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Juliette [100K]
2 years ago
14

Find the formula for the geometric sequence 4, -8, 16, -32

Mathematics
1 answer:
Goshia [24]2 years ago
8 0

Answer:

bn=4*(-2)^(n-1) where n is a number of searched term

Step-by-step explanation:

b1=4   b2=-8

q=b2/b1=-8/4=-2

bn=b1*q^(n-1)

bn=4*(-2)^(n-1) where n is a number of searched term

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Step-by-step explanation:

<em>This is y intercept form</em>

First you find the slope

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Which of the decimal value given below is the largest?<br><br> 0.52<br> 0.052<br> 0.0052
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51% of the animals at an animal shelter are dogs. About what fraction of the animals at the shelter are dogs?
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3 0
3 years ago
Brielle and Joshua are running a half marathon race, which is 13.1 miles long. It takes Brielle 10 minutes to run 1.25 miles and
CaHeK987 [17]

Answer: Brielle will run the marathon faster.

Brielle = 104.8 minutes  

Joshua = 157.2 minutes

Step-by-step explanation:

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Brielle = 1.25 /10 = 0.125 miles per minute

Joshua = 1.5/18 = 0.083333 =1/12 miles per minute

Since 0.125 (Brielle) > 1/12 (Joshua)

Brielle will run the marathon faster.

To calculate the time that takes each one to run the entire race (13.1 miles)

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Feel free to ask for more if needed or if you did not understand something.

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