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kaheart [24]
3 years ago
13

Please help me out :)

Mathematics
2 answers:
alex41 [277]3 years ago
4 0
The answer is A. 1023
Ainat [17]3 years ago
3 0
2^0+2^1+....+2^9= 2^10-1= 1024-1=1023
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Step-by-step explanation:

Solve for x over the real numbers:

8 x^2 - 2 x - 15 = 0

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x = (2 ± sqrt((-2)^2 - 4×8 (-15)))/(2×8) = (2 ± sqrt(4 + 480))/16 = (2 ± sqrt(484))/16:

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Evaluate (2 + 22)/16.

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Evaluate (2 - 22)/16.

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