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Gre4nikov [31]
3 years ago
10

Find the explicit formula for the geometric sequence. Then find a8.

Mathematics
2 answers:
steposvetlana [31]3 years ago
6 0

Answer:

The answer is c. an = 4 ⋅ 2n – 1; 512

zzz [600]3 years ago
6 0
This answer is C. Hope this helps
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Find the value of x. write your answer in simplest radical form. x 9 7
Anastasy [175]

Answer:

Answer B

Step-by-step explanation:

You have to use the pythagorean theorm which states that a^2+b^2=c^2

So, 7^2+x^2=9^2

49+x^2=81 subtract 49 from both sides of the equation

x^2=32

x=sqrt(32)

sqrt(32)=sqrt(16)*sqrt(2)

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3 years ago
How many ways are there to choose a committee of 7 people from a group of 10 people?
Aneli [31]
I think it's 720
Have a GREAT day!
7 0
4 years ago
Could someone please help? Only answer if correct.
Andrei [34K]

Answer:

z^11

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Dylan and Lucy each had a repair made on their cars. The initial cost of each repair is $1,000.
kumpel [21]
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7 0
3 years ago
Human population numbers are in constant flux. Suppose a country has a population of 20 million people at the start of one year
Sati [7]
  • Birth=+600000
  • Death=-350000
  • Immigrants=+100000
  • emigrants=-5000

. Population Change:-

\\ \sf\longmapsto 600000-350000+100000-5000=+350000

Population:-

\\ \sf\longmapsto 2000000+350000=2350000

7 0
3 years ago
Read 2 more answers
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