noriega1270
noriega1270 noriega1270
  • 02-09-2018
  • Mathematics
contestada

Q # 14. help me please to resolve

Q 14 help me please to resolve class=

Respuesta :

jasondaykem
jasondaykem jasondaykem
  • 02-09-2018

A(n) =2+9(n-1)= 2 + 9n - 9= 9n -7

A(n-1)= 2+9[(n-1)-1]= 2 + 9(n-2)= 2+ 9n - 18= 9n -16

A(n)- A(n-1)= (9n-7)-(9n-16) = -7+16=9

A(n)= A(n-1) +9 is the answer

Answer Link

Otras preguntas

Use the quadratic formula to solve for the roots of the following equation. x2 - 4x + 13 = 0
Shaded area is 40 pi cm squared. Find r
The population (in millions) of a certain country can be approximated by the function; P(x)=100•1.02^x where x is the number of years after 2000. which of the
In which survey was a parameter reported? Select two answers. (25 POINTS PLEASE HELP) A. “Of the 100 teenagers surveyed from Jill’s middle school, 2 out of 3 of
2. The ratio of radii of two cylinders is 1:2 and heights are in the ratio 2:3. Find the ratio of their volumes.
The probabilities of landing on 1, on 2, on 3, on 4, on 5 or on 6 when rolling a biased dice are shown in the table below. The biased dice is rolled 300 times.
Example: How do we prove that a quadrilateral ABCD is a parallelogram given the vertices A(-3,3), B(2,5), C (5,2) and D(0,0)? prove both pairs of opposite sides
John (whose line of sight is g ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he
what is 3-2x=5x+4-4x
3: Keith purchases a cell phone plan, which includes a cell phone and cell phone service. He makes a deposit of $100 for the cell phone and then pays $45 per mo