189=10x+99
x=amount of weeks
x=9 weeks
Answer:
(1, 9/2) or (1, 4.5)
Step-by-step explanation:
To find the midpoint, take the x1 and x2 values and divide it by 2, same for the y values.
(4-2)/2 and (6 + 3)/2
1 and 4.5
(1, 4.5)
Two events are independent if whether an event occurs or not doesn't affect the possibility of whether the other event occurs or not.
<span>"A bag contains red marbles and blue marbles. A red marble is selected followed by a blue marble, at random, without replacement": Since the selection is without replacement, the events are dependent.
"</span><span>A coin is flipped twice": Independent
</span>
<span>"A bag contains nickels and dimes. A nickel is selected followed by a dime, at random, with replacement.": Since the selection is with replacement, the events are independent.
</span><span>"A spinner contains 4 equal sectors. Each sector is labeled A, B, C, and D. The spinner is spun twice.": Independent</span>
Answer : y
Explanation: hope this helps