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BlackZzzverrR [31]
3 years ago
5

-x^2+2x-1 factor and please show work

Mathematics
1 answer:
torisob [31]3 years ago
4 0

x = 1

-x^{2} +2x-1=0\\-(x-1)^{2} \\x=1

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Use the standard normal table to find P(z ≥ 1. 4). Round to the nearest percent. %.
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The probability for the z-score is greater than or equal to 1.4 is 0.08076 or 8.076 %.

<h3>What is a z-score?</h3>

The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.

The probability for the z-score is greater than or equal to 1.4 is given as

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More about the z-score link is given below.

brainly.com/question/13299273

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