foodaddicte3e foodaddicte3e
  • 10-06-2021
  • 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?



4

Respuesta :

ayimobuobi
ayimobuobi ayimobuobi
  • 10-06-2021
The answer is 4. So d=4.. a=-3 and a+14d=53 where a is -3 so substitute a into the second eqn so -3+14d=53 then find for d so...14d=56 so d=4
Answer Link

Otras preguntas

HELP ME PLS!!!!!!!!!!!!!!!!!!!!!!!!!
Tony had $z. He lost $3. a) Write an algebraic expression for the amount he has left.
pls help mee!! find the area of the composite shapes ​
Convert 64 quarts to gallons
What is the value of c?
What are the positives and negatives of owning a dog
Which graph correctly solves the system of equations below? y = x2 + 3x + 4 y = x2 + 2x + 1 (1 point) Select one: a. two quadratic graphs opening up. They inter
In the given figure, ARAM ~ APQR, AM = 18 cm, QP = 12 cm and RM = 24 cm, find the measure of PR.. Ans: 16 cm =​
if ms purple gets 81 apples, and a rat eat 51 of them, how many are left? (the rat must have been hungry)
Please help me solve this ! Which figure can be formed from the net?