1. angles 2 and 5 are supplementary, reason : it's given
2. 3 and 2 are congruent reason: they are vertical
3. 3 and 5 are supplementary reason : substitution prop. (i think so)
4. I don't know this one but are their any options?
The answer Is 3.482 × 10^9
38 yard piece for each student and there are 16 students:
38*16=608
608 yards needed for your class
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:
39% as a ratio would be 39:100. Since percents are over of a hundred it would be 39:100 or 39/100.