Answer:
B. 6
Step-by-step explanation:
Sub in 2 for x:
4² - (2+8)
4² - (10)
16-10
6
2 people times 4 bagels is 8 bagels. 2 people plus 3 of their friends is 5 people. 8 bagels shared by 5 people is 1.6 bagels per person. Hope I helped!!! :-)
Answer:
x= ( 2y+17) /3
Step-by-step explanation:
x= ( 2y+17) /3
Answer:
Step-by-step explanation:
-3x-42 > 3
Add 43 to both sides
-3x>45
Divide both sides by -3
x>-15
Answer:
Margin of error in 95% confidence level is 9,05 IQ points.
Step-by-step explanation:
margin of error (ME) around the mean using the formula
ME=
where
- z is the corresponding statistic in the given confidence level(z-score or t-score)
- s is the standard deviation of the sample(or of the population if it is known)
Population standard deviation of IQ scores for all children with this particular type of learning disorder is assumed 15.
If the empirical rule is used, 95% confidence interval is 2 standard deviations around the mean. If we use the formula:
ME=
≈ 9,05