Answer:
24 :))))))))))))))
Step-by-step explanation:
2/3 of 48 is 32, so 3/4 of 32 is 24.
Answer:
(x,y)=(0,0)
Step-by-step explanation:
Simplify -5x+3y=2x
2y=2x
multiply both sides -7x+3y=0
-x+y=0
eliminiate one vaiable
Answer:
50 times.
Step-by-step explanation:
Since the two coins are fair, each has a 1/2 chance of landing on heads. If both of them land on heads, that possibility would be 1/4 (1/2 * 1/2)
Because you are running the experiment 200 times, multiply 200 by 1/4:
200/4 = 50 times.
Hope this helps!
Answer:
- This is a biased sampling method for obtaining customer opinions because those who take the time to write an online review are likely to do so because they are upset with the service they received.
- The direction of the bias is likely to overestimate the proportion of customers who have a negative opinion on the service.
Step-by-step explanation:
1) There are groups which are not represented in the survey like those who don't use web. And also those who take the time to write an online review are likely to do so because they are upset with the service they received.
2) Those who had negative experience are more likely to write a review than those who had not.
Answer:
60
Step-by-step explanation:
17-20=3. 60times3 equals 180. So 60