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babymother [125]
3 years ago
14

What is the value of x​

Mathematics
2 answers:
taurus [48]3 years ago
6 0

110

180 - 70 = 110

marissa [1.9K]3 years ago
3 0
60+70=130
180-130=50
X = 50 degrees because the value of x is equal to angle QRP (transitive property)
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Answer:

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In a metal fabrication​ process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are n
Leto [7]

Answer:

95% Confidence interval: (14.4537 ,15.1463)

Step-by-step explanation:

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\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 15 and}~\alpha_{0.05} = \pm 2.1314  

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is the required confidence interval for the true mean length of rods.

3 0
3 years ago
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