Seudónimo Seudónimo
  • 02-01-2015
  • Mathematics
contestada

Find the 22nd term of the arithmetic sequence with a1 = -6 and a common difference of d=3

Respuesta :

naǫ
naǫ naǫ
  • 02-01-2015
[tex]a_n=a_1+d(n-1) \\ a_1=-6 \\ d=3 \\ a_n=-6+3(n-1)=-6+3n-3=3n-9[/tex]

The nth term of the sequence is 3n-9.
Now replace n with 22.

[tex]a_{22}=3 \times22-9=66-9=57[/tex]

57 is the 22nd term of this sequence.
Answer Link

Otras preguntas

A small blue goat is tethered to the outside of a large square brown barn with 100 foot sides and all doors closed. the tether is 250 feet long and attaches the
What were three weaknesses of non european regions that allowed European powers to controll or colonize them
The average mass of a carbon atom is 12.011. assuming you were able to pick up only one carbon unit, the chances that you would randomly get one with a mass of
What is the answer to this problem (X+3)(x-1)
Izzie thinks of a number it has a: 2 in ones place 5 in the tens place 1 in the hundreds place 6 in the thousand place 4 in the hundred thousand place what is I
Line WX and line YZ intersect at point V. If angle WVY = 4a + 58 and angle XVY = 2b - 18, find the values of a and b so that line WX is perpendicular to line YZ
Each week she swims a total of 5000 meters. How many kilometers does she swim each week ?
Please help idk this
which statement best represent the conflict in this passage
Which of these is an aggregator? 1. a browser plugin 2.a widget 3. an RSS reader 4. a utility