magiese9863 magiese9863
  • 01-09-2017
  • Mathematics
contestada

What is the 24th term of the arithmetic sequence where a1 = 8 and a9 = 56 ?

Respuesta :

authenticricket
authenticricket authenticricket
  • 01-09-2017
the formula is Tn = a + (n-1)d for arithmetic sequence
where Tn is the term, a is the first term, n is the no. of term, d is the difference
a = 8
Using a9=56,
56 = 8 + (9-1)d
48 = 8d
d = 6
thus, Tn = 8 + (n-1)6
when n=24, Tn = 8 + (24-1)(6) = 146
Answer Link
nathanielvarol16 nathanielvarol16
  • 23-07-2019

Answer:the answer would be c which is 146

Step-by-step explanation:

Answer Link

Otras preguntas

Men were killed when the ship stopped at the land of the Lotus Eaters. options: True or False
Need help !!!!! In this question im stuck
Which element most helps establish a speakers tone when giving a speech?
Need help with this math. find the Slope of a line That contains the points (5,6) (1, 4).​
Calculate the concentration of sugar in g/L in a solution that contains 40 g of sugar in 100 mL of solution. (There are 1,000mL in 1 L...don't forget to convert
What is the correct order of steps for the students to take?
HELP ASAP PLEASE! which function is graphed? f (x) =3x - 6 f (x) = 6x - 3 f (x) = 6x - 2 f (x) = 2x - 6​
what is a target heart rate
Need help !!!!! ASAP
The expression pent-up means