Question

genter help
VN= 4X+9A para X=4/5 e A=1/2​

Answer 1

Resposta:

VN = 7,7

Explicação passo-a-passo:

$4x+9A\\\\4(\frac{4}{5})+9(\frac{1}{2})\\\\\frac{16}{5} + \frac{9}{2}\\\\\frac{32+45}{10} \\\\\frac{77}{10}\\\\7,7$