smithalaira640 smithalaira640

25-09-2020
Mathematics

contestada

Evaluate (5n)^2 + (2n-3m)^2 for m=-3 and n=-2.

A) 269

B) 189

C) 125

D) 46

Please solve

Respuesta :

winnerofferly winnerofferly

25-09-2020

(5n)^2 + (2n-3m)^2 = (5*(-2))^2 + (2*(-2)-3*(-3))^2

= (-10)^2 + (-4+9)^2

= 100 + (5)^2

= 100 + 25

= 125

(C) 125

Answer Link

misshambone2004 misshambone2004

25-09-2020

I got 125 ( answer c)

Answer Link

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