A is the correct answer. Both diagonals would be the same length as it is a rectangle and when you substitute 7 for X in the equations, the answer is 26 for both.
Answer:
92% Confidence interval: (0.7078,0.7722)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 500
Number of travelers who favor tight security, x = 370
92% Confidence interval:
Putting the values, we get:
Answer:
20/9
Step-by-step explanation:
I can't really explain this, but you should you the desmos scientific calculator, just look it up. For other fractions too, you can turn into decimals, and then divide from there which is easier for me.
Hope this helps!
Answer:↓↓↓Under
Step-by-step explanation:
N.1:
x=4y-5
Substitue 2(4y-5)+3y=23
8y-10+3y=23
11y-10=23
11y=33
y=3
Substitue x=4(3)-5=12-5=7; x=7
N.2:
x+2y=6, x=6-2y
Substitute -3(6-2y)-y=7
-18+6y-y=7
-18+5y=7
5y=25
y=5
-2 can be changed to -2/1
-2/1 × 3/7
= -6/7
Hope this helps :)
