English, asked by jaspalgill321, 7 months ago

all of these questions answered plese

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Answered by shashank3554
1
27) 5^2 = 25
28) 5x-3 = 0 => 5x = 3 => x = 3/5
29) x2 - y2/25 = (x)^2 - (y/5)^2 = (x - y/5)(x + y/5)
30) 2x + 3y = k ; x=2 ; y=1
2(2) + 3(1) = k => k = 4+3 => k=7
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