check the picture below.
on the first case, in green, if we lay the 4 side down flat on top of the 9 side, the lenght of "x" will be 9 - 4, or 5, however, we can't do that, because if we do, we end up with a flat-line and lose the triangle, so "x" can't be smaller than 5, it has to be larger than 5.
on the second case, if we lay the 4 side the other way flat on the ground, "x" will be of length 4 + 9, or 13, however, again, we can't do that, because if we do we'd lose our triangle again, so "x" can't be larger than 13, it has to be smaller than 13.
Answer:
c
Step-by-step explanation:
I'm not completely sure but I think the answer is:
corporate jet 16.5 mph
smaller plane 33 mph
Good luck
Answer:
Option 1.
The solution set is: {n|n is a real number, n≥3}
Step-by-step explanation:
1. You must read carefully the information given in the problem: "One less than twice a number" indicates that you must write a number 
multiplied by 2 and subtract 1 from this term, as following:
2. "is not less than five" indicates that the result must be equal or greater than 5. Then, you obtain the following expression:
3. Now, you can solve for . Then, you obtain:
4. Then, the solution set is: {n|n is a real number, n≥3}.
5. The correct plot on the number line must show a circle on 3 (You must fill in the circle if the sign is 
or
) with a line from that circle to the right.
5. Therefore, the answer is the first option.
Answer:
[ 0.4964, 0.5836 ]
Step-by-step explanation:
Data provided in the question:
Total sample size = 500
person voting for smith = 270
thus,
P( person voting for smith ), p = 
= 0.54
Confidence level = 95%
now,
standard error, SE = 
or
SE = 
or
SE = 0.0223
now,
Confidence interval = p ± ( z × SE )
here,
z value for 95% confidence interval is 1.96
Confidence interval = [ 0.54 - ( 1.96 × 0.0223 ), 0.54 + ( 1.96 × 0.0223 ) ]
= [ 0.54 - 0.0436 , 0.54 + 0.0436 ]
= [ 0.4964, 0.5836 ]
