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allsm [11]
3 years ago
8

Consider the geometric sequence 4, 40, 400, 4000, ...

Mathematics
1 answer:
Rom4ik [11]3 years ago
7 0

Answer:

a(n) = 4*10(n - 1)

Step-by-step explanation:

Each term of the given sequence is 10 times greater than the previous term.

The first term of this sequence is 4.

Thus, the explicit formula desired is:

a(n) = 4*10(n - 1).

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rewona [7]

Answer:

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Step-by-step explanation:

First, we need to find the slope. We can do this by using the formula:

1) y₂-y₁/x₂-x₁

2) 9-5/5-3

3) 4/2

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Next, we have to first plug the slope (2) and one of the coordinate pairs (I chose (3,5)) into point-slope format.

5) y-y₁=m(x-x₁)

6) y-5 =4(x-3)

7) Now we just simplify this equation to make it slope intercept form (y=mx+b)

8) y-5= 4x-12

9) y=4x-7

And there you have it :)

6 0
3 years ago
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Alex

Answer:

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3 0
3 years ago
To solve this system using the addition method, you would need to multiply the first equation by what number in order for the y'
yanalaym [24]
You multiply 3x - y = 3.
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Step-by-step explanation:

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