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klemol [59]
2 years ago
14

The recursive formula for a geometric sequence is an = 2an – 1 with an initial value of a1 = 1/8. What is the explicit formula f

or the sequence?
Mathematics
1 answer:
IrinaK [193]2 years ago
6 0

Answer:

Answer:The explicit rule for this sequence:

Step-by-step explanation:

Where  = n'th term in a sequence

The value 'r' is geometric mean is given as:

r = common ratio

The explicit rule for this sequence:

mark brainlest plz

Step-by-step explanation:

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A certain virus is dying off at a rate of 18% per hour. Initially there were
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Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find  how much of the  strain would still be alive after 48 hours

Formula : N(t)=N_0(1-r)^t

N_0=Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the  strain would still be alive after 48 hours=40000(1-0.18)^{48}=2.91 \sim 3

Hence 3 strain would still alive after 48 hours

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3 years ago
The slant height is used to find the volume of a square pyramid. true or false
alexandr1967 [171]
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2 years ago
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ELEN [110]
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