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skelet666 [1.2K]
3 years ago
15

KNOWLEDGE CHECK: ALEKS

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

Answer:

Step-by-step explanation:

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2 years ago
2^x-1=128<br><br><br> show work pls! thank u :)
hichkok12 [17]

Hello from MrBillDoesMath!

Answer:

Take you pick below!   (either x 8 or x = 7.01, approx, depending how the question is interpreted)




Discussion:

Interpretation 1

If the question is   2^(x -1)  = 128, then as 2^7 = 128,

x-1 = 7 so x = 8



Interpretation 2

If the question is (2^x -1) = 128, then..

2^x  = 128 + 1 = 129  =>

log(2^x) = log(129) =>

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Regards,  

MrB

4 0
3 years ago
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