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

Saúl estudia para el examen, pero no tiene tiempo. estudiarías estudiara estudiaría estudiaras
Clark Kent and Lois Lane were laying on a blanket, enjoying a relaxing picnic when Clark noticed a giant asteroid approaching Earth. Clark calculates the angle
Use the quadratic formula to solve the equation. -X^2+7x=8
How does using microbes and other bio-life forms help to remove contaminants from soil and groundwater? A) It changes the chemical structure in reused contamina
URGENT!What propaganda techniques are used? ____ name calling ____ bandwagon____ glittering generalities ____ lesser of two evils____ pinpointing the enemy
A flagpole is 16 meters tall and its shadow is 30 meters long. A nearby antenna is 24 meters tall. How long is the antenna's shadow? Write your answer as a whol
please help asap i will mark brainliest
Please help me with the correct answer
PLEASE HURRY Write 14% as a decimal. 7.14 7.14 0.14 0.14 1.4 1.4 750
Which inequality is equivalent to -6x>30