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777dan777 [17]
3 years ago
13

What is the 8th term of this geometric sequence 6,48,384,3072

Mathematics
1 answer:
ELEN [110]3 years ago
3 0
Common ratio can be found by dividing the 2nd term by the first
r = 48/6
r = 8

an = a1 * r^(n-1)
n = term to find = 8
a1 = first number = 6
r = common ratio = 8
now we sub
a(8) = 6 * 8^(8-1)
a(8) = 6 * 8^7
a(8) = 6 * 2097152
a(8) = 12582912 <==
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9/17 15/34 6/17 9/34 geometric sequence?
zysi [14]
In a geometric sequence each number after the first is found by multiplying the previous number by a fixed number called the common ratio.

In an arithmetic sequence, each term is equal to the previous term plus or minus a constant called the common difference.

In your problem we have a sequence of numbers that appears to be decreasing in value, but on the surface it doesn't appear to be by any constant number... but if you look closely, the denominator 34 is exactly twice the other denominator 17. This would lead me to look at a common denominator to see if anything takes shape...

9/17 = 18/34
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Now we see that each number is the previous number minus 3/34, so we have a common difference of 3/34.

This would match the definition of an arithmetic sequence and NOT a geometric sequence.
6 0
3 years ago
Where were Roman numerals made
LenaWriter [7]
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3 years ago
Read 2 more answers
-8 - (-15) + 30 equals​
Phantasy [73]

The answer to your problem is 11

8 0
3 years ago
What is the true solution to In 20+ In 5= 2 In x?<br> x=5. A<br> X= 10 b<br> X=50 c<br> X= 100 d
lions [1.4K]

ln(20) + ln(5) = 2 ln(<em>x</em>)

ln(20×5) = ln(<em>x</em> ²)

ln(100) = ln(<em>x</em> ²)

100 = <em>x</em> ²

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4 0
3 years ago
10 % of what number is 29?
Anestetic [448]

Answer:

290

Step-by-step explanation:

To solve this problem you multiply 29 by 100 and then divide the total by 10 as follows:

(29 x 100) / 10

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Note that the answer provided is rounded to the nearest two decimals if necessary.

3 0
3 years ago
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