Answer:
v¹= -15, v²= -1
Step-by-step explanation:
there's 2 solutions to this
Im assuming it has the same amount of air pressure so it wold take roughly double the time. So I would say 44 minutes.
Answer:
3. 18 + 18 + 7 + 7 = 50
4. 120 degrees
Step-by-step explanation:
The correct answer is the second option: plus or minus square root of 20
Hope this helped :)
Answer:
x=21/23
Step-by-step explanation:
Solve for x:
3x+5y=21−20x+5y
Add 20x to both sides:
3x+5y+20x=−20x+5y+21+20x
23x+5y=5y+21
Subtract 5y to both sides:
23x+5y+−5y=5y+21+−5y
23x=21
Divide both sides by 23:
x=21/23
