Number 1 is 48,
Number 2 is 9.375
Number 3 is 1.6
Number 4 is 6
Answer:
39
Step-by-step explanation:
1. Subtract the numbers ... 3(3×3+4)
2. Multiply the numbers ... 3(9+4)
3. Add the numbers ... 3×13
4. Multiply the numbers ... 39
Answer:
Smallest: XY
Second smallest: YZ
Biggest: XZ
Step-by-step explanation:
First, just observe the triangle,
see which one is the smallest,
if you just look, it would be XY
Next, the second smallest looks like YZ
Lastly, the last side is the largest if you just look at it
Answer: 12
Step-by-step explanation:
The formula to find the sample size is given by:-
, where
is the population standard deviation,
is the z-value for the
confidence interval and E is the margin of error .
As per given , we have
Population standard deviation : 
z-value for 95% confidence interval : 
Margin of error : E= 3
Then, the required minimum sample :-

Hence, the required minimum sample size = 12
Answer: (2,9)
Step-by-step explanation:
You found it out already but yeah