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If x= 2 and y=1, what is the value of the expression 3(y-1) + 2r?

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Sagot :

asm24

Answer:

[tex]3(1 - 1) + \sqrt{ {2}^{2} + {1}^{1} } ) \\ or \: \ 0 + \sqrt{5} [/tex]

=√5, where r=√(x^2 +y^2)

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