Respuesta :

sam4040

Answer:

[tex]Sum=95[/tex]

Step-by-step explanation:

[tex]S=\sum_{n=4}^8 (2n+7)\\\\Expand\ the\ Series\\\\S=(2\times 4+7)+(2\times 5+7)+(2\times 6+7)+(2\times 7+7)+(2\times 8+7)\\\\S=15+17+19+21+23\\\\S=95[/tex]