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bixtya [17]
2 years ago
14

Simplify 5x + 4x + 1.

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
6 0
Answer: 9x + 1

Explanation: combine like terms, and since 5x and 4x has the same variable, they can be combined.
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Based on a poll conducted by the Centers for Disease Control, 862 of 1013 randomly selected adults said that they always wear se
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The confidence interval is  0.028, 0.872

<h3>Given </h3>

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The 95% confidence interval for the proportion of adults who always wear seat belts.

<h3>What is confidence interval?</h3>

A Confidence Interval is defined as a range of values we are sure our true value lies within it.

<h3>What is 95% confidence interval?</h3>

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= 862/1013 = 0.85

At a 95% confidence interval ,the critical value is z_{0.025}  = 1.96

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= 0.85 +/- 0.022

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brainly.com/question/8961482

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