The first one :)
apparently brainly needs 20+ characters so ejsorjxlhelehIwbekzheknf
Answer:
x=1, y=4
Step-by-step explanation:
x+y=5 - (1)
y=3x + 1 (2)
Sub (2) into (1)
x + (3x +1)=5
4x=5-1
x=4 ÷4
=1
Sub x=1 into (2)
y=3(1)+1
= 4
Answer: The system will succeed when the first alarm rings or when the first one fails, but the second one rings. The probability of this is 0.98
The probability of system failure is 1-(probability of success)= 1-0.98= 0.02
Step-by-step explanation:
The answer to this would be 21.
61 divided by 3 = 21
21 + 21 = 42 + 21 + 63.
The answer is y = 21
Answer:
Maybe try 3
Step-by-step explanation:
