Math, asked by kavitharavi1821978, 1 month ago

Tell me the correct answers for brainest

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Answered by cbse5005

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Answer:

28.a. Mean of x = 25

28.b. Mean of f = 12.5

29.a.Rational numbers between -2 to 2= -1, 0, 1

29.b.

7x + 8y +9z

-3x + 0y +4z On subtraction the symbols become the opposite.

______________

4x + 8y +13z

______________

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