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nevsk [136]
3 years ago
5

The formula for any geometric sequence is an = a1 · rn - 1 , where a n represents the value of the n th term, a1 represents the

value of the first term, r represents the common ratio, and n represents the term number. What is the formula for the sequence -3, -6, -12, -24, ...?
Mathematics
1 answer:
const2013 [10]3 years ago
3 0

Answer:

  an = -3·2^(n-1)

Step-by-step explanation:

The first term is a1 = -3.

The common ratio is r = -6/-3 = 2.

The given formula tells you the formula for this sequence is ...

  an = -3·2^(n-1)

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sineoko [7]

11.

Given:

y=x^2

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Substitute x=3 in the derivative, we get

\frac{dy}{dx}=2\times\times3=6

Hence the slope is 3.

12.

Given:

y=x^2+4

Differentiate with respect to x, we get

\frac{dy}{dx}=2x+0

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Substitute x=0 in the derivative, we get

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Hence the slope is 0.

4 0
1 year ago
Find the remainder when 4 3 − 3 2 + 2 − 4 is divided by + 2​
USPshnik [31]

Answer:

4.5

Step-by-step explanation:

43-32+2-4= 9

9/2= 4.5

4 0
3 years ago
What is the equation in point slope form of the line that is parallel to the given line and passes through the point (4,1)
Kobotan [32]
The slope will be the same, so we know the equation will be y=-2x+b. But there is a different b.

For x=4, y will be 1 because the point (4,1) is given.

So 1=-2*4 + b => b = 9

So the equation of our parallel line is y=-2x+9

If we subtract 1 from both sides, we get y-1 = -2x + 8
Then factor out -2 on the right hand side: y-1 = -2(x - 4)

That's answer A!
6 0
3 years ago
The distance from my home to my school is 4 miles. If I can walk at an average rate of 3 miles per hour, how many minutes should
alekssr [168]

Answer:

80 minutes

Step-by-step explanation:

* means multiply

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Elena-2011 [213]

Answer:

36

Step-by-step explanation:

5 0
3 years ago
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