If a1 = -17 and d=4 , determine a20 of the sequence
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
Answer:
a sub 20 = 59
Step-by-step explanation:
solution: a sub n= a sub 1+d(n-1)
given:
a sub 1= -17
d= 4
n= 20
a sub 20= ?
evaluate;
a sub 20 = -17+4(20-1)
a sub 20 = -17+4(19)
a sub 20 = -17+76
a sub 20 = 59
extra note: you just have to know what are the given and memorize the formula to get the right answer!!! JUST PRACTICE YOU CAN DO IT!!