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Mathematics

2 answers:

Lilit [14]3 years ago

8 0

A: ∠3 and ∠2
E: Since ∠3 and ∠2 lie on the same line and on a straight line, they must be supplementary as they must add up to 180° to satisfy the condition of a straight line.

goldenfox [79]3 years ago

3 0

5 and 3. both angles equal 180 degrees.

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Phoenix [80]

Answer:

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Step-by-step explanation:

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$\text{New standard deviation = }\sqrt{\frac{\sum (\bar{x}-x_i)^2}{n}}\\\\\bar{x}\text{ is the mean of data after adding 450 and}\\x_i\text{ are the price values of the sample data}$