MercedezSteinbrecher
MercedezSteinbrecher MercedezSteinbrecher
  • 23-07-2015
  • Mathematics
contestada

The first term in a sequence is x.each subsequent term is 3 less than twice the preceeding term.what is fifth term of the sequence

Respuesta :

naǫ
naǫ naǫ
  • 24-07-2015
[tex] \left \{ {{a_1=x} \atop {a_{n}=2a_{n-1}-3}} \right. \\ \\ a_2=2a_1-3=2x-3 \\ a_3=2a_2-3=2(2x-3)-3=4x-6-3=4x-9 \\ a_4=2a_3-3=2(4x-9)-3=8x-18-3=8x-21 \\ a_5=2a_4-3=2(8x-21)-3=16x-42-3=16x-45 \\ \\ \boxed{a_5=16x-45}[/tex]
Answer Link

Otras preguntas

Photography is an important aspect of documenting a crime scene. Group of answer choices True False
When 'x' and 'y' are in direct proportion , then the relation between 'x' and 'y' is __________
according to the stimulation, what is the probability that at least one of the next five dogs he sees is a German Shepard ?
( Hockey 's my favourite (sport​
Find the smallest value of p such that 525 X p is a perfect square.
x divided by 4 subtracted by -10 equals 7 what is x (c/4 -10=7)
what is the least count of screw gauge? (a) 0.01 cm (b) 0.001 cm (c) 0.1 cm (d) 1 mm
What is 432,553,602 in word form. ​
Write the chemical symbols for three different atoms or atomic cations with 11 electrons.
What was “coerced religion” as described by Roger Williams? How did civil and church authorities create it in Massachusetts Bay?