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vagabundo [1.1K]
3 years ago
14

Which expression is equivalent to 6x + 7 – 12.2 - (32 + 2) - x?

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0
5x-39.2
You get this answer my combining like terms
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A person in a balloon which is 2,000 feet above the airport finds that the angle of depression to a ship out at sea is 21°. Find
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To investigate the relationship between age and preference for two mayoral candidates in an upcoming election, a random sample o
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Answer:

0.15401

Step-by-step explanation:

Given that test statistic = 3.7408

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The test statistic value obtained is the Chisquare (χ²) value, which equals 3.7408

To Obtain the requested Pvalue, we need the degree of freedom, which is :

(Number of columns - 1) * (number of rows - 1)

Number of candidates = 2

Number of levels = 3

Hence,

Degree of freedom = (3 - 1) * (2 - 1) = 2 * 1 = 2

Using the Chisquare Pvalue calculator or distribution table :

χ²;3.7408, 2 = 0.154062

Pvalue = 0.1541

3 0
3 years ago
If sin x = -1/2, and 270° &lt; x &lt; 360°, what is cos(x - 30°)?
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Answer:

x = -30

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Look at the picture

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3 years ago
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