Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
n = 1200
x = 32% of 1200
So,
We need to find 95% confidence interval.
so, z = 1.96
So, margin of error would be
So, Interval would be
Hence, Option 'c' is correct.
5≤x≤9 it can also be reversed as 9≥x≥5 which is the same thing
Answer:
x = 3/7
x = 0.43
Step-by-step explanation:
Make x the subject
x > ×7 > + 4 > -4 = 3
3 > + 4 > -4 > ÷ 7 = x
The correct answer is option A. Erica is correct in saying that the two lines are not necessarily the same and we should also look at the y-intercepts before determining how many solutions there were. <span>Two lines with equal slopes could be the same line, but only if they have the same y-intercept.</span>
Answer:
point k
Step-by-step explanation:
the square root of nine is 3 and add a -
-3