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bagirrra123 [75]
3 years ago
11

Hi I need help with problems 14-16

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
6 0
16 is $32
idk the others.... sorry.
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OK I need help the answer is c but I didn't understand the teacher explanation pls help me
serg [7]
9 - 6 + 4 - 8/3 ..,
geometric series a(n) = a1r^(n-1)

r = a(n+1)/a(n)
-6/9 = -2/3
4/-6 = -2/3
-8/3/4 = -2/3
so r = -2/3 and a1 = 9

Sn = a1(1-r^n)/(1-r) = 9(1-(-2/3)^n)/(1-(-2/3))
n is infinite Sn = 9/(5/3) = 27/5
7 0
3 years ago
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Phoenix [80]

Answer:

100% equals to 1 because 75% = 0.75 so then just add 25% = 0.25 so 0.25+0.75=1

Step-by-step explanation:

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3 years ago
What is the correct answer for 8(12+15)+4?
sdas [7]

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5 0
3 years ago
This model stands for 128.
Airida [17]
If this is just addition, then it would be 18, other than that, I dont know. Or I am dumb.
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Serhud [2]
I would say 7,000,000,000,000,000,000,00,00,,0000,00
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