Insira 5 meios aritméticos entre -5 e 13
Soluções para a tarefa
Respondido por
5
Bom dia Amam!
Solução!
![P.A=\{-5 ,a2,a3,a4,a5,a6,13\}\\\\\\
a1=5\\\\
an=13\\\\\\
n=7\\\\\
r=?](https://tex.z-dn.net/?f=P.A%3D%5C%7B-5+%2Ca2%2Ca3%2Ca4%2Ca5%2Ca6%2C13%5C%7D%5C%5C%5C%5C%5C%5C%0Aa1%3D5%5C%5C%5C%5C%0Aan%3D13%5C%5C%5C%5C%5C%5C%0An%3D7%5C%5C%5C%5C%5C%0Ar%3D%3F%0A "P.A=\{-5 ,a2,a3,a4,a5,a6,13\}\\\\\\
a1=5\\\\
an=13\\\\\\
n=7\\\\\
r=?")
![an=a1+(n-1).r\\\\\\
13=-5+(7-1).r\\\\\\\
13=-5+6r\\\\\
13+5=+6r\\\\\
18=6r\\\\\
r= \dfrac{18}{6}\\\\\\
\boxed{r=3}](https://tex.z-dn.net/?f=an%3Da1%2B%28n-1%29.r%5C%5C%5C%5C%5C%5C%0A13%3D-5%2B%287-1%29.r%5C%5C%5C%5C%5C%5C%5C%0A13%3D-5%2B6r%5C%5C%5C%5C%5C%0A13%2B5%3D%2B6r%5C%5C%5C%5C%5C%0A18%3D6r%5C%5C%5C%5C%5C%0Ar%3D+%5Cdfrac%7B18%7D%7B6%7D%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7Br%3D3%7D+ "an=a1+(n-1).r\\\\\\
13=-5+(7-1).r\\\\\\\
13=-5+6r\\\\\
13+5=+6r\\\\\
18=6r\\\\\
r= \dfrac{18}{6}\\\\\\
\boxed{r=3}")
![Fazendo! \\\\\\\\\ a1=-5\\\\
a2=a1+r=-5+3=-2\\\\\
a3=a2+r=-2+3=1\\\\\
a4=a3+r=1+3=4\\\\\
a5=a4+r=4+3=7\\\\\
a6=a5+r=7+3=10\\\\\
a7=a6+r=10+3=13\\\\\\\
\boxed{Resposta:~~P.A=\{-5,-2,1,4,7,10,13\}}](https://tex.z-dn.net/?f=Fazendo%21%C2%A0%5C%5C%5C%5C%5C%5C%5C%5C%5C%C2%A0a1%3D-5%5C%5C%5C%5C%0Aa2%3Da1%2Br%3D-5%2B3%3D-2%5C%5C%5C%5C%5C%0Aa3%3Da2%2Br%3D-2%2B3%3D1%5C%5C%5C%5C%5C%0Aa4%3Da3%2Br%3D1%2B3%3D4%5C%5C%5C%5C%5C%0Aa5%3Da4%2Br%3D4%2B3%3D7%5C%5C%5C%5C%5C%0Aa6%3Da5%2Br%3D7%2B3%3D10%5C%5C%5C%5C%5C%0Aa7%3Da6%2Br%3D10%2B3%3D13%5C%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7BResposta%3A%7E%7EP.A%3D%5C%7B-5%2C-2%2C1%2C4%2C7%2C10%2C13%5C%7D%7D%0A "Fazendo! \\\\\\\\\ a1=-5\\\\
a2=a1+r=-5+3=-2\\\\\
a3=a2+r=-2+3=1\\\\\
a4=a3+r=1+3=4\\\\\
a5=a4+r=4+3=7\\\\\
a6=a5+r=7+3=10\\\\\
a7=a6+r=10+3=13\\\\\\\
\boxed{Resposta:~~P.A=\{-5,-2,1,4,7,10,13\}}")
Bom dia!
Bons estudos!
Solução!
Bom dia!
Bons estudos!
Perguntas interessantes