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
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!!
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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!!