Question

Se a= ½ e b= ¼ determine o valor de 5b-a²

Answer 1

5b - a^2. 5 ( 1/ 4 ) - ( 1/ 2 )^2 = 5/ 4 - 1/ 4 = 4/ 4 = 1- RESPOSTA. Bons estudos, Lorena.

Answer 2

A=1/2 B=1/4
X=5b-a²
X=5.1/4-(1/2)²
X=5/4-1/4
X=4/4
X=1 

Resposta  1