brainliest please?  

4 0
2 years ago
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