determine whether the sequence is geometric. if so, find the common ratio. -3125, 625, -125, 25,....
1 answer:
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Answer:
C
Step-by-step explanation:
The sequence is arithmetic with n th term
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 1 and d = 3, thus
= 1 + 3(n - 1) = 1 + 3n - 3 = 3n - 2 → C
Answer:
60 milligrams
Step-by-step explanation:
just cross multiply! percentages are just fractions of 100. so you can say that
multiple 75 by x and 45 by 100 and you get
4500=75x
divide both sides by 75 and you get 60