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3 years ago

Which integer(s) make the statement true? |x| = 5

Mathematics

1 answer:

Bogdan [553]3 years ago

8 0

B A or C. i believe

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2 years ago

Nine times the sum of a number and 26 is at most -25

kobusy [5.1K]

Answer:

x ≤ -259/9

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2 years ago

An automobile manufacturer claims that its jeep has a 53.9 miles/gallon (MPG) rating. An independent testing firm has been contr

Advocard [28]

Answer:

Value of the test statistic, $z_{test} = - 1.17$

Step-by-step explanation:

Null hypothesis, $H_{0}: \mu = 53.9$

Alternative hypothesis, $H_{a} : \mu \neq 53.9$

Sample mean, $\bar{X} = 53.7$

Sample size, n = 110

Standard deviation, $\sigma = 1.8$

Significance level, $\alpha = 0.02$

The value of the test statistics is given by the formula:

$z_{test} = \frac{\bar{X} - \mu}{\frac{\sigma}{\sqrt{n} } } \\z_{test} = \frac{53.7 - 53.9}{\frac{1.8}{\sqrt{110} } } \\z_{test} = - 1.17$

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2 years ago

Translate the word phrase into a math expression. PLEASE HELP!

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What are the answer choices
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2 years ago