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Gnom [1K]
3 years ago
6

Find an explicit rule for the nth term of the arithmetic sequence. -13, -7, -1, 5, ...

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

Answer:

-13 + 5*n-1 I think

Step-by-step explanation:

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4 0
4 years ago
Every given minute an ameba is equally likely to do one of 3 things: (1) Die (2) Divide into two (3) Stay the same. If the ameba
nadya68 [22]

Answer:

1

Step-by-step explanation:

we have the probability of dyng = 1.3

we have probability of ying =

p0 = p1 = p2 = p3 = 1/3

d = dying

d=\frac{1}{3} (1+d+d2)

we cross multiply from here

3d = 1+d+d2

3d-d = 1+d2

2d = 1 + d2

(d-1)2 = 0

2d - 2 = 0

2d = 2

divide through by 2

d = 1

therefore there is a a confirmed probability that the ameba from a single cell is eventually going to die out.

8 0
3 years ago
Find each percent of change. Round answers to the nearest tenth of a percent is necessary. 76 is decreased to 55
Allushta [10]
76 -55= 21
76 is decreased by 21.

We initially start with 76, so now we have to divide 21 by 76:
21/76* 100%= 27.63%

Rounded to the nearest tenth, the final answer is 27.6%~

7 0
3 years ago
Kane is trading for a marathon he starts running 3 miles during every training season each week plans to increase the distance o
Contact [7]

Answer:

(11+w)/4

Step-by-step explanation:

Let the first term be 3 miles

If he plans to increase the distance of his run by 1/4 mile, then

common difference = 1/4

To get the distance Kane runs in a training session after w weeks , we will use the nth term of an AP

Tw = a+(w-1)d

Tw = 3 + (w-1)(1/4)

Tw = 3 + 1/4 w - 1/4

Tw = 11/4 + 1/4 w

Tw = (11+w)/4

Hence the distance Kane runs in a training session after w weeks is (11+w)/4 weeks

4 0
3 years ago
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