Answer:
x = 2
Step-by-step explanation:
5(x + 1) = 4x + 7
5x + 5 = 4x + 7
x + 5 = 7
x = 2
So we can use the following digits: 4,5,6,7,8,9
and we need three numbers with 8 digits each. Here are some examples:
1)
45 678 999 (you can also write 45,678,999 for easier reading)
2) 44 456 789 (you can also write 44,456,789 for easier reading)
3)45 678 456 (or 45,678,456)
Answer:
The engine should be turned off at t = 1
Step-by-step explanation:
The detailed and step by step calculation is shown in the attachment below
Answer:
7
Step-by-step explanation:
Step-by-step explanation:
Forced vital capacity: the maximum amount of air you can forcibly exhale from your lungs after fully inhaling. It is about 80 percent of total capacity, or 4.8 liters, because some air remains in your lungs after you exhale