Cre que la respuesta es b por qué si calculas las preguntas te sale ese resultado
Answer: $8 chicken $5 duck
Step-by-step explanation:
50x+30y=550
x=8
y=5
400+150=550
Given:
The arithmetic sequence is −15, −33, −51, −69.
To find:
The nth term of the arithmetic sequence.
Solution:
We have,
−15, −33, −51, −69
Here,
First term: a = -15
Common difference is



Now, nth term of an arithmetic sequence is

Substitute a=-15 and d=-18.



Therefore, the nth term of the given arithmetic sequence is
.
Answer:
8
Step-by-step explanation:
1 2 3 4 5 6 7 8 quick math
180/10=18 is one but the easitest way is with tens or hundreds