carlosandersonouob3s carlosandersonouob3s
  • 01-10-2018
  • Mathematics
contestada

The first term of an arithmetic sequence is -3 and the fifteenth term is 53 what is the common difference of the sequence

Respuesta :

ikarus ikarus
  • 06-10-2018

Solution

The 1st term = -3

15th term = 53

15th term = a + d(n-1)

53 = -3 + d(15- 1)                       [Here n = 15)

53 + 3 = d(14)

14d = 56

d = 4

The common difference is 4.

Answer Link

Otras preguntas

in the number 3,333 the first 3 is in the thousands place its value is.
what is the relationship in the 2,s in 75,222
graph the function f(x)=(x+1)(x-2)
Rings on the scales of some fish show the age of the fish. (1 point)transitive intransitive 2. The electric eel throws a charge of 600 volts. (1 point)transitiv
Plessy v. Ferguson was one of the most important legal cases in American history. What impact did the Supreme Court's decision have on race relations in the U.S
What did the English Bill of Rights accomplish? A. It protected debtors from going to prison for owing money. B. It gave Parliament the right to choose kings
Why did Jem cry when there was cement in the tree hole
jamie wrote 4.4 - 0.33 = 1.1 . Is his answer resonable? Why or why not?
10.75 convert into fraction
Which sentence does not contain any errors in comma usage? a. Otters live in cold waters eat mostly fish and float on their backs. b. Otters live in cold wate