There is rotational symmetry if there is a center around the object that is turned or rotated a certain amount of degrees and the shape isn't changed.
Answer:
D. The standard deviation is known and n > 30.
Step-by-step explanation:
- Your sample size is greater than 30.
- Data points should be away from each other.
- Your data should be commonly categorized.
- Your data should be randomly picked from a population. Each item should have an equal chance of being selected.
- The sample sizes should be equal.
Answer:
128
Step-by-step explanation:
8^2√2^2
64√2^2 rewrite √2^2 as 2
64*2
=128
Answer:
Step-by-step explanation:
Let x = hours worked on Saturday
Then x + 8 = total hours on Friday and Saturday
22 = x + 8
x = 13
Kendrick is working hours on Saturday.
