Starygamergirl13
Starygamergirl13 Starygamergirl13
  • 14-01-2019
  • Mathematics
contestada

PLEASE HELP! WILL MARK BRAINLIEST!

PLEASE HELP WILL MARK BRAINLIEST class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 14-01-2019

Answer:

b. 75

Step-by-step explanation:

a(n) = a1 + d(n-1)

a(n) = 8.5 + 3.5(n - 1)

a(20) =  8.5 + 3.5(20 - 1)

a(20) =  8.5 + 3.5(19)

a(20) = 8.5  + 66.5

a(20) = 75

Answer Link
Аноним Аноним
  • 14-01-2019

Answer:

75.

Step-by-step explanation:

The nth term = a1 + d(n  -1)

Therefore the 20th term = 8.5 + 3.5(20 - 1)

= 8.5 + 3.5 * 19

=  75

Answer Link

Otras preguntas

Expanded form for 9,084
Name six processes that are often involved in scientific inquiry?
Some Progressive Era reformers became particularly concerned with the extent to which alcohol was abused after seeing the effects that alcoholism had. These Pro
A recipe calls for 1 3/4 cups of flour. If the recipe is tripled , how much flour is needed.
an inactive student wants to become more physically active but does not think he has the time. What is the most effective thing he can do to start making physic
how to find the unit price of a six pack for 2.99
How many people will 5 pitchers serve if 1/8 pitchers served one person?
What does it mean for a product of factors to be expressed using exponents
What is the gcf of 36 &90
what is a vivid verb for cry passionately