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notka56 [123]
2 years ago
14

Which is the simplified expression for questions 1 2 3 4? (Look at photo)

Mathematics
1 answer:
Anit [1.1K]2 years ago
6 0
1. 9.5x + 1.5
2. 9x + 36
3. 4.8x + 2
4. 22x + 2
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Question 5<br> Find the sum of the following geometric series.<br> 8+1.6+0.32+0.064 + ...
boyakko [2]

good morning,

Answer:

10×(1-0.2ⁿ)

Step-by-step explanation:

1.6/8=0.2

0.32/1.6=0.2

0.064/0.32=0.2

let S represent the sum of n term then S=8×[(1-0.2ⁿ)/(1-0.2)] = 10×(1-0.2ⁿ).

:)

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3 years ago
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nydimaria [60]
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