Answer: choice D
Step-by-step explanation:
An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.
in this exampke the constant(d) is -3
Literally a question similar to the one before.
c=m*325, so if m=7:
-> c = 7 * 325
=> c = 2275 chairs
The mean is the sum of all 12 numbers divided by 12, which is 578.25 ~ 578.3. The variance is calculated by subtracting each score from the mean, squaring, and adding all such squares. Then divide by the number of terms (12) to get 68572.35. Take the square root to get the standard deviation, which is 261.9. So the correct answer is B.
It’s the first one - 3x^2 - 3x+8 - 9/x+1
