EugeneLil EugeneLil
  • 03-08-2016
  • Mathematics
contestada

Find the 113th term in the sequence
-10.5, -6.6, -2.7, 1.2, ...

A)-447.3 B) 426.3 C)430.2 D)-1172.1

Respuesta :

dalendrk
dalendrk dalendrk
  • 09-08-2016
-10.5; -6.6; -2.7; 1.2; ...

It's an arythmetic sequence:

[tex]a_1=-10.5;\ d=-6.6-(-10.5)=3.9\\\\a_n=a_1+(n-1)d\\\\a_n=-10.5+(n-1)\cdot3.9=-10.5+3.9n-3.9=3.9n-14.4\\\\a_{113}=3.9\cdot113-14.4=440.7-14.4=426.3\\\\Answer:\boxed{a_{113}=426.3}\to\fbox{B)}[/tex]
Answer Link

Otras preguntas

3x-50 (7x) find the value of x
Determine if the rates of $24 for 6 hours of and $36 for 8 hours of work are equivalent. Explain your reasoning.
Fill in the missing words. naturalselection foundereffect geographicallyisolated species evolution The ancestral finch founded a new population on one of the
If it took Mark 45 minutes to get to work and 35 minutes to get home, how long did he spend travelling to and from work?
Colony started by Puritan separatists in 1620. The land grant had been for land located in Virginia, but they landed much farther north in what is now Massachus
Can someone help me plzzz
what is the mane idea to this passage Milton Hershey died in 1945 he gave his money to the town of Hershey so is Factory in schools could continue after his dea
Helppp Plssssss Asap!!<br /><br />Thanks
What were the main causes of migration in the late eighteenth and early nineteenth centuries ?
The procedure for making homemade lemonade is quite easy. First, combine one cup of sugar with one cup of water. To make a simple syrup, heat the mixture until