Answer:
x = 10.5
Step-by-step explanation:
Work in the screenshots
I used a online calculator
symbolab. com
Answer: 3
3,000,000,000
Step-by-step explanation:
Billions have 9 zeros
Um... it'll take each pipe 80 mins, bcz if together they take that long, then to find the pipes time separately, you just multiply it by two to show it doing the work the other pipe did as well. Is that what you wanted??
Answer:
I think it's 30
Step-by-step explanation:
I took it as reflection of light..or ig it has same idea
Answer:
c
Step-by-step explanation: